Document:

<PAGE>

                                                                    EXHIBIT 10.6

                               WEIGH-TRONIX, LLC

                            SUBSCRIPTION AGREEMENT
                            ----------------------

                                 June 13, 2000

To:  Marconi, Inc.

   Re:  Offering of Exchangeable PIK Preferred Member Interest

Ladies and Gentlemen:

   Subject to the terms and conditions of this Subscription Agreement (this
"Agreement") and in reliance upon the representations and warranties of the
respective parties contained herein:

   (a) The Company agrees to sell to Marconi, Inc., or its designated affiliate
(the "Subscriber"), and the Subscriber irrevocably subscribes for and agrees to
purchase from the Company, a new class of member interest of the Company
designated as the Exchangeable PIK Preferred Member Interest (the "PIK Preferred
Interest") and to thereby become a Member of the Company, in consideration of
the Subscriber's agreement to contribute capital (the "Capital Contribution")
equal to the amount indicated opposite such Subscriber's name on Schedule 1
attached hereto; and

   (b) The Company agrees that the Subscriber shall be admitted as a Member of
the Company, upon the terms and conditions and in consideration of the
Subscriber's agreement to be bound by the terms and provisions of (i) the
Amended and Restated Operating Agreement of the Company, to be dated the date
hereof, the form of which is attached as Annex A hereto and incorporated herein
by reference (the "Operating Agreement"), and (ii) the Amended and Restated
Members Agreement, also to be dated the date hereof, the form of which is
attached as Annex B hereto and incorporated herein by reference (the "Members
Agreement", and together with the Operating Agreement, the "Amended Company
Documents").

   In connection with such subscription, and intending to be legally bound, the
Subscriber and the Company hereby agree with each other as follows:

   1.  Definitions.  Capitalized terms used herein and not otherwise defined
shall have the respective meanings set forth in the Offering Memorandum of the
Company and its subsidiary, SWT Finance B.V. (the "Issuer") dated June 2, 2000,
with respect to the offer and sale of the Issuer's Senior Subordinated Notes Due
2010 (the "Notes"), Certain other terms used in Sections 7(a) and 8 hereof are
as defined in the Indenture.

   2.  Closing.  The purchase and sale of the PIK Preferred Interest will take
place at a closing (the "Closing") at such place as the parties shall mutually
agree.  The Closing shall take place on or prior to June 13, 2000, or at such
other time as the parties shall mutually agree.  At the Closing, each of the
parties hereto shall execute and deliver the Amended Company
<PAGE>

Documents, and thereby become bound to one another with respect to all of the
terms and provisions thereof. Pursuant to the terms of the Operating Agreement,
the PIK Preferred Interest will be issued to and held by the Subscriber as of
the Closing. The Subscriber will make full payment of its Capital Contribution
to the Company at the Closing in such manner as the parties shall mutually
agree.

   3.  Representations and Warranties by the Company and the Issuer.  With full
knowledge that the Subscriber intends to reply upon the representations and
warranties made herein, each of the Company and the Issuer hereby represents and
warrants as follows:

       (a) Organization and Standing.  Each of the Company and the Issuer is a
limited liability company duly organized and validly existing in good standing
under the laws of its respective jurisdiction of organization and has all
requisite power and authority for the ownership and operation of its properties
and for the carrying out of its business as now conducted and as proposed to be
conducted.

       (b) Corporate Action. Each of the Company and the Issuer has all
necessary power and authority and has taken all action required to make such of
this Agreement, the PIK Preferred Interest, the Amended Company Documents and
any other agreements and instruments executed in connection herewith to which it
is a party and therewith the valid and enforceable obligations of the Company or
the Issuer (as the case may be). This Agreement and, upon the execution and
delivery of the Amended Company Documents, the Amended Company Documents each
constitute a legal, valid and binding obligation of the Company enforceable
against the Company and (in case of this Agreement) the Issuer in accordance
with its terms, subject to the effect of bankruptcy, insolvency or similar laws
and subject to the application of general equitable principles. The issuance of
the PIK Preferred Interest is not subject to preemptive or other preferential
rights, or similar statutory or contractual rights, either arising pursuant to
any agreement or instrument to which the Company is a party or which are
otherwise binding upon the Company (including the Amended Company Documents).
The execution, delivery and performance of such of this Agreement and the
Amended Company Documents to which it is a party, the issuance of the PIK
Preferred Interest and the consummation of the transactions contemplated hereby
and thereby will not result in any violation of, or default under, any agreement
or other instrument to which the Company or the Issuer (as the case may be) is a
party or by which it or any of its properties is bound, or any judgment, decree,
statute, order, rule or regulation applicable to the Company or its business or
properties.

       (c) Governmental Approvals.  All authorizations, consents, approvals,
exemptions from or filings or registrations with any court or governmental
department, commission, board, bureau, agency or instrumentality, domestic or
foreign, necessary for or in connection with the offer, issuance, sale,
execution or delivery by each of the Company and the Issuer, or for the
performance by it of its obligations under this Agreement or (in the case of the
Company) the Amended Company Documents, have been made prior to, and are
effective as of, the Closing.

       (d) Litigation.  There is no litigation, governmental proceeding or
investigation pending or threatened against the Company or the Issuer which
questions the validity of this Agreement, or (in the case of the Company) the
PIK Preferred Interest

                                      -2-
<PAGE>

or the Amended Company Documents or (in any case) any action taken or to be
taken pursuant hereto or thereto.

       (e) The Company and the Issuer represents that no Person has or will
have, as a result of any act or omission by the Company and the Issuer, any
right, interest or valid claim against or upon the Subscriber for any
commission, fee or other compensation as a finder or broker, or in any similar
capacity, as a result of dealings with the Company and the Issuer in connection
with the transactions contemplated by this Agreement.

   4.  Subscriber's Representations and Warranties.  With the full knowledge
that the Company and the Board of Managers of the Company (the "Manager") intend
to rely upon the representations and warranties made herein, the Subscriber
hereby represents and warrants to and for the benefit of the Company and the
Manager as follows:

       (a) The Subscriber is an "accredited investor" as that term is defined
in Regulation (S)203.501 under the Securities Act of 1933, as amended (the
"Act").  The Subscriber is capable of evaluating the merits and risks of
purchasing the PIK Preferred Interest.  The Subscriber represents that the
statements made by the Subscriber in the Confidential Investor Questionnaire
completed and signed by him are true and correct in all material respects.

       (b) The Subscriber has been advised that (i) there will be no public
market for the PIK Preferred Interest, (ii) it may not be possible to readily
liquidate an investment in the PIK Preferred Interest, (iii) the PIK Preferred
Interest cannot be resold without either registration under the Act and under
applicable state securities laws, or an opinion of securities counsel that an
exemption is available therefrom and (iv) the Company has no obligation to
register the PIK Preferred Interest under the Act or supply information
necessary to enable the Subscriber to make a sale of the PIK Preferred Interest
under Rule 144 under the Act.

       (c) The Subscriber is purchasing the PIK Preferred Interest for
investment for the Subscriber's own account and not with any present view
towards resale or other distribution of the PIK Preferred Interest.

       (d) The Subscriber is able to bear the economic risk of its investment
in the PIK Preferred Interest and, at the present time, could afford a complete
loss of such investment.  The Subscriber has adequate means of providing for
current needs and personal contingencies and has no need for liquidity in
connection with its investment in the PIK Preferred Interest, and such
investment in the PIK Preferred Interest will not cause the Subscriber's overall
committed investments that are not readily marketable to become excessive.

       (e) The Subscriber represents that no Person has or will have, as a
result of any act or omission by such Subscriber, any right, interest or valid
claim against or upon the Company for any commission, fee or other compensation
as a finder or broker, or in any similar capacity, as a result of dealings with
such Subscriber in connection with the transactions contemplated by this
Agreement.

       (f) The Subscriber understands that no state or governmental authority
has made any finding or determination relating to the fairness of an investment
in the PIK Preferred Interest.

                                      -3-
<PAGE>

       (g) This Agreement, the Amended Company Documents and all other
instruments executed by the Subscriber in connection with the Subscriber's
investment in the Company, (i) have been duly executed and delivered by the
Subscriber, (ii) if the Subscriber is not a natural Person, have been duly
authorized by all necessary action on behalf of the Subscriber, and (iii) are
the legal, valid and binding obligations of the Subscriber, enforceable in
accordance with their terms, subject to the effect of bankruptcy, insolvency or
similar rules and subject to the application of general equitable principles.

       (h) The execution and delivery by the Subscriber of this Agreement,
the Amended Company Documents and all other instruments executed in connection
with its investment in the Company do not, and the performance thereof will not,
(i) contravene any provision of existing law or regulations of any court or
governmental order by which the Subscriber is bound, (ii) conflict with the
charter, by-laws and/or other organization documents of the Subscriber, or (iii)
conflict with, result in any breach of the term of, constitute a default under,
or result in any encumbrance upon any of the properties of the Subscriber
pursuant to, any indenture, mortgage, or other agreement or instrument to which
the Subscriber is a party or by which it is bound.

