Document:

EXHIBIT 4.3

                                 Form of Warrant

THIS WARRANT MAY NOT BE SOLD, TRANSFERRED OR ASSIGNED PRIOR TO ________________,
2001. THE REGISTERED HOLDER OF THIS WARRANT BY ITS ACCEPTANCE HEREOF, AGREES
THAT IT WILL NOT SELL, TRANSFER OR ASSIGN THIS WARRANT PRIOR TO THAT DATE OTHER
THAN TO AN OFFICER OR PARTNER OF SUCH HOLDER.

NOT EXERCISABLE PRIOR TO ________________, 2001. VOID AFTER 5:00 P.M. EASTERN
TIME, ________________, 2005.

                            REPRESENTATIVE'S WARRANT

                        To Purchase Up To 125,000 Shares

                                       of

                            SFBC INTERNATIONAL, INC.
                            (A Delaware Corporation)

         THIS CERTIFIES THAT, in consideration of $125.00 aggregate purchase
price duly paid by HD Brous & Co., Inc., its successors or assigns as provided
herein (the "Holder"), as registered owner of this Warrant, to SFBC
International, Inc. ("SFBC" or the "Company"), is entitled to at any time or
from time to time at or after _______________, 2001 and at or before 5:00 p.m.,
Eastern Time, ______________, 2005 ("Termination Date"), but not thereafter, to
subscribe for, purchase and receive 125,000 Shares of common stock, $.001 par
value per share ("Common Shares") of SFBC. This Warrant is exercisable at $9.60
per share so purchased (the "Exercise Price"), upon presentation and surrender
of this Warrant and upon payment of the Exercise Price for such of the Common
Shares at the principal office of the Company; provided, however, that upon the
occurrence of any of the events specified in the Statement of Rights of Warrant,
a copy of which is attached as Annex I hereto and by this reference made a part
hereof, the rights granted by this Warrant, including the number of Common
Shares to be received upon such exercise, shall be adjusted as therein
specified. If the Termination Date is a day on which banking institutions are
authorized by law to close, then this Warrant may be exercised in accordance
with the terms herein on the next succeeding day which is not such a day on
which banking institutions are authorized by law to close. During the period
ending on the Termination Date, the Company agrees not to take any action that
would terminate the Warrants.

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<PAGE>

         The Exercise Price may be paid in cash, by check or by the surrender to
the Company of that number of the Common Shares which is calculated by (A)
multiplying (i) the total number of Common Shares by (ii) the Exercise Price,
and (B) dividing the product by the then-current inside offer, on the date of
exercise, of the Common Shares (the "Cashless Exercise Price"). The Cashless
Exercise Price may be tendered pro rata by the holder or holders of less than
all the Common Shares hereunder as the case may be.

         Upon exercise of these Warrants, the form of election attached hereto
must be duly executed and the instructions for registration of the Common Shares
acquired by such exercise must be completed. If the subscription rights
represented hereby shall not be exercised at or before 5:00 p.m., Eastern Time,
on the Termination Date, then, from and after such date and time, this Warrant
shall become and be void without further force or effect, and all rights
represented hereby shall cease and expire.

         The registered Holder of this Warrant, by its acceptance hereof, agrees
that it will not sell, transfer or assign or hypothecate this Warrant prior to
________________, 2001 to anyone other than an officer or partner of such Holder
or other firm(s) which shall have participated in the public offering of SFBC
securities (SEC File No. 333-85429) to which this Warrant relates. Subsequent to
that date, this Warrant may be assigned by the Holder in whole or in part by
execution by the Holder of the form of assignment, a copy of which is attached
hereto, to certain persons, including dealers or their officers or partners. In
the event of any assignment made as aforesaid, the Company, upon request and
surrender of this Warrant by the Holder at the principal office of the Company
accompanied by payment of all transfer taxes, if any, payable in connection
therewith, shall transfer this Warrant on the books of the Company and shall
execute and deliver a new Warrant or Warrants of like tenor to the appropriate
assignee expressly evidencing the right to purchase the aggregate number of
Common Shares purchasable hereunder or such portion of such aggregate number as
shall be contemplated by any such agreement.

