Document:

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                                  [LETTERHEAD]

December 29, 1999

Michael Siegel
3701  N. 47th Avenue
Hollywood, FL  33021
Tel: (954) 963-6751

Re:  Offer of Employment

Dear Mike:

As we discussed on the telephone December 28, 1999, we are extending to you
an offer of employment as Chief Financial Officer of PartsBase.com.  If you
accept our offer of employment, the following terms and conditions will apply.

Please plan to begin work on January 19, 2000.  I will contact you within the
next few days to confirm your starting date.  Your beginning rate of
compensation will be an annual salary of $141,000.00.  We will also provide
you with a monthly car allowance of $750 to cover the operating and insurance
costs of a vehicle of your choice.

Upon commencement of employment we will provide you with a signing bonus of
$30,000 to compensate you for a bonus that was to be distributed by your
current employer in February 2000.  If, on your own accord, you leave the
employ of PartsBase.com during the first six months of your employment, you
agree to repay this bonus on a pro-rata basis. In addition, PartsBase.com
will grant to you an option to purchase 75,000 shares at sixty-five cents per
share of our common stock upon commencement of your employment.  These
options will vest monthly pursuant to a two-year vesting schedule.  This
vesting schedule will be accelerated to include all unvested options if there
is a change in control of PartsBase.com. Change of control is defined as any
other single entity other than Robert A. Hammond owning 51% of the
outstanding stock. PartsBase.com also agrees that if you are terminated for
any reason other than cause, we will pay you a lump sum equal to six months'
salary.  You will also be eligible for an annual bonus which are awarded at
the discretion of the board of directors.

You will be reimbursed for the following out-of-pocket expenses, in
accordance with our policies that may be changed from time to time:
     - travel expenses
     - meals
     - postage
     - professional dues
     - cost of job-related seminars
     - cellular phone costs

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We also have a benefits package.  You will be permitted to participate in the
following benefits, in accordance with our policies as may change from time
to time, and after meeting the applicable eligibility requirements, if any:
     - pension plan
     - health insurance
     - life insurance
     - disability insurance

We agree to pay 100% of the cost for health insurance to cover yourself, your
wife and children.  We will provide you with a laptop, docking station,
monitor and keyboard for your use while in the office, at home and while
travelling.

Additionally, you will be entitled to three weeks of paid vacation for each
year of employment in accordance with our usual policies.

Your employment will not be for a specific duration or term, and it is
understood that your employment is voluntary in nature and is
employment-at-will.  Therefore, either party may terminate the employment
relationship at any time.

Upon acceptance of this offer, please sign and return the attached letter.
Please feel free to contact me if you have any questions or need additional
information.

We are looking forward to the opportunity of working closely with you in the
near future.

Sincerely,

/s/ Robert A. Hammond

Robert Hammond
Chief Executive Officer
PartsBase.com

Accepted By:

/s/ Michael W. Siegel  12/31/99
---------------------
Michael W. Siegel<PAGE>

                               EMPLOYMENT CONTRACT

        By this Agreement, Partsbase.com Inc., referred to in this Agreement
as Employer, located at 7171 N. Federal Highway, Suite 100, Boca Raton,
Florida 33487, employs Yves C. Duplan, referred to in this Agreement as
Employee, of 18367 Coral Chase Drive, Boca Raton, Florida, 33498, who accepts
employment on the following terms and conditions:

        WHEREAS, Employee agrees that in rendering services to Employer,
Employee has been, and will continue to be, exposed to and learn valuable
information about Employer's business, including valuable Confidential
Information, which it would be unfair to disclose to others, or use to
compete with Employer, or use to Employer's disadvantage, except as stated
herein; and

        WHEREAS, Employer wishes to protect its interests in its Confidential
Information, and Employee agrees that during the term of this Agreement and
upon termination of Employee's employment, Employee will not disclose to
others the Confidential Information or compete with Employer except as stated
herein.

        NOW THEREFORE, in consideration of Employer's employment of Employee,
and other good and valuable consideration, the receipt and sufficiency of
which is hereby acknowledged, Employee and Employer agree as follows:

                                    ARTICLE I

                               TERM OF EMPLOYMENT

        1.01. By this Agreement, the Employer employs the Employee, and the
Employee accepts employment with the Employer for a period of two (2) years.
If one party does not give notice to the other party of intention to
terminate this Agreement within thirty (30) days prior to the date that this
Agreement will terminate, this Agreement shall continue for an additional two
(2) year term and renew for successive two year terms until such notice is
given or this contract terminates otherwise pursuant to its terms. However,
this Agreement may be terminated earlier, as provided in Article XI.

                                      -1-

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                                   ARTICLE II

                                  COMPENSATION

        2.01. As compensation for all services rendered under this Agreement,
the Employee shall be paid by the Employer a salary of ninety five thousand
Dollars ($95,000) per year, payable according to the Employer's normal
payroll cycle for salaried employees. The amount paid is to be pro rated for
any partial employment period. The Employer and Employee may negotiate
adjustments to the Employee's salary.