       (i) No approval, authorization, or other action by or filing with, any
federal, state, municipal, or other governmental commission, board, or agency is
required by the Subscriber in connection with the execution and delivery by the
Subscriber of this Agreement, the Amended Company Documents and all other
instruments executed in connection with the investment in the Company by the
Subscriber, or the consummation of the purchase of the PIK Preferred Interest by
the Subscriber.

   5.  Conditions Precedent to Subscriber's Obligations.  The Subscriber's
obligations to subscribe to the PIK Preferred Interest and to pay its Capital
Contribution at the Closing is subject to the fulfillment, prior to or at the
time of the Closing, of the following conditions:

       (a) The contemporaneous consummation of the Merger, the Offering of the
Notes and the placement of the Senior Credit Facility;

       (b) The execution and delivery by the Company and the requisite
percentage of existing Members of the Company of the Amended Company Documents;

       (c) The representations and warranties of the Company contained in
Section 3 of this Agreement shall be true and correct in all material respects
when made and at the time of the Closing; and

       (d) The Subscriber shall have received its Warrant under the Acquisition
Agreement for five percent (5%) of the Company's fully diluted equity capital as
of June 13, 2000, upon the terms and conditions described in the Warrant
Agreement, Operating Agreement and the Members' Agreement.

   6.  Conditions Precedent to the Company's Obligations.  The obligations of
the Company to issue the PIK Preferred Interest and to admit the Subscriber as a
new Member at the Closing shall be subject to the fulfillment, prior to or at
the time of the Closing, of the following conditions:

                                      -4-
<PAGE>

       (a) The contemporaneous consummation of the Merger, the Offering of the
Notes and the placement of the Senior Credit Facility;

       (b) The execution and delivery by the Subscriber and the requisite
percentage of existing Members of the Company of the Amended Company Documents;
and

       (c) The representations and warranties made by the Subscriber contained
in Section 4 of this Agreement shall be true and correct in all material
respects when made and at the time of the Closing.

   7.  Covenants of the Company.  The Company hereby covenants and agrees as
follows, intending that the Subscriber shall be the beneficiary of such
covenants and agreements for so long as the PIK Preferred Interest remains
outstanding, and that such covenants and agreements shall be in addition to the
rights and privileges of the Subscriber under the Amended Documents, as the
holder of the PIK Preferred Interest:

       (a) General Covenants.  The Company hereby agrees that the following
covenants and agreements which appear in Article IV and V of the Indenture are
also hereby made for the benefit of the Subscriber and its permitted successors
and assigns:

   (i)    Section 4.3 - Limitation on Restricted Payments;
   (ii)   Section 4.4 - Limitation on Indebtedness;
   (iii)  Section 4.5 - Corporate Existence;
   (iv)   Section 4.6 - Payment of Taxes and Other Claims;
   (v)    Section 4.7 - Maintenance of Properties and Insurance;
   (vi)   Section 4.9 - Compliance with Laws;
   (vii)  Section 4.12 - Limitation on Transactions with Affiliates;
   (viii) Section 4.13 - Limitation on Dividend and Other Payment
          Restrictions Affecting Restricted Subsidiaries;
   (ix)   Section 4.14 - Limitation on Liens;
   (x)    Section 4.16 - Limitation on Asset Sales (excepting clauses
          (c) through (h) thereof);
   (xi)   Section 4.18 - Limitation on Layering;
   (xii)  Section 4.19 - Limitation on the Issuance and Sale of
          Capital Stock of Restricted Subsidiaries;
   (xiii) Section 4.22 - Business Activities;
   (xiv)  Section 4.24 - Sale and Leaseback Transaction; and
   (xv)   Section 5.1 - Merger, Consolidation or Sale of Assets.

The above-referenced covenants shall be deemed to be incorporated herein by
reference in full, as if the text thereof was fully set forth herein.
Capitalized terms used in such covenants shall have the respective meanings set
forth in the Indenture.

       (b) Financial Reporting Requirements.  The Company shall furnish to the
Subscriber all of the following information, all of which is also required to be
delivered under the Senior Credit Facility:

                                      -5-
<PAGE>

               (A) as soon as available, but in any event within 90 days after
the end of each fiscal year of the Company, a copy of the audited consolidated
balance sheet of the Company and its consolidated Subsidiaries as at the end of
such year and the related audited consolidated statements of income and cash
flows for such year, setting forth in each case in comparative form the figures
as of the end of and for the previous year, reported on without qualification or
exception, by PricewaterhouseCoopers LLP or other independent certified public
accountants of nationally recognized standing;

               (B) as soon as available, but in any event not later than 45 days
after the end of each quarterly period of each fiscal year of the Company, the
unaudited consolidated and consolidating balance sheets of the Company and its
consolidated Subsidiaries as at the end of such quarter and the related
unaudited consolidated and consolidating statements of income and cash flows for
such quarter and the portion of the fiscal year through the end of such quarter
(provided that no such consolidating statements of cash flows shall be required
for the fiscal quarter ended June 30, 2000), setting forth in each case in
comparative form the figures as of the end of and for the corresponding period
in the previous year and a comparison of such figures to the budget with respect
to such period previously delivered to the Subscriber, certified by the chief
financial officer of the Company as being fairly stated in all material respects
(subject to normal year-end audit adjustments) and a narrative discussion and
analysis of the financial condition and results of operations of the Company and
its Subsidiaries for such fiscal quarter and for the period from the beginning
of the then-current fiscal year to the end of such fiscal quarter, as compared
to the portion of the Projections covering such period and to the comparable
periods of the previous year and to its budget with respect to such period
previously delivered to the Subscriber; and

               (C) as soon as available, but in any event not later than 45 days
after the end of each month occurring during each fiscal year of the Company
(other than the third, sixth, ninth and twelfth such month), the unaudited
consolidated and consolidating balance sheets of the Company and its
Subsidiaries as at the end of such month and the related unaudited consolidated
and consolidating statements of income and cash flows for such month and the
portion of the fiscal year through the end of such month, setting forth in each
case in comparative form the figures as of the end of and for the corresponding
period in the previous year and a comparison of such figures to the budget with
respect to such period previously delivered to the Subscriber, certified by the
Company's chief financial officer as being fairly stated in all material
respects (subject to normal year-end audit adjustments); provided, that no such
consolidating information shall be required for the first fiscal year following
the Closing and no such consolidating statements of cash flows shall be required
pursuant to this paragraph at any time;

all such financial statements to be complete and correct in all material
respects and to be prepared in reasonable detail and in accordance with GAAP
applied consistently throughout the periods reflected therein and with prior
periods (except as approved by such accountants or officer, as the case may be,
and disclosed therein).

               (D) concurrently with the delivery of the financial statements
referred to in paragraphs (A) through (C) above, a copy of any certificates of
the chief financial officer of the Company and/or the independent certified
public accountants reporting on such financial statements which are delivered
pursuant to the Senior Credit Facility;

                                      -6-
<PAGE>

       (c) Termination of Covenants.  Upon the exchange of the PIK Preferred
Interest as described in Section 9 below and subject to Section 9 below, all of
the covenants set forth in paragraphs (a), (b) and (c) of this Section 7 shall
terminate and be of no further force or effect pursuant to this Agreement.

   8.  Subordination.
       -------------

       (a) Agreement to Subordinate. The Subscriber agrees, and each holder of
the PIK Preferred Interest upon any transfer thereto shall be deemed to agree,
that all obligations of the Company to pay or redeem the PIK Preferred Interest
and all dividends or other amounts due therein are subordinated in right of
payment, to the extent and in the manner (but only to that extent and in that
manner) provided in the following paragraphs (b) to (e) of this Section 8, to
the prior payment in full of all "Senior Debt" and all "Senior Subordinated
Debt", (as each of such terms is defined in the Indenture in the form it is in
on the date hereof), and that such subordination is for the benefit of and
enforceable by the holders of the Senior Debt and/or the holders of the Senior
Subordinated Debt. The Senior Debt and Senior Subordinated Debt is referred to
collectively herein as "Superior Debt".