         Notwithstanding anything herein to the contrary, each certificate for
securities purchased under this Warrant shall bear a legend as follows:

         "The securities represented by this certificate have not been
         registered under the Securities Act of 1933 (the "Act"). The securities
         may not be offered for sale, sold or otherwise transferred except
         pursuant to an effective registration statement under the Act, or
         pursuant to an exemption from registration under the Act, the
         availability of which is to be established to the satisfaction of the
         Company."

         The Warrant Holder agrees for itself and all subsequent owners, that
before any disposition is made of any securities purchased pursuant to the
Warrant, the owner shall give written notice to the Company describing briefly
the manner of any such proposed disposition. The securities shall not be
transferred unless and until (i) the Company has received the opinion of counsel
for such owners that the securities may be sold pursuant to an exemption from
registration under the Securities Act of 1933, as amended (the "1933 Act"), or
(ii) a Registration Statement relating to such securities has been filed by

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<PAGE>

the Company and made effective by the Securities and Exchange Commission (the
"Commission").

         Subject to the above, this Warrant may be exercised or assigned in
whole or in part. In the event of the exercise or assignment hereof in part
only, upon surrender of this Warrant for cancellation, together with the duly
executed exercise or assignment and funds sufficient to pay any transfer tax,
the Company shall cause to be delivered to the Holder without charge a new
Warrant of like tenor to this Warrant in the name of the Holder evidencing the
right of the Holder to purchase the number of Common Shares purchasable
hereunder as to which this Warrant has not been exercised or assigned.

         Upon receipt of the Company of evidence satisfactory to it of the loss,
theft, destruction or mutilation of this Warrant and of reasonably satisfactory
indemnification, the Company shall execute and deliver a new Warrant of like
tenor and date. Any such new Warrant executed and delivered as a result of such
loss, theft, mutilation or destruction shall constitute an additional
contractual obligation on the part of the Company.

         The Company, upon request of the then Holder(s) of a majority of the
outstanding Warrants, and subject to the availability of audited financial
statements which would comply with Regulation S-B, S-K or S-X under the 1933
Act, agrees to register expeditiously, on one separate occasion, the Warrants
and the Common Shares underlying the Warrants and will file on such occasion a
registration statement, or Notification under Form 1-A, under the 1933 Act,
covering such Warrant or the Common Shares underlying the Warrant within twenty
business days after receipt of such request. Such request must be made at any
time during a period of four years beginning one year from the effective date of
the offering. In connection with the request, the Company shall bear all
expenses, one time only, attendant to registering the securities. The Company
agrees to use its best efforts to cause the filing required herein to become
effective to qualify or register the Warrants and/or the Common Shares
underlying the Warrants. In addition, for a period of four years beginning one
year after the effective date of the offering, the holders of the Warrants shall
have the right on two occasions to include such securities as part of any other
registration of securities, other than on Forms S-4, S-8 or other inappropriate
form, filed by the Company and the Company agrees to give the holders thereof
not less than forty days written notice thereof, including any terms or
conditions, prior to the filing of any such registration statement with the
Commission.

         The Company will also cooperate with the then Holder(s) of the or
Warrants issued upon the exercise of the Warrants in preparing and signing any
Registration Statement or Notification, in addition to the registration rights
hereinabove provided, required in order to sell or transfer the Common Shares,
Common Shares underlying this Warrant and will supply all information required
therefor; but such additional Registration or Notification shall be at the then
Holder(s) cost and expense. The Company's agreements with respect to
registration of the securities will continue in effect regardless of the
exercise or surrender of this Warrant.