                                   ARTICLE III

                               DUTIES OF EMPLOYEE

        3.01. The Employee is employed as the Chief Technology Officer of the
Employer and shall work at the Boca Raton, Florida office of the Employer and
at such other places as the Employer may direct. The Employee shall be
responsible for the overall management of the Company and supervise the
day-to-day operations of the Employer.

        3.02. The Employee shall devote his entire productive time, ability,
attention, and energies to the business of the Employer during the term of
this Agreement. During such time, the Employee shall not directly or
indirectly render any material services of a business, commercial or
professional nature to any other person or organization, whether or not for
compensation, without the prior written consent of the Employer.

                                   ARTICLE IV

                                EMPLOYEE BENEFITS

        4.01. The Employer agrees to include Employee, his spouse and his
dependents as defined under the Internal Revenue Code in the hospital,
medical, and other employee benefit plans adopted by the Employer for its
salaried employees. Without limiting the foregoing, the Employer shall pay
the cost of all medical insurance coverage.

                                         -2-

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        4.02 The Employer agrees to provide the Employee three (3) weeks of
paid vacation per calendar year. This vacation shall be pro-rated for any
part year. The Employee may carry over up to two weeks of paid vacation to
the subsequent calendar year. On a termination of service, the Employee is
entitled to pay for unused vacation days.

                                    ARTICLE V

                 REIMBURSEMENT OF EXPENSES INCURRED BY EMPLOYEE

        5.01. The Employee is authorized to incur reasonable business
expenses for promoting the business of the Employer, including expenditures
for entertainment, gifts, and travel. Employer will reimburse the Employee
for all such expenses upon the Employee's timely presentation of an itemized
account of such expenditures.

                                   ARTICLE VI

                            CONFIDENTIAL INFORMATION

        6.01. Employer and Employee agree that Employer has a legitimate
business interest in protecting its valuable Confidential Information.
Employee agrees that he will not disclose to or allow the use by any third
party, without the prior written consent of an executive officer of Employer,
any information relating to the business of Employer or its customers, if
such information could reasonably be construed as confidential unless and
until such Confidential Information has become public knowledge without fault
by the Employee. By way of illustration, but not limitation, Confidential
Information may include concepts, themes, business processes or ideas,
inventions, products, processes, methods, techniques, formulas, projects,
developments, plans, insurance data, research data, market data, financial
data, personnel data, computer programs, HTML code and Internet-related
information (including related graphics, links, scripts, or audio-visual
files), customer and supplier lists, and contacts at or knowledge of
customers or prospective customers of Employer.

        6.02. Employee further agrees that he will not make personal use of,
reproduce in any way, or divulge any information which could reasonably be
construed as constituting Confidential Information.

        6.03. All files, records, documents, drawings, specifications,
equipment, and similar items relating to the business of the Employer,
whether or not prepared by the

                                      -3-

<PAGE>

Employee, and other Confidential Information shall remain the exclusive
property of the Employer.

                                   ARTICLE VII

                               RETURN OF PROPERTY

        7.01. On the termination of employment or whenever requested by the
Employer, the Employee shall immediately deliver to the Employer all property
in the Employee's possession or under the Employee's control belonging to the
Employer, including but not limited to diskettes and other storage media
containing Confidential Information.

                                  ARTICLE VIII

                             OBLIGATIONS OF EMPLOYER

        8.01. The Employer shall indemnify the Employee for all losses
sustained by the Employee as a direct result of the lawful discharge of his
duties required by this Agreement.

                                   ARTICLE IX

              EMPLOYEE'S OBLIGATIONS OTHER THAN TO PERFORM SERVICES

        9.01. During the term of this Agreement, the Employee shall not,
directly or indirectly, either as an employee, employer, consultant, agent,
principal, partner, stockholder, corporate officer, director, or any other
individual or representative capacity, engage or participate in any business
if such business is engaged in the Same Business of the Employer. For
purposes of this section, Same Business of the Employer shall mean any
business engaged in the sale of aviation parts or products or the
facilitation thereof. Furthermore, on the termination of employment, the
Employee expressly agrees not to engage or participate, directly or
indirectly, in any business that is engaged in the Same Business of the
Employer for a period of two (2) years (hereinafter "Non-Compete Period").
The parties agree that this restriction is reasonable and the least
restrictive prohibition on the Employee's competition with the Employer that
protects the Employer's interests.

                                      -4-

<PAGE>

        9.02. The obligation of the Employee not to compete with the Employer
as set forth in Paragraph 9.01 of this Agreement shall not prohibit the
Employee from owning or purchasing any corporate securities that are
regularly traded on a recognized stock exchange or over-the-counter market so
long as the Employee's holdings do not exceed ten percent (10%) of the
outstanding shares of Employer.