       (b) Liquidation, Dissolution, Bankruptcy. Upon any payment or
distribution of the assets of the Company to creditors upon a total liquidation
or a total dissolution of the Company or any bankruptcy, insolvency,
receivership or similar proceeding related to the Company or its properties or
an assignment for the benefit of creditors of the Company's assets or
liabilities:

           (i) the holders of Superior Debt shall be entitled to receive payment
in full in cash or Cash Equivalents (as such term is defined in the Indenture in
the form it is in on the date hereof) of all obligations due with respect to
Superior Debt (including interest after the commencement of any such proceeding
at the rate specified in the applicable Superior Debt) before the holders of the
PIK Preferred Interest shall be entitled to receive any payment of principal of,
accrued dividend on, or interest (including interest accruing after the
commencement of any such proceeding) with respect to the PIK Preferred Interest;
and

           (ii) until the Superior Debt is paid in full in cash or Cash
Equivalents (as defined in the Indenture in the form it is in on the date
hereof), any payment or distribution to which the holders of the PIK Preferred
Interest would be entitled but for this Section 7 shall be made to the holders
of Superior Debt, as their respective interests may appear.

       (c) Relative Rights.  This Section 7 defines the relative rights of the
holder of the PIK Preferred Interest in relation to the rights of the holders of
Superior Debt.  Nothing in this Section 7 shall be deemed to impair, as between
the Company and the holder of the PIK Preferred Interest, the obligation of the
Company to make all payments, including but not limited to Guaranteed Payments,
dividends and redemption amounts and the obligations of the Company and the
Issuer to carry out their respective obligations to exchange the PIK Preferred
Interest for additional Notes in accordance with the terms of this Agreement and
the Amended Company Documents, or otherwise prevent the holder of the PIK
Preferred Interest from otherwise exercising its available remedies against the
Company or the Issuer, subject always to the rights

                                      -7-
<PAGE>

of holders of Superior Debt under this Section 7 to receive distributions which
might otherwise be payable to holders of the PIK Preferred Interest.

       (d) Subordination May Not Be Impaired by Company. The right of any holder
of Superior Debt to enforce the subordination evidenced by this Section 7 shall
not be impaired by any act or failure to act by the Company or the Issuer.

       (e) Reliance by Holders of Superior Debt on Subordination Provisions.
Each holder of the PIK Preferred Interest by accepting such PIK Preferred
Interest and all rights and benefits accruing thereto, hereby acknowledges and
agrees that the foregoing subordination provisions are, and are intended to be,
an inducement and a consideration of each holder of any Superior Debt, whether
such Superior Debt was created or required before or after the issuance of the
PIK Preferred Interest to acquire, or to continue to hold, such Superior Debt
and such holder of Superior Debt shall be deemed conclusive that you have relied
on such Subordination Provisions in acquiring in holding and continuing to hold
or in containing to hold such Superior Debt.

   9.  Exchange of PIK Preferred Interest into Notes; Joinder by Issuer.  The
parties hereto acknowledge that, as set forth more fully in the Amended
Operating Agreement, the PIK Preferred Interest is exchangeable by the
Subscriber or redeemable by the Company for an equivalent principal amount of
Notes from the Issuer.

   The Issuer hereby joins in this Agreement for the purpose of expressing its
covenant and agreement and hereby covenants and agrees with the Subscriber  to
issue additional Notes to the Subscriber pursuant to all of the terms and
conditions of the Indenture, or its designated affiliate, in an amount of the
full aggregate Capital Contribution (as defined in the Operating Agreement) of
the PIK Preferred Interest (plus all accrued and unpaid amounts payable to the
holder thereof) upon the exchange or redemption of the Preferred Interest in
accordance with the terms and conditions of the Amended Members' Agreement.

     10.  Miscellaneous.
          -------------

       (a) Entire Agreement; Amendments. This Agreement sets forth the entire
understanding and agreement between the parties hereto with respect to the
subject matter hereof, and, subject to applicable law, may be amended or
terminated only in writing. Notwithstanding the foregoing sentence, the parties
acknowledge that various material terms of the PIK Preferred Interest are also
set forth in the Amended Company Documents.

       (b) Waiver of Rights or Remedies.  Any failure by the Subscriber, the
Managers or the Company to exercise any right or remedy under this Agreement, or
any delay in exercising any such right or remedy, shall not operate as a waiver
of such right or remedy.  No waiver of any such right or remedy shall be
effective unless it is in writing and signed by the party making the waiver.

       (c) Governing Law, Jurisdiction; Jury Trial.  This Agreement shall be
construed in accordance with, and its validity, construction, and performance
shall be governed by, the laws of The State of Delaware.  The Subscriber hereby
irrevocably consents to the exclusive jurisdiction of any federal or state court
sitting in The State of Delaware for the

                                      -8-
<PAGE>

purposes of any proceeding relating to this Agreement and waives any objection
to the convenience of any such court. The Subscriber hereby irrevocably waives
any right to a jury trial with respect to any matter relating to this Agreement
or the Subscriber's investment in the PIK Preferred Interest.

       (d) Headings and Captions; Pronouns.  Headings and captions in this
Agreement are inserted only as a matter of convenience and for reference and in
no way define, limit, extend or describe the scope of this Agreement or the
intent of any provisions thereof.  The use of a particular pronoun herein shall
not be restrictive as to gender or number but shall be interpreted as the
context may require.

       (e) Severability.  In the event that any provision of this Agreement
shall be found to be invalid, illegal, or unenforceable as written, such finding
or invalidity, illegality, or unenforceability shall have no bearing or effect
upon the validity or enforceability of any other provision of this Agreement.
In the event that any otherwise valid provision contained in this Agreement
shall be found invalid, illegal, or unenforceable as applied in any case, such
finding or invalidity, illegality, or unenforceability of such provision in such
application shall have no bearing or effect upon the validity, legality or
enforceability of such provision in any other application or of any other
provision of this Agreement except to the extent that such continued validity,
legality, or enforceability shall be expressly and conclusively precluded by the
judgment of the court or tribunal that made such finding of invalidity,
illegality, or unenforceability.

       (f) Notices.  All demands, notices, and other communications under
this Agreement shall be in writing, shall be deemed effective when sent by
overnight delivery service or by certified or registered mail (in any such case,
postage prepaid and return receipt requested) or by facsimile, and, if sent to
the Subscriber, shall be addressed to the Subscriber at the address given on the
Subscriber Signature Page hereto (or such other address of which the Subscriber
may hereafter notify the Company) or, if sent to the Company, shall be addressed
to the Company at Weigh-Tronix, LLC, 293 South Main Street, Providence, Rhode
Island 02903, Attention:  Chief Financial Officer (or such other address of
which the Company may hereafter notify the Subscriber).

       (g) Successor and Assigns; Rights of Transfer.  The Agreement shall be
binding upon and inure to the benefit of and be enforceable by the respective
successor and assigns of the parties hereto.

   The PIK Preferred Interest shall be non-transferable except pursuant to a
Permitted Transfer (as defined in the Amended Members' Agreement).

       (h) Counterparts.  This Agreement may be executed in one or more
counterparts, all of which shall constitute one and the same instrument.

                                 *   *   *   *

                                      -9-
<PAGE>

                               WEIGH-TRONIX, LLC

                                SIGNATURE PAGE

                                      TO

                            SUBSCRIPTION AGREEMENT

     The undersigned hereby executes and delivers the Subscription Agreement and
Investor Questionnaire (attached thereto) to which this Signature Page is
attached, which, together with all counterparts of said Agreements and Signature
Pages of the other parties named in said Agreements, shall constitute one and
the same document in accordance with the terms of said Agreements.

Date:  June 13, 2000        Marconi, Inc.
                            ----------------------------------------------------
                            Name of Subscriber

                            By:____________________________

                            Print Name:_____________________
                            Title:__________________________

                            Address:________________________
                            ________________________________

                            Telecopier No.:_________________

                            Social Security Number or Taxpayer Identification
                            Number:______________________________

ACCEPTED AND AGREED:

WEIGH-TRONIX, LLC

By:______________________________

SWT FINANCE B.V. (as to Paragraphs 3 and 9 hereof)

By:______________________________
   By Designation under Power of
   Attorney

                                      -10-
<PAGE>

                                  SCHEDULE 1
                                  ----------

                               WEIGH-TRONIX, LLC

                                 CLASS MEMBER
                                 ------------

NAME AND ADDRESSES                  CAPITAL
 OF CLASS MEMBER                 CONTRIBUTION
 ---------------                 ------------

Marconi, Inc.                    10,000,000
c/o Marconi Data Systems Inc.  (EURO $10 million)
1500 Mittel Blvd.
Wood Dale, Illinois  60191-1073

with a copy to:

Marconi Corp. PLC
One Bruton Street
London WIX 8AQ
Attn:  Clifford Samuel

                                      -11-
<PAGE>

                      CONFIDENTIAL INVESTOR QUESTIONNAIRE

     The PIK Preferred Interest (the "PIK Preferred Interest") in WEIGH-TRONIX,
LLC, a Delaware limited liability company (the "Company"), are being offered to
a limited number of qualified investors, without registration under the
Securities Act of 1933, as amended (the "1933 Act"), and without registration
under various state securities or blue sky laws in reliance on exemptions
therefrom.  The following information is required in order to determine whether
the subscriber (the "Subscriber") will be a qualified purchaser of the PIK
Preferred Interest pursuant to the exemptions from federal securities
registration provided under Section 4(2) of the 1933 Act, and/or Regulation D
promulgated thereunder by the Securities and Exchange Commission ("SEC"), and
the requirements of applicable state securities laws.