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<PAGE>

         In no event shall this Warrant (or the securities issuable upon full or
partial exercise hereof) be offered or sold except in conformity with the 1933
Act.

         This Warrant shall be governed by, and construed in accordance with,
the laws of the State of New York, without regard to its conflicts of laws
principles or rules.

         IN WITNESS WHEREOF, the Company has caused this Warrant to be signed as
of this _______ day of _________________, 2000.

                                            SFBC INTERNATIONAL, INC.

                                            By:________________________________
                                                     President

                                            By:________________________________
                                                     Secretary

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<PAGE>

                                     ANNEX I

                            SFBC INTERNATIONAL, INC.

                         STATEMENT OF RIGHTS OF WARRANTS

         (a) In the event, prior to the expiration of the Warrant to which this
Statement of Rights is attached ("Warrant") by exercise or by its terms, the
Company shall issue any of its Common Shares as a share dividend or shall
subdivide the number of outstanding Common Shares into a greater number of
shares, then, in either of such events, the then applicable Exercise Price per
Common Share purchasable pursuant to this Warrant in effect at the time of such
action shall be reduced proportionately and the number of shares of the Common
Shares at that time purchasable pursuant to this Warrant shall be increased
proportionately; and, conversely, in the event that the Company shall reduce the
number of outstanding Common Shares by combining such shares into a smaller
number of shares, then, in such event, the then applicable Exercise Price per
Common Share purchasable pursuant to this Warrant in effect at the time of such
action shall be increased proportionately and the number of Common Shares at
that time purchasable pursuant to this Warrant proportionately shall be
decreased. Any dividend paid or distributed upon the Common Shares in shares of
any other class of the Company or securities convertible into Common Shares
shall be treated as a dividend paid in Common Shares to the extent that the
Common Shares are issuable upon the conversion thereof.

         (b) In the event, prior to the expiration of this Warrant by exercise
or by its terms, the Company shall be recapitalized by reclassifying its
outstanding Common Shares (other than into shares with a different par value, or
by changing its outstanding Common Shares to Shares without par value), or in
the event the Company or a successor corporation shall consolidate or merge with
or convey all or substantially all of its, or of any successor corporation's,
property and assets to any other corporation or corporations (any such other
corporation being included within the meaning of the term "successor
corporation" hereinbefore used in the context of any consolidation or merger of
any other corporation with, or the sale of all or substantially all of the
property of any such other corporation to, another corporation or corporations),
or in the event of any other material change in the capital structure of the
Company or of any successor corporation by reason of any reclassification,
reorganization, recapitalization, consolidation, merger, conveyance or
otherwise, then, as a condition of any such reclassification, reorganization,
recapitalization, consolidation, merger or conveyance, a prompt, proportionate,
equitable, lawful and adequate provision shall be made whereby the Holder of
this Warrant shall thereafter have the right to purchase, upon the basis and the
terms and conditions specified in this Warrant, in lieu of the securities of the
Company theretofore purchasable upon the exercise of this Warrant, such shares,
securities or assets as may be issued or payable with respect to or in exchange
for the number of securities of the Company

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<PAGE>

theretofore purchasable upon the exercise of this Warrant had such
reclassification, reorganization, recapitalization, consolidation, merger or
conveyance not taken place; and in any such event, the rights of the Holder of
this Warrant to any adjustment in the number of Common Shares purchasable upon
exercise of this Warrant, as hereinbefore provided, shall continue and be
preserved in respect of any shares, securities or assets which the Holder
becomes entitled to purchase. Notwithstanding anything herein to the contrary,
the provisions of this paragraph (b) shall not apply to a merger with a
subsidiary provided the Company is the continuing corporation and provided
further such merger does not result in any reclassification, capital
reorganization or other change of the securities issuable under this Warrant.
The foregoing provisions of this paragraph (b) shall apply to successive
reclassifications, capital reorganizations and changes of securities and to
successive consolidation, mergers, sales or conveyances.