        9.03. In the event of a breach of this section by Employee, Employer
and Employee agree that the Employer would suffer irreparable damages for
which monetary compensation would not be adequate. Accordingly, the parties
agree that the Employer shall be entitled, in addition to any other remedies
they may have under this Agreement at law or otherwise, to immediate
injunctive and other equitable relief to prevent or curtail any breach of
this Agreement.

        9.04. Employer's business is international in scope, and the
restrictions of this paragraph shall accordingly apply throughout the world.

        9.05. In the event of a breach of any post-employment covenant or
restriction contained in this Agreement, the two year period set forth
therein shall be automatically tolled and suspended for the amount of time
that the violation continues.

        9.06. The provisions of this Article shall survive the termination of
this Agreement for any reason whatsoever for a period equal to the two years
from termination (including any tolling period).

                                    ARTICLE X

                  NON-SOLICITATION OF EMPLOYEES AND CANDIDATES

        10.01. During the Employment Period, Employee shall not in any way
induce or entice any existing employee to terminate or sever his or her
relationship with Employer or to abandon or discontinue the pursuit of a
relationship with Employer.

        10.02. During the Non-Compete Period, Employee shall not hire, offer
to hire, solicit for employment, or otherwise endeavor in any way to entice
or lure away from employment, prospective employment, or any other
affiliation with Employer any person who, within the six months immediately
preceding the Termination Date, is or was an employee, agent, officer,
director, or candidate of Employer.

        10.03. Employee agrees that during the Non-Compete Period Employee
shall neither solicit nor accept business from any client of Employer. For
purposes of this section, the term "client" refers to any one or more of the
following:

                                   -5-

<PAGE>

               (i)   any person or entity for whom Employer performs or has
        performed services;

               (ii)  any person or entity who had an existing account with
        Employer during the Employment Period; or

               (iii) any person or entity who was an active prospect of Employer
        during the Employment Period.

        10.04. Employee acknowledges that Employer has substantial
relationships with its clients; that Employer expends significant time and
resources in acquiring and maintaining those client relationships; and that
Employer's relationships with its clients constitutes a significant and
valuable asset of Employer.

                                   ARTICLE XI

                                   TERMINATION

        11.01. Either party may terminate the Employee's employment by giving
30 days written notice of termination to the other party. Such termination
shall not prejudice any remedy that the terminating party may have at law or
in equity.

        11.02. In the event of the termination of employment, the Employee
shall be entitled to the compensation earned by the Employee prior to the
date of termination as is provided for in this Agreement, computed pro rata
up to and including the date of termination. The Employee shall be entitled
to no further compensation after the date of termination.

                                   ARTICLE XII

                               GENERAL PROVISIONS

        12.01. All notices or other communications required under this
Agreement may be effected either by personal delivery in writing or by
certified mail, return receipts requested. Notice shall be deemed to have
been given when delivered or mailed to the parties at their respective
addresses as set forth at the beginning of this Agreement or when mailed to
the last address provided in writing to the other party by the addressee.

                                      -6-

<PAGE>

        12.02. This Agreement supersedes all other agreements, either oral or
in writing, between the parties to this Agreement, with respect to the
employment of the Employee by the Employer. This Agreement contains the
entire understanding of the parties and all of the covenants and agreements
between the parties with respect to such employment.

        12.03. If any clause, phrase provision or portion of this Agreement
or the application thereto to any person or circumstance shall be invalid or
unenforceable under any applicable law, such event shall not affect or render
invalid or unenforceable the remainder of this Agreement and shall not affect
the application of any clause, provision or portion hereto to other persons
or circumstances.

        12.04. The restrictions contained in Article 9 of this Agreement are
considered reasonable by Employee and Employer, and it is the desire of both
parties that such restrictions and the other provisions of this Agreement be
enforced to the fullest extent permissible under the laws and the public
policies applied in each jurisdiction in which enforcement is sought.
Accordingly, in the event that any such restriction or provision shall be
found to be void or invalid but would be valid if some part thereof were
deleted or the period or area of application reduced, such restriction or
provisions shall apply with such modification as shall be necessary to make
it valid and effective. A deletion resulting from any adjudication shall
occur only with respect to the operation of the provision or a portion
thereof affected in the particular jurisdiction in which such adjudication is
made, and each court or other body having jurisdiction with respect to the
enforcement of the provisions of this Article 9 of this Agreement is hereby
empowered to modify by reduction, rather than deletion, of the time periods
or other restrictions referred to therein.

        12.05. This Agreement shall be binding upon and inure to the benefit
of the heirs, successors, assigns, and delegates of the parties hereto.

                                     -7-

<PAGE>

        Executed at 7171 N Federal Highway,Boca Raton, Florida, 33487 on
         November 22, 1999.

                                      EMPLOYER

                                      Partsbase.com, Inc.

                                      By:
                                         ------------------------------------
                                      Name: Robert A. Hammond
                                      Title: Chief Executive Officer

                                      EMPLOYEE

                                      ---------------------------------------
                                      Yves C. Duplan

                                    -8-

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