     The Subscriber must and will notify the Company immediately of any material
change in any statement made herein.

     Date Questionnaire Completed:

                                      -12-
<PAGE>

                     PART 1. IDENTIFICATION OF SUBSCRIBER

                     (TO BE COMPLETED BY ALL SUBSCRIBERS)

     Subscriber
     ----------

(1)  Name(s) of Subscriber(s)  _________________________________

(2)  If not a natural Person, Type of Entity:

[ ]  Corporation               [ ]  Trust
[ ]  Partnership               [ ]  Other _______________________________
                                          (Specify)
     Note: If Subscriber is not a natural Person, the following additional
           information will be required:

State of Organization:___________________________________________________

Number of shareholders or
partners:________________________________________________________________

Name of contact person:__________________________________________________

Name(s) and title(s) of individual(s) executing
documents:_______________________________________________________________
____________________________________________________________________________
____________________________________________________________________________

(3)  If the Subscriber is a natural Person, identify the nature of ownership of
     the proposed investment in the Company:

     [ ]  Single Ownership
     [ ]  Tenancy by the entirety (Spouses only)
     [ ]  Community property
     [ ]  Joint tenancy with right of survivorship
     [ ]  Tenancy in common

                                      -13-
<PAGE>

(4)  Home Address     _____________________

                      _____________________

     Telephone No.    (____)_______________

(5)  Business Address _____________________

                      _____________________

     Telephone No.    (____)_______________

(6)  Address to which correspondence should be mailed:

[ ]    Home         [ ]    Business     [ ]  Other (Specify)_________________

                                                            _________________

                                                            _________________

(7)    Date of Birth (or Formation if an Entity):  __________________

(8)    Social Security or Taxpayer ID No.:  __________________

(9)    Marital Status (if applicable):  _______________________

                                      -14-
<PAGE>

PART II.  ACCREDITED INVESTOR STATUS

                     (To Be Completed by All Subscribers)

A.   SUBSCRIBER WILL QUALIFY AS AN "ACCREDITED INVESTOR" FOR PURPOSES OF
     PURCHASING THE UNITS IF HE MEETS ANY ONE OF THE FOLLOWING QUALIFICATIONS.
     PLEASE INDICATE IF YOU QUALIFY UNDER ONE OR MORE OF THE FOLLOWING (please
     check all that apply):

[ ]  1.   Subscriber is a natural Person and has a net worth as of the date of
          this subscription (alone or including the net worth of the spouse of
          such Subscriber) in excess of $1,000,000.

[ ]  2.   Subscriber is a natural Person and had individual income in excess of
          $200,000, or joint income with the spouse of such Subscriber in excess
          of $300,000, in each of the two most recent calendar years and
          reasonably expects the same income level in the current year.

[ ]  3.   Subscriber is a corporation, partnership, charitable organization
          described in Section 501(c)(3) of the Internal Revenue Code, or
          business trust, not formed for the specific purpose of acquiring the
          Units, with total assets in excess of $5,000,000.

[ ]  4.   Subscriber is an entity which falls within one of the following
          categories of institutional accredited investors, set forth in Rule
          501(a) of Regulation D under the 1933 Act:

          (If Subscriber has checked Category 4, check below the item which
          describes Subscriber)

          [ ]    (a)  A bank as defined in Section 3(a)(2) of the 1933 Act, or
                      any savings and loan association or other institution as
                      defined in Section 3(a)(5)(A) of the 1933 Act whether
                      acting in its individual or a fiduciary capacity.

          [ ]    (b)  A broker or dealer registered pursuant to Section 15 of
                      the Securities Exchange Act of 1934.

          [ ]    (c)  An insurance company as defined in Section 2(13) of the
                      1933 Act.

          [ ]    (d)  An investment company registered under the Investment
                      Company Act of 1940 or a business development company as
                      defined in Section 2(a)(48) of that Act.

                                      -15-
<PAGE>

          [ ]    (e)  A Small Business Investment Company licensed by the U.S.
                      Small Business Administration under Section 301(c) or (d)
                      of the Small Business Investment Act of 195 8.

          [ ]    (f)  Any plan established and maintained by a state, its
                      political subdivisions, or any agency or instrumentality
                      of a state or its political subdivisions for the benefit
                      of its employees, if such a plan has total assets in
                      excess of $5,000,000.

          [ ]    (g)  Any private business development company as defined in
                      Section 202(a)(22) of the Investment Advisers Act of 1940.

          [ ]    (h)  An employee benefit plan within the meaning of the
                      Employee Retirement Income Security Act of 1974, if the
                      investment decision is made by a plan fiduciary, as
                      defined in Section 3(21) of such Act, which is either a
                      bank, savings and loan association, insurance company or
                      registered investment adviser, or if the employee benefit
                      plan has total assets in excess of $5,000,000 or, if a
                      self-directed plan, with investment decisions made solely
                      by Persons that are accredited investors.

          [ ]    (i)  A trust, with total assets in excess of $5,000,000, not
                      formed for the specific purpose of acquiring the Units,
                      whose purchase is directed by a sophisticated person as
                      described in Rule 506(b)(2)(ii) of Regulation D.

[ ]  5.   Subscriber is an entity in which all of the equity owners are
          accredited investors and described in one or more of the Categories
          set forth in paragraphs 1 through 4 above.

                                      -16-<PAGE>

                                                                    EXHIBIT 10.6

                                   AGREEMENT

     THIS AGREEMENT dated as of July 19, 2000 is by and between Robert E.
Derecktor, Inc., a New York corporation ("Builder"), and Lighthouse Landings,
Inc., a corporation ("Buyer").

     WHEREAS, the Buyer desires to purchase and the Builder desires to build and
sell the Vessel described herein pursuant to the terms hereof.

     NOW THEREFORE, in consideration of the material covenants set forth herein
and other good and valuable consideration, the receipt and adequacy of which is
hereby acknowledged, the parties hereto agree as follows:

Section 1.  Definitions
            -----------

     The following terms shall have the following respective meanings for all
purposes of this Agreement:

     "Additional Labor Charge" shall mean the amount to be paid by Buyer for
      -----------------------
labor performed in connection with any Change Order, which amount shall be
calculated at a rate of $55 for each Additional Man Hour.

     "Additional Man Hours" shall mean each hour worked by an employee or
      --------------------
subcontractor of Builder in connection with the construction of the Vessel which
would not have been necessary had a Change Order not been made, and has been
authorized by a Changer Order.

     "Additional Materials" shall mean all materials or equipment, other than
      --------------------
the Regular Materials, purchased in connection with the construction of the
Vessel, and have been authorized by a Change Order.

     "Additional Materials Charge" shall mean the amount to be paid by Buyer for
      ---------------------------
all Additional Materials, which amount is equal to the sum of (a) Builder's cost
of such Additional Materials plus (b) fifteen percent (15%).

     "Builder's Shipyard" shall mean the Builder's shipyard in Mamaroneck, New
      ------------------
York.

     "Bill of Sale" shall mean the bill of sale to be delivered by Builder to
      ------------
Buyer upon delivery of the Vessel.

     "Buyer Supplied Items" shall mean all materials and/or equipment other than
      --------------------
Regular Materials and Additional Materials selected by the Buyer for inclusion
in the Vessel.

     "Buyer's Payments" shall mean all amounts to he paid by Buyer to Builder
      ----------------
hereunder.
<PAGE>

     "Change Order" shall mean any request by the Buyer or by the Designer, on
      ------------
behalf of Buyer, to modify or deviate from the Plans or Specifications during
construction of the Vessel.

     "Defects" shall mean any defects in the Vessel, which are guaranteed
      -------
against by Builder pursuant to Section 8(a) herein.

     "Deliver" shall mean the date on which the Vessel is delivered to and
      -------
accepted by the Buyer.

     "Designer" shall mean Nigel Gee and Associates, Ltd.
      --------

     "Estimated Delivery Date" shall mean ten (10) months after contract or such
      -----------------------
later date as may be permitted herein.

     "Events of Default" shall mean each of the events identified in Section
      -----------------
9(a) herein.

     "Guaranty Period" shall mean the period commencing on the Delivery Date and
      ---------------
ending on the date which falls twelve (12) months after the Delivery Date.  The
following items will be covered for twenty four (24) months, hull structure, the
heating and ventilation equipment, raw water system, black water system and main
wiring.

     "Installments" shall mean each installment of the Purchase Price required
      ------------
pursuant to Section 4(b).