         (c) In the event the Company, at any time while this Warrant shall
remain unexpired and unexercised, shall sell all or substantially all of its
property, or dissolves, liquidates, or winds up its affairs, prompt,
proportionate, equitable, lawful and adequate provision shall be made as part of
the terms of any such sale, dissolution, liquidation, or winding up such that
the Holder of this Warrant may thereafter receive, upon exercise hereof, in lieu
of the securities of the Company which it would have been entitled to receive,
the same kind and amount of any shares, securities or assets as may be issuable,
distributable or payable upon any such sale, dissolution, liquidation or winding
up with respect to each Common Share of the Company; provided, however, that in
the event of any such sale, dissolution, liquidation or winding up, the right to
exercise this Warrant shall terminate on a date fixed by the Company, such date
so fixed to be not earlier than 5:00 p.m., Eastern Time, on the 45th day next
succeeding the date on which notice of such termination of the right to exercise
this Warrant has been given by mail to the Holder of this Warrant at such
Holder's address as it appears on the books of the Company.

         (d) If the Company should at any time or from time to time hereafter
issue or sell any Common Shares (other than the Common Shares which may be
purchased under this Warrant) without consideration or for a consideration per
share less than the portion of the Exercise Price allocable per Common Share
therein in effect immediately prior to the time of such issue or sale, then
forthwith upon such issue or sale, the Exercise Price shall be adjusted to a
price (computed to the nearest cent) determined by dividing the sum of (i) the
number of Common Shares outstanding immediately prior to such issue or sale
multiplied by the Exercise Price in effect immediately prior to such issue or
sale, and (ii) the consideration, if any, received by the Company upon such
issue or sale, by the total number of Common Shares outstanding immediately
after such issue or sale. For purposes of this paragraph (d), the following
provisions (1) to (5) shall also be applicable.

                  (1) In case at any time hereafter the Company shall in any
         manner grant any right to subscribe for or to purchase, any option for
         the purchase of Common Shares or any stock or other securities
         convertible into or exchangeable for Common Shares (such convertible or
         exchangeable stock or securities being hereinafter referred to as
         "Convertible Securities") other than those comprising a

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<PAGE>

         portion of this Warrant, and the minimum price per share for the Common
         Shares, pursuant to such rights or option or upon conversion or
         exchange of such Convertible Securities (determined by dividing (i) the
         total amount, if any, received or receivable by the Company as
         consideration for the granting of such rights or options, plus the
         minimum aggregate amount of additional consideration payable to the
         Company upon the exercise of such rights or options, plus, in the case
         of such Convertible Securities, the minimum aggregate amount of
         additional consideration, if any, payable upon the conversion or
         exchange thereof, by (ii) the total maximum number of Common Shares
         issuable pursuant to such rights or options or upon the conversion or
         exchange of the total maximum amount of such Convertible Securities
         issuable upon the exercise of such rights or options) shall be less
         than the Exercise Price in effect immediately prior to the time of the
         granting of such rights or options, then the total maximum number of
         Common Shares issuable pursuant to such rights or options or upon
         conversion or exchange of the total maximum amount of such Convertible
         Securities issuable upon the exercise of such rights and options shall
         (as of the date of granting of such rights or options) be deemed to be
         outstanding and to have been issued for said price per share as so
         determined; provided, that no further adjustment of the Exercise Price
         shall be made upon the actual issue of Common Shares so deemed to have
         been issued; and further provided, that, upon the expiration of such
         rights (including rights to convert or exchange) or options, (A) the
         number of Common Shares deemed to have been issued and outstanding by
         reason of the fact that they were issuable pursuant to such rights or
         options (including rights to convert or exchange) were not exercised,
         shall no longer be deemed to be issued and outstanding; and (B) the
         Exercise Price shall forthwith be adjusted to the price which would
         have prevailed had all adjustments been made on the basis of the issue
         only of the Common Shares actually issued upon the exercise of such
         rights or options or upon conversion or exchange of such Convertible
         Securities.