     "Invoice" shall mean an invoice to be prepared by Builder and submitted to
      -------
Buyer from time to time during the Term identifying the amount, if any, Buyer
owes for Additional Labor Charges and Additional Materials Charges attributable
to Additional Man Hours worked and Additional Materials ordered.

     "Materials" shall mean all Additional Materials, Regular Materials and any
      ---------
items listed on addendum 2 here to.

     "Plans" shall mean the plans provided by he Designer and incorporated by
      -----
reference herein.

    "Purchase Price" shall be as follows:
     --------------

    If a second boat is ordered within one hundred and twenty days after the
date hereof, the price will be five million, two hundred and fifty thousand
dollars ($5,250,000) for the first vessel and five million and two hundred and
six thousand for the follow on vessel. ($5,206,000).

    If a third boat is ordered with in two hundred and forty days after the date
hereof, the price will be five million, one hundred and eighty eight thousand
dollars ($5,188,000) for the first vessel and five million and fifty eight
thousand for the two follow on vessels ($5,058,000).

                                       2
<PAGE>

    If additional boat(s) are not ordered within 120 days of the date hereof the
price will be five million, four hundred thousand dollars ($5,400,000).

    "Regular Materials" shall mean all materials or equipment purchased in
     -----------------
connection with construction of the Vessel in accordance with the original Plans
and Specifications, and excluding any materials purchased in connection with a
Change Order.

    "Specifications" shall mean the specifications prepared by Builder dated
     --------------
July 19, 2000 for design no. 198-650 provided by the Designer and incorporated
by reference herein.

     "Term" shall mean the period of time commencing on the date of this
      ----
Agreement up to and including the Delivery Date.

     "Vessel" shall mean a passenger catamaran ferry to be built by Builder in
      ------
accordance with the Plans and Specifications as modified by any Change Orders,
which is to have the following general dimensions:

          Overall length              35 meters
          Waterline length            31 meters
          Beam                        10 meters
          Draft                       1.5 meters
          Speed                       42 knots
          Passengers                  312

Section 2.  Construction of the Vessel
            --------------------------

     (a) The Builder shall build the Vessel at the Builder's Shipyard in
accordance with the Plans and Specifications as modified by any Change Orders
and in a manner which is consistent with the standards, practices and
workmanship of a first-class shipyard.

     (b) The Builder shall be responsible for (i) purchasing all Materials
(excluding all Buyer Supplied Items) and (ii) providing all labor each as is
necessary for construction of the Vessel.  Builder shall have the right to
subcontract portions of the work (the approval of the Buyer shall be required
for subcontracting major portions of the work, which approval shall not be
unreasonably withheld or delayed), but shall still be responsible far providing
all labor.

Section 3.  Plans and Specifications
            ------------------------

     (a) Any fees or other costs incurred by the Buyer in connection with the
preparation of the plans and Specifications or any modifications thereto by the
Designer, are the responsibility of the Buyer and are not included in the
Buyer's Payments.  The Buyer represents and warranties that said Plans and
Specifications shall be sufficient for Builder to complete construction of the
Vessel.

                                       3
<PAGE>

     (b) Change Orders shall be authorized only upon the written and signed
consent of both the Builder and the Buyer.  Any request for a Change Order shall
be made in writing and submitted to the Builder for approval.  The Builder's
approval and signature shall not be unreasonably withheld.  The Builder's
approval of any Change Order shall be conditioned upon any statement endorsed on
the Change Order of:

          (i)   The estimated additional cost or savings in cost, if any, of
                Materials in effecting the Change Order;

          (ii)  The addition to or reduction in man hours of labor, if any, to
                result from compliance with the requested Change Order; and

          (iii) Any adjustment in the Estimated Delivery Date necessitated by
                the Change Order;

     The Change Order shall then be submitted to the Buyer for approval.  If the
Buyer approves the Change Order, he shall sign the Change Order and return it to
the Builder.

     (c) Once approved as provided herein, a Change Order shall have the effect
of modifying the Plans and Specifications consistent with the Change Order.
Further, an approved Change Order shall act to increase or decrease the man
hours in accordance with the estimate contained in the Change Order and shall
act to adjust the Estimated Delivery Date in any manner set forth in the Change
Order.

     (d) Builder shall submit Invoices to Buyer for any Additional Labor Charges
or Additional Material Charges and such Invoices shall itemize all Additional
Materials and Additional Man Hours by reference to specific Change Order.

     (e) If at any time it becomes apparent that Additional Labor Charges or
Additional Material Charges on account of a Change Order exceed the estimates
approved in the Change Order by more than ten (10%) percent, Builder shall
immediately notify Buyer with an explanation of the discrepancy.  If Builder
fails to give the notice required hereunder, it shall not be entitled to be paid
on account of the Change Order more than the amounts estimated in the Change
Order as approved by the Buyer.

     (f) Work accomplished not in conformity with the Plans and Specifications
and not authorized by the Buyer may at Buyer's option (i) be deemed an amendment
to the Plans and Specifications, without charge, or (ii) be required to be
brought into conformity at Builder's expense.

Section. 4.  Buyer's Payments
             ----------------

     (a) The Buyer agrees to pay the following amounts, in accordance with the
provisions of Sections 4(b) and (c) below, to Builder:

                                       4
<PAGE>

          (i)    the Purchase Price (three boat order);

          (ii)   the Additional Materials Charge, if any; and

          (iii)  the Additional Labor Charge, if any.

     (b)  The Buyer shall make Installments towards payment of the Purchase
Price in accordance with the following schedule:

          (i)    Approx. 5 % equal to $262,500 - $2.5,000 deposit and $237,500
                 upon signing of this Agreement.

          (ii)   Approx. 5 % equal to $256,300 upon placement of order for major
                 equipment [thirty (30) days after initial deposit]

          (iii)  10 % equal to $518,800 upon cutting of frames [ten (l0) weeks
                 after contract signing]

          (iv)   15 % equal to $778,204 upon frames being set ups [eighteen (18)
                 weeks after contract signing]

          (v)    15 % equal to $778,200 upon hull plating [twenty-four (24)
                 weeks after contract signing]

          (vi)   15 % equal to $778,200 upon house plating [thirty (30)weeks
                 after contract signing]

          (vii)  15 % equal to $778,200 upon delivery of engines [thirty-two
                 (32) weeks after contract signing]

          (viii) 10 % equal to $518,800 upon installation of the joinery
                 bulkheads [thirty-six (36) weeks after contract signing]

          (ix)   5 % equal to $256,300 upon launching [thirty-nine (39) weeks
                 after contract signing)

          (x)    5 O/a equal to $256,300 upon delivery after satisfactory
                 completion of builder's trials [forty-three (43) weeks after
                 contract signing]

     (c)  The purchase price for the first boat is based on three boats being
ordered. If a follow on vessel is not ordered within one hundred and twenty
days, then a lump sum of two hundred and eleven thousand, five hundred dollars
($211,500) will be paid at progress payment four (iv).  If the additional vessel
is ordered, but the third vessel is not ordered after 240 days, then a lump sum
of one hundred and forty eight thousand ($148,000) dollars will be paid at
progress payment four (iv) of the second vessel.

                                       5
<PAGE>

     (d) The builder shall have the right to raise the purchase price of the
second or third vessel if he can show that significant material cost increases
have taken place to increase the price of the vessel.  Any such purchase price
increase shall be in direct proportion to such material price increases.

     (e) The Builder shall periodically submit Invoices to the Buyer, identify
all Additional Materials Charges and Additional Labor Charges owing. (Upon
reasonable request by Buyer, Builder shall make available, during normal
business hours, its records substantiating the amounts contained in the
Invoices).  The amount of Additional Labor Charge and Additional Materials
Charge listed as owing in each Invoice shall be paid at next payment period.

     (f) In the event that Buyer shall fail to pay any Installment, Additional
Labor Charge or Additional Materials Charge within five (5) days after the date
such Installment is due or of the Invoice relating to such Additional Labor
Charge or Additional Materials Charge (i) interest shall accrue from time to
time on the unpaid portion of such payments at a rate of eighteen percent (18%)
per annum and (ii) the Builder shall be permitted to cease all work on the
Vessel until such tune as (A) Buyer has paid all amounts then owing (including
any accrued interest); it being understood that the Estimated Delivery Date
shall be extended one day for each day that Builder ceases work hereunder.

Section. 5.  Buffer Supplied Items
             ---------------------

     Within sixty (60) days of the execution of this contract, Builder shall
provide Buyer with a delivery schedule for Buyer Supplied Items.  Buyer will
timely deliver all Buyer Supplied Items so as not to delay delivery of the
Vessel.  Buyer agrees to reimburse Builder for all costs and expenses occasioned
solely by the failure of Buyer to timely deliver any Buyer Supplied Items.
Additionally, the Estimated Delivery Date shall be extended by the lesser of any
delay actually caused in the delivery of the Vessel and the number of days of
delay in furnishing Buyer Supplied items.