                  (2) In case the Company shall in any manner issue or sell any
         Convertible Securities, and the minimum price per share for which such
         Common Shares are issuable upon conversion or exchange of such
         Convertible Securities (determined by dividing (i) the total amount
         received or receivable by the Corporation as consideration for the
         issue or sale of such Convertible Securities, plus the minimum
         aggregate amount of additional consideration, if any, payable to the
         Company upon the conversion or exchange of all such Convertible
         Securities by (ii) the total maximum number of Common Shares issuable
         upon the conversion or exchange of all such Convertible Securities)
         shall be less than the Exercise Price in effect immediately prior to
         the time of such issue or sale, then the total maximum number of Common
         Shares issuable upon conversion or exchange of all such Convertible
         Securities shall (as of the date of the issue or sale of such
         Convertible Securities) be deemed to be outstanding and to have been
         issued for said price per share as so determined; provided, that no
         further adjustment of the Exercise Price shall be made upon the actual
         issue of Common Shares so deemed to have been issued; and, further
         provided, that if any such issue or sale of such Convertible Securities
         is made upon exercise of any right to

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<PAGE>

         subscribe for or to purchase or any option to purchase any such
         Convertible Securities for which an adjustment of the Exercise Price
         has been or is to be made pursuant to other provisions of this
         paragraph (d) no further adjustment of the Exercise Price shall be made
         by reason of such issue or sale; and, further provided, that, upon the
         termination of the right to convert or to exchange such Convertible
         Securities for Common Shares, (A) the number of Common Shares deemed to
         have been issued and outstanding by reason of the fact that they were
         issuable upon conversion or exchange of any such Convertible
         Securities, which were not so converted or exchanged, shall no longer
         be deemed to be issued and outstanding, and (B) the Exercise Price
         shall forthwith be adjusted to the price which would have prevailed had
         all adjustments been made on the basis of the issue only of the number
         of Common Shares actually issued upon conversion or exchange of such
         Convertible Securities.

                  (3) In case any Common Shares or Convertible Securities or any
         rights or options to purchase any such stock or securities shall be
         issued solely for cash, the consideration received therefor, after
         deducting therefrom any commission or other expenses paid or incurred
         by the Company for any underwriting of, or otherwise in connection
         with, the issuance thereof, shall be deemed to be the amount received
         by the Company therefor. In case any Common Shares or Convertible
         Securities or any rights or options to purchase any such stock or
         securities shall be issued for a consideration part or all of which
         shall be other than cash, then, for the purpose of this paragraph (d),
         the Board of Directors of the Company shall determine the fair value of
         such consideration, which is not cash, irrespective of accounting
         treatment, and such Common Shares, Convertible Securities, rights or
         options shall be deemed to have been issued for an amount of cash equal
         to the value of such consideration other than cash so determined by the
         Board of Directors plus any cash received therefor. The
         reclassification of securities other than Common Shares into securities
         including Common Shares shall be deemed to involve the issuance for a
         consideration other than cash of such Common Shares immediately prior
         to the close of business on the date fixed for the determination of
         securities holders entitled to receive such Common Shares. In case any
         Common Shares or Convertible Securities or any rights or options to
         purchase any such stock or other securities shall be issued together
         with other stock or securities or other assets of the Company for a
         consideration which includes both, the Board of Directors of the
         Company shall determine what part of the consideration so received is
         to be deemed to be consideration for the issue of such Common Shares,
         Convertible Securities, rights or options.

                  (4) For purposes of paragraphs (a) and (d), in case the
         Company shall take a record of the holders of any Common Shares for the
         purpose of entitling them (i) to receive a dividend or other
         distribution payable in Common Shares or in Convertible Securities, or
         (ii) to subscribe for or purchase Common Shares or Convertible
         Securities, then such record date shall be deemed to be the date of the
         issue or sale of the Common Shares deemed to have been issued or sold
         upon the

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<PAGE>

         declaration of such dividend or the making of such other distribution
         or the date of the granting of such right of subscription or purchase,
         as the case may be.