Section 6.  Delivery
            --------

     (a) The Vessel shall be delivered free and clear of liens by Builder to
Buyer at the Shipyard (or at such other place as the parties may agree) on or
about the Estimated Delivery Date, provided that all amounts owing hereunder
shall have been paid in full.  Delivery shall be evidenced by Buyer's acceptance
of the Bill of Sale.

     (b) Title to the Vessel and risk of loss relating to the Vessel shall pass
to Buyer upon delivery of the Vessel.

     (c) Builder agrees to deliver a Bill of Sale; provided that all amounts
owing hereunder have been paid in full.

                                       6
<PAGE>

     (d) If Builder is unable to deliver the Vessel within sixty (60) days after
the Estimated Delivery Date, Buyer may give notice by registered mail to Builder
of Buyer's desire to terminate this Agreement.  If Builder shall fail to tender
delivery of the Vessel within sixty (60) days after the receipt of such notice,
Buyer may terminate this Agreement upon the giving of fifteen (15) days notice
by registered mail to Builder.

     (e) If Buyer terminates this Agreement pursuant to Section 6(d), Buyer's
sole remedy shall be to remove from the Shipyard the Vessel and any uninstalled
or unused Materials, provided that Buyer has met all of its obligations under
Section 4 and any Invoices provided to the Buyer by the Builder and other
charges hereunder.

     (f) The Estimated Delivery Date shall be extended for such time as
permitted herein, including but not limited to Sections 3(c), 4(d), 5 and 10(b)
hereof, and such other time as Builder shall reasonably require if and to the
extent that construction of the Vessel is delayed due to any strikes, lockouts,
civil commotions, warlike operations, invasions, rebellions, hostilities,
military or usurped power, governmental regulations or controls, acts of God,
inability to obtain labor or materials from Builder's usual source of supply or
any other cause beyond the exclusive control of Builder.  If any such delay
(other than delays permitted by Sections 3(c), 4(d), 5 or 10(b) hereof) persists
for a period of one hundred and eighty (180) days or more, or is reasonably
certain to so persist, Buyer may terminate this contract on thirty (30) days
notice in accordance with section 6(e) hereof.

     (g) Buyer shall take possession of the Vessel immediately upon delivery and
acceptance thereof and shall remove the Vessel from the premises of the Shipyard
(or such other place as Buyer and Seller may agree) on the Delivery Date.

     (h) If Buyer fails to take delivery of the Vessel within two weeks of the
tender of delivery by the Builder in accordance with the terms hereof, Buyer
shall be liable for all actual costs incurred by the Builder solely as a result
of such delay exceeding two weeks beyond the Delivery Date.

Section 7.  Buyer's Lien
            ------------

     (a) Buyer shall at all times prior to delivery and acceptance have a lien
against the Vessel and the Materials yet to be incorporated into the Vessel in
an amount equal to all funds paid to the Builder.  At the request of the Buyer,
Builder shall cooperate with Buyer in executing all documents, including form(s)
UCC-1, and permit all acts necessary to the perfection for such security
interest.  The lien shall terminate upon delivery of the Vessel to the Buyer and
Buyer shall take all necessary steps to accomplish said termination.

Section 8.  Warranty
            --------

     (a) Except as hereinafter provided, Builder, for the duration of the
Guaranty Period, guarantees the Vessel against all defects (the "Defects")
discovered during the Guaranty Period which are (i) directly caused by poor
workmanship or negligent installation of Materials by the

                                       7
<PAGE>

Builder or its subcontractors during the construction of the Vessel and (ii)
which Buyer gives notice to Builder in writing within fourteen (14) days of
discovery thereof. Builder does not guarantee and is not responsible for defects
in the Vessel, which result from, relate to, or arise out of the Plans,
Specifications, any Change Orders, or any equipment specified in the
Specifications or Plans, which is manufactured by someone other than Builder.

     (b) Builder shall repair any Defect at the Shipyard or pay for the
necessary repairs to be made at another shipyard selected by Builder, at no cost
to Buyer.  Should Buyer, after giving proper notice hereunder, choose to have a
Defect repaired by a shipyard other than the Shipyard or a shipyard selected by
Builder, Builder shall reimburse Buyer for the cost of such repair, up to an
amount equal to the cost reasonably estimated by Builder for such repair if
performed at the Shipyard or another shipyard selected by Builder.

     (c) Builder shall be under no obligation with respect to defects not
reported within the time required above or defects discovered after the
expiration of the Guaranty Period. The Builder shall under no circumstance be
liable for defects in the Vessel, or any part or equipment thereof, caused by
perils of the sea or rivers, navigation, fire, normal wear and tear, accidents
at sea or elsewhere, mismanagement, negligence, willful neglect, alteration,
addition or repair on the part of any person at any time, other than the
employees or subcontractors of Builder during the construction of the Vessel.
In no event shall Builder be liable for any consequential loss, damages or
expenses arising from any defect in the Vessel, or for loss of time in operating
the Vessel due to repairs caused by any defect,

     (d) EXCEPT AS PROVIDED IN THIS SECTION 8, BUILDER HAS NOT AND SHALL NOT BE
DEEMED TO HAVE MADE AND BUILDER HEREBY SPECIFICALLY DISCLAIMS ANY REPRESENTATION
OR WARRANTY, EXPRESS 0R IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

     (e) To the extent that materials and equipment used in the construction of
the Vessel are covered by warranties, guarantees or representations of the
sellers or manufacturers thereof, the Builder will assign to the Buyer any such
warranties, guarantees and representations and shall cooperate with Buyer in
enforcing any such warranties, guarantees and representations during the term
thereof; however, the Builder Shall have no liability in connection with said
warranties, guarantees and representations.  Specific details of the warranties
from Kamewa and Detroit Diesel are specified in Addendum 1.

Section 9.  Inspection
            ----------

     (a) The Buyer shall have the right to inspect the Vessel during normal
business hours provided that such inspection shall not interfere with Builder's
work.  The right of the Buyer to inspect the Vessel during construction or any
actual inspection shall not imply or act as an acceptance by the Buyer of any
aspect of the Vessel prior to actual delivery of the Vessel. However, without
being under any obligation to do so, should the Buyer learn at any time that any
aspect of the Vessel does not conform to the Plans and Specifications and this
Agreement,

                                       8
<PAGE>

the Buyer shall immediately notify the Builder and either accept or reject the
non-conformity in writing. Acceptance of a non-conformity in writing shall serve
to amend the Plans and Specifications to the extent of the specific non-
conformity accepted. Buyer shall not be liable for any increase in Labor or
Materials actually incurred in the construction as a result of an accepted non-
conformity and likewise no adjustment of the Delivery Date shall result from the
acceptance of a non-conformity.

Section 10.  Insurance
             ---------

     (a) During the construction of the Vessel and until delivery of the Vessel
to Buyer hereunder, Builder shall, at its own expense, maintain insurance over
the Vessel and any uninstalled part thereof against all risks customarily
insured against by builders of vessels similar to the Vessel in the United
Status.  The amount of such coverage shall not be less than the aggregate amount
of Buyer's Payments paid to Builder.

     (b) In the event that, prior to delivery of the Vessel, the Vessel shall
suffer a partial loss covered by the insurance maintained hereunder, all
insurance proceeds received in respect thereof shall be paid to Builder in order
to enable Builder to repair the damage constituting such partial loss; it being
understood that the Estimated Delivery Date shall be extended by the period of
time reasonably necessary for the Builder to repair such partial loss.

     (c) In the event that, prior to delivery of the Vessel, the Vessel shall
suffer a total loss covered by the insurance maintained hereunder, all insurance
proceeds received in respect thereof shall be paid to Buyer, up to the amount of
Buyer's Payments actually paid to Builder, with any excess being paid to
Builder.

     (d) Builder shall be under no obligation to insure the Vessel hereunder
after tender of delivery of the Vessel by Builder to Buyer.

Section 11.  Sea Trials
             ----------

     (a) A test program of the Vessel will be developed by the Buyer and the
Designer, subject to the approval of the Builder, which approval will not be
unreasonably withheld, to be conducted, in accordance with the Plans and
Specifications, by the Builder to the satisfaction of Buyer (hereinafter
referred to as the "Trials").  The Builder shall notify the Buyer of the
schedule of Trials not less than fifteen (15) days prior to the commencement of
Trials.

Section l2.  Taxes
             -----

     (a) Buyer agrees that all payments made by Buyer in connection with the
transactions contemplated by this Agreement shall be free of all withholdings or
deductions of any nature whatsoever.  In the event any such withholding or
deduction shall be required, Buyer shall pay such additional amounts as is
necessary so that after any such withholding or deduction, Builder receives the
full amount to be paid to it hereunder.

                                       9
<PAGE>

     (b) Buyer agrees to pay, or to the extent Builder is required to pay, to
indemnify Builder for the payment of, any taxes or similar fees, duties or
charges of any kind (including without limitation sales taxes but excluding
federal and state income taxes imposed on Builder) arising from or in connection
with the transactions contemplated by this Agreement.

Section 13.  Events of Default and Remedies
             ------------------------------

     (a)  Each of the following shall be deemed an Event of Default:

          (i)    Buyer's failure to make any payment required hereunder on the
                 date such payment is due;

          (ii)   Buyer's failure to accept the Vessel within fourteen (14) days
                 from the date on which the Vessel is tendered for delivery;

          (iii)  Buyer's material breach of any of his other obligations under
                 this Agreement; or

          (iv)   Buyer shall become insolvent or generally not pay his debts as
                 such become due, or shall admit in writing his insolvency or
                 his inability to pay his debts generally, or shall make a
                 general assignment for the benefit of creditors; or any
                 proceeding shall be instituted by or against him seeking to
                 adjudicate hire as bankrupt or insolvent.

     (b) Should an Event of Default occur, Builder shall have, in addition to
the right to charge interest and case work in accordance with the terms of
Section 4 hereof, the right to terminate this Agreement and dispose of the
Vessel in accordance with the terms of Section 13(c) below and all other
remedies permitted by law.

     (c) In the event that an Event of Default occurs and continues for a period
of fifteen (15) days, Builder may terminate this Agreement by written notice to
Buyer and may, at its sole discretion, either complete the Vessel and sell the
same, or sell the Vessel "as is," free of any right or claim of Buyer.  Such
sale of the Vessel by Builder shall be either by public auction or private
contract at Builder's sole discretion at such price and on such other terms and
conditions as Builder shall deem fit.

     In the event of such sale of the Vessel, the amount of the sale proceeds
received by Builder shall be applied firstly to all expenses attending such sale
(including, but not limited to, the cost of preparing, completing and marketing
the Vessel and reasonable attorneys' fees) or otherwise incurred by tape Builder
as a result of Buyer's default, secondly to the payment of all costs and
expenses of construction of the Vessel incurred by Builder less the
installments, Additional Labor Charges and Additional Materials Charges already
paid by Buyer and the compensation to Builder for any reasonable losses due to
rescission of this Contract, plus accrued interest on all such amounts at
eighteen percent (18%) per annum, and finally to the repayment of Buyer without
interest, if any balance remains.

                                       10
<PAGE>

     If the proceeds of sale are insufficient to pay such total costs and any
reasonable losses as aforesaid, Buyer shall promptly pay the deficiency to the
Builder upon request.

     (d)  In addition to the foregoing, Buyer shall be liable for all legal fees
and other costs and expenses incurred by Builder by reason of the occurrence of
any Event of Default or exercise of Builder's remedies with respect thereto.

Section 14.  Additionally Supplied Items
             ---------------------------

     Items and schedule o(Pounds) supply that are to be delivered beyond the
specification and contract are to be listed in Addendum 2.

Section 15.  Miscellaneous
             -------------

     (a)  Notices.  All notices required under the terms and provisions hereof
          -------
shall be in writing, and sent to Builder and Buyer at their respective addresses
set forth below (or such other addresses as the parties may designate from time
to time in writing):

          If to Builder:

          Robert E. Derecktor, Inc.,
          311 East Boston Post Road
          Mamaroneck, NY 10543
          Attention: E. Paul Derecktor
          Telephone: 914-698-5020
          Facsimile: 914-698-4641

          If to Buyer:

          Light House Landings
          195 Fairfield Av.
          West Caldwell, New Jersey 07006
          Telephone: (973) 618-9034

          cc:

          New York Fast Ferry
          52 Shrewsbury Avenue
          Highlands, New Jersey 07732
          Telephone: (732) 291-2210

     (b)  Assignment. Neither party may assign or transfer any of its respective
          ----------
rights or obligations hereunder without the prior written consent of the other
party.

                                       11
<PAGE>

     (c) Entire Agreement; Modification or Revision.  This Agreement is intended
         ------------------------------------------
to be a complete and exclusive statement of the terms of the agreement of the
parties hereto, and this Agreement supersedes any prior agreements, whether oral
or in writing.  Neither this Agreement nor any term of this Agreement may be
modified, rescinded, changed, waived, discharged or terminated except by a
writing signed by the party to be charged.

     (d) Article Headings and Captions.  All section headings and captions used
         -----------------------------
in this Agreement are for convenient reference arid shall not affect the
interpretation of this Agreement.

     (e) Jurisdiction; Governing Law.  The rights and obligations of the parties
         ---------------------------
under this Agreement shall be governed by and construed in accordance with the
laws of the state of New York.  The place of determination of any disputes
hereunder shall be New York, New York.

     Each party irrevocably consents to the service of process by the mailing of
copies thereof by registered or certified airmail, postage prepaid, to each
party at its address set forth in Section 14 (a) (or such other address as such
party may designate from time to time in writing).

     (f) Legality of Provisions.  If any provision of this Agreement shall be
         ----------------------
held to be invalid, illegal or unenforceable, the validity, legality and
enforceability of the remaining provisions shall not in any way be affected or
impaired thereby.

     (g) Rules of Construction.  Singular words shall connote the plural as well
         ---------------------
as the singular, and vice versa, as may be appropriate, and reference to any
person shall include any individual person, corporation, partnership, company,
association, governmental entity or the like, as well as its successors and
permitted assigns or transferees.

     (h) Discrepancies.  All general language or requirements embodied in the
         -------------
Specifications are intended to amplify, explain and implement the requirements
of this Agreement.  However, in the event that any language or requirements so
embodied permit of an interpretation inconsistent with any provision of this
Agreement, then in each and every such event the applicable provisions of this
Agreement shall govern.  The Specifications and Plans are also intended to
explain each other, and anything shown on the Plans and not stipulated in the
Specifications or stipulated in the Specifications and not shown on the Plans,
shall be deemed and considered as if embodied in both.  In the event of conflict
between the Specifications and Plus, the Specifications shall govern.

                                       12
<PAGE>

     IN WITNESS WHEREOF, the parties hereto have executed this Agreement on the
day and year first above written.

                                    ROBERT E. DERECKTOR, INC.,

                                    By: /s/ Paul Derecktor
                                       ---------------------------
                                        Name: Paul Derecktor
                                        Title: President

                                    LIGHTHOUSE LANDINGS, INC.,

                                    By: /s/ Anthony Colasanti
                                       ----------------------------
                                        Name: Anthony T. Colasanti
                                        Title: Vice President

                                       13
<PAGE>

Addendum 1 - Warranties from Kamewa and Detroit Diesel
------------------------------------------------------
<PAGE>

Addendum 2 - Items to be supplied beyond the Specification and Contract
-----------------------------------------------------------------------

     Two (2) Kamewa Can-Man control systems as follows.
<PAGE>

    ATLANTIC DETROIT DIESEL ALLISON, INC.
33 GREGG STREET
LODI, NEW JERSEY 07644

-------------------------------------------------------------------------------

Date:           07-10-00

To:             DERECKTOR SHIPYARD

Attn:           MR. GALVIN HIGGINS

From:           RICH MCGOVERN                      Phone:  201-291-0300
                ADDA SALES DEPT.                   Fax:    201-291-1833

SUBJ:           QUOTATION RESPONSE

RE:             N.Y.F.F. - Project

Total Pages:    03

-------------------------------------------------------------------------------

Pursuant to your request, this proposal includes (4) main engines with ZF Marine
gear, and 8 DDEC Engine Display Modules.

    DDC Series 12V4000 commercial marine propulsion engines, Rated 2330 BHP @
2000 RPM.