                  (5) For the purpose of this paragraph (d), Common Shares at
         any relevant time owned or held by, or for the account of, the Company
         shall not be deemed outstanding.

         Anything in this paragraph (d) or paragraph (a), above, to the contrary
notwithstanding, The Company shall not be required to give effect to any
adjustment in the Exercise Price of less than one cent, but when the cumulative
net effect of more than one adjustment so determined shall be to change the
actual Exercise Price by at least one cent, such change in the Exercise Price
shall thereupon be given effect.

         (e) Upon any exercise of this Warrant by the Holder, the Company shall
not be required to deliver fractions of any securities; but prompt,
proportionate, equitable, lawful and adequate adjustment in the Exercise Price
payable by the Holder shall be made in respect of any such fraction of any
securities on the basis of the Exercise Price then applicable upon the exercise
of this Warrant.

         (f) In the event, prior to the expiration of this Warrant by exercise
or by its terms, the Company shall determine to take a record of its securities
holders for the purpose of determining securities holders entitled to receive
any share dividend, distribution or other right which will cause any change or
adjustment in the number, amount, price or nature of the Common Shares or other
shares, securities or assets deliverable upon the exercise of this Warrant
pursuant to the foregoing provisions, the Company shall specify the date as of
which such record is to be taken; the purpose for which such record is to be
taken; and the number, amount, price and nature of the Common Shares or other
shares, securities or assets which will be deliverable upon exercise of this
Warrant after the action for which such record will be taken has been
consummated.

         (g) The Company may deem and treat the registered Holder of this
Warrant at any time as the absolute owner hereof for all purposes, and the
Company shall not be affected by any notice to the contrary.

         (h) Whenever the Exercise Price shall be adjusted as required by the
provisions of paragraphs (a) or (d) hereof, the Company shall forthwith file in
the custody of its Secretary or Assistant Secretary at its principal office, and
with its stock transfer agent, if any, an officer's certificate showing the
adjusted Exercise Price determined as herein provided and setting forth in
reasonable detail the facts requiring such adjustment. Each such officer's
certificate shall be made available at all reasonable times for inspection by
the Holder and the Company shall, forthwith after each such adjustment, deliver
a copy of such certificate to the Holder. Such certificate shall be conclusive
as to the correctness of such adjustment.

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<PAGE>

         (i) This Warrant shall not entitle the Holder hereof to any of the
rights of shareholders or to any dividend declared upon the Common Shares unless
the Holder shall have exercised this Warrant and purchased the Common Shares
prior to the record date fixed by the Board of Directors of the Company for the
determination of holders of Common Shares entitled to such dividend or other
right.

         (j) This Warrant is subject in all respects to the terms and provisions
of that certain Underwriting Agreement dated _____________, 2000, by and between
the Company and HD Brous & Co., Inc., the Representative of the several
underwriters therein and the initial Holder hereof, relating to a public
offering of the Company's shares of Common Stock.

                                       10
<PAGE>

                      FORM TO BE USED TO EXERCISE WARRANT:

                            SFBC International, Inc.
                            11190 Biscayne Boulevard
                              Miami, FL 33181-3405

Date:______________, 20__

                  The Undersigned hereby elects irrevocably to exercise the
Warrant granted to it by that certain Representative's Warrant dated
____________________, 2000 and to purchase _______ Shares of SFBC International,
Inc. called for thereby, and hereby makes payment of $________________ (at the
rate of $__________ per Share) in payment of the Exercise Price pursuant thereto
or the surrender herewith of the Warrant to purchase _______ Shares in
consideration of the Cashless Exercise Price pursuant thereto, as the case may
be. Please issue the Shares as