Basic Engine

 .  Single piece block with cross bolted main bearing caps for increased
   stiffness, longer bearing life, reduced noise and vibration and crankcase
   access ports.
 .  Individual four valve cylinder heads
 .  Forged steel crankshaft with bolt on counterweights
 .  Hydraulically fit high torque capacity, flywheel and damper hubs
 .  Centrifugally cast water-jacketed replaceable liners
 .  Forged steel connecting rod
 .  Pressure lubricated piston pin bushing
 .  Sputtered overlay rod and main bearings for high load capacity

Fuel System

 .  Electronically controlled unit pump fuel system which allows for optimized
   fuel injection pressure for optimum combustion control
 .  Engine driven fuel transfer pump
 .  Duplex Fuel / Water Separator with electric priming pump

Lube Oil System

 .  Oil system with large capacity sump for extended drain intervals
 .  Dual spin on oil filters
 .  Oil dipstick and fill located on inboard side of engine

                                       1
<PAGE>

Air System

 .  24 volt air inlet shutdown solenoid
 .  Dry type air inlet filters (mounted)

Exhaust System

 .  Triple water-cooled exhaust manifold to reduce cooling system burden and
   engine room heat loads
 .  Horizontal dry bellows with flanges
 .  Thermocouples - Exhaust gas temperature

Cooling System

 .  Split circuit cooling system allowing warming of charge air when cold, and
   cooling of charge air under full load conditions
 .  Built-in fuel cooler
 .  Self-priming raw water pump/engine driven
 .  Engine driven coolant circulating pump

Electrical System

 .  Electronic control module based on Motorola 68332 microprocessor with the
   following sensors: pressure sensors for coolant water, crankcase air, fuel,
   lube oil, oil filter differential, and turbo boost. Temperature sensors for
   charge air, coolant water, fuel ambient air, lube oil and turbine inlet.
   Speed sensors for camshaft, crankshaft, and turbocharger. Level sensor for
   coolant.
 .  Interface connection point for connection of customer supplied throttle
   controls
 .  Self monitoring diagnostics with memory
 .  24 volt 100 amp gear driven isolated ground alternator

Engine Start System

 .  24 VDC Electric
 .  Heater-coolant 120V / 2000 Watt

Marine Transmission ZF BU755-1 HWR/HWL

 .  Horizontal offset
 .  Electric shift
 .  Mounts for engine and transmission
 .  Reverse option
 .  Centalink shaft

Monitoring

 .  Detroit Diesel DDEC EDM's (electronic display modules). The EDM is a display
   providing monitoring for the engines and transmissions. Constant display
   includes engine oil pressure, engine coolant temperature, engine rpm, system
   voltage, transmission oil pressure, and transmission oil temperature.
   Additional monitoring points may be accessed by scrolling through a menu of
   options. The EDM includes an integral alarm buzzer.
 .  Includes (8) Engine display modules - (4) Wheel house, (4) Engine room
 .  Interconnecting harnesses constructed to customer specified lengths.

                                       2
<PAGE>

Support

 .  2 sets of manuals
 .  Startup and commissioning - included
 .  Torsional analysis of propulsion system (customer is responsible for
   supplying necessary data)
 .  Captains training
 .  Engine lube and anti-freeze
 .  DDC P3 - Three year, eight thousand hour warranty

Total investment per ship set - $1,554,495.00

Society classification - Not specified

DELIVERY:   December 2000

FOB:  Delivered

TERMS:  25% Deposit upon order.  Balance upon delivery of materials.

If further information is necessary, please don't hesitate to call upon me.

Regards,
/s/ Rich McGovern
Rich McGovern

                                       3
<PAGE>

DERECKTOR SHIPYARD                                                EXHIBIT 10.6

Attn:  GAVIN HIGGINS

Dear Sirs,

Kamewa Water Jets for New York Fast Ferries

We are pleased to present our quotation as follows:

One shipset Kamewa Quadruple Water Jet equipment,
Size 4x A50.

----------------------------------------------------------

The equipment and scope of supply is described in the enclosed
Specification.

Price/ship set    USD 395,000

Interceptor (option pricing) - $10,000 per ship set

Validity of Price with regard to Delivery Time

The price is valid CIF US Port in accordance with INCO-terms 1990
including packing, and is subject to adjustment should there be any
alteration to the specification for delivery time as stated below.  For later
delivery within 2000 the price will be increased by 0.4% per month.

Conditions of Delivery and Payment

Delivery Time

Control and Hydraulic systems - 22 weeks
Water jet assemblies          - 26 weeks

Terms of Payment

10% of the Contract Price in cash against invoice within 30 days from date of
    order/date of invoice

90% of the Contract Price in cash against invoice within 30 days from delivery

If shipment cannot take place due to reasons beyond Kamewa's control, payment
shall be effected against presentation of a Warehouse Receipt or a Declaration
that the goods are ready for shipment.
<PAGE>

Interest on late payments will be charged 9%.

Installation Supervision

One experienced Kamewa Service Engineer will supervise the installation onboard
during 15 normal working days.  Travelling expenses for max. 3 trips of our
Service Engineer to the shipyard as well as board and lodging charges during the
travelling time and service days are included.

The Services is rendered under our conditions TP 53E.

Service and overtime over and above this scope of supply as well as travelling
time and expenses between hotel and site, waiting time for which Kamewa is not
responsible and consequential board and lodging expenses, stand-by time onboard,
will be charged according to our list of rates valid at the time of the service.

Classification

The equipment will be built to the classification requirements of U.S. Coast
Guard and ABS in accordance with the rules valid at the date of this tender.

Guarantee

We undertake to correct over a period of 36 months which period shall commence
on the date the vessel is delivered to its first owner, any defect in the
equipment supplied, resulting from faulty material or workmanship. However, the
guarantee period will not exceed (44) months after the equipment has been
declared ready for delivery from our workshop.

In addition, Kamewa will guarantee the aluminum components for wear and
structural integrity for 60 months from beginning of service but not to exceed
66 months from delivery of equipment.  The operator must perform all zinc
replacement, painting and scheduled maintenance per Kamewa's instruction manual.

Kamewa shall not be liable for any consequential loss or damage whatsoever which
arises out of or in connection with the supply of the Equipment or its use
including but not limited to loss of profit, towage, docking, crane rental,
warping, scaffolding, assistance and services by yard personnel, loss of hire,
or loss of contract.

Responsibility for Equipment Selection

It is the Buyer's responsibility to inform Kamewa about the maximum full scale
resistance of the hull over the entire ship speed range.  Based on these data it
is Kamewa's responsibility to select suitable equipment.  In case the
information of maximum full scale resistance or equivalent data, received by
Kamewa and used for the selection of the water jet unit(s) specified under this
tender or contract, is incorrect or should change at a later stage, the
consequences on performance, equipment and all costs

                                       2
<PAGE>

involved shall later be born by the Buyer.

General Conditions

Unless otherwise is expressly stated in this tender the enclosed "General
Conditions for the supply of Plant and Machinery for export, ECE 188" shall
apply.

Limitation of Liability

The total aggregate liability of Kamewa to the buyer pursuant to any claim or
series of claims which arise under the contract shall not exceed 50 percent of
the price paid for the equipment for the relevant ship set.

Validity of Tender

This tender is valid two months, without obligation, and will be binding only
after acceptance by your and our confirmation thereof.

Yours faithfully,
/s/ Mark Dumais
Mark Dumais
Kamewa America

Encls.: Specification

                                       3
<PAGE>

023  Hydraulic System
     ----------------

     For each water jet unit:

     1 Main hydraulic pump (PTO-driven, mounted on gearbox or engine)

     1 Valve manifold including 2 counterbalance valves for reversing
       cylinders

     1 Hydraulic power pack consisting of:

                 1 Tank

                 2 Electro-hydraulic control valves for control of reversing and
                   steering

     Necessary valves and filters

024  Transmitters for alarm and interlocks
     -------------------------------------

     For each water jet unit:

     1 Oil temperature switches for the hydraulic systems

     1 Pressure switchers for the hydraulic systems

     1 Oil level switches for the hydraulic system

     1 Control system alarm switches (power failure, control error and cable
       brake)

     1 Indication supply failure switches

     1 Back-up supply failure switches

025  Electronic Remote Control System type CanMan with Three control stations
     ------------------------------------------------------------------------

     Each control station includes:

     1 Steering tiller for common control of the four steering nozzles

     1 Control panel with:

     2 land lever units for combined control of reversing bucket position and
engine speed

     Push buttons and indication lamps for:

 .  Clutch control
 .  Alarms
 .  Dimmer and lamp tests

     Buzzer for alarms

          1 Joystick which combines the commands of all four water jet units

                                       i
<PAGE>

          1 Indication panel for analogue indication of the steering nozzle and
               reversing bucket positions.

          On One of the control stations

          Alarm panel

          Back-up controls for:

 .    steering
 .    reversing
 .    engine rpm
 .    clutch IN/OUT

          In the pilot house or in other suitable compartment:
          ----------------------------------------------------

          1  Jet control unit for each water jet unit for follow up control of
reversing bucket position as well as steering nozzle and generation of RPM-
setpoint (combinator), back-up control (non follow-up) alarm supervision and
indication

          1  Bridge unit for communication between the control station on the
             bridge and the jet control units via CAN-bus

             On the control station, I/O units (integrated with the panel)
             connected to the CAN-bus

             Supply voltage, main system: 24 V DC
             Power consumption: abt.. 100 W

             Supply voltage, back-up system: 24 V DC
             Power consumption: abt. 50 W

             Supply voltage, indication system: 24 V DC
             Power consumption: abt. 25 W

          1 Hand held terminal for communication with computer systems, to be
            used for adjustment and fault finding

                                      ii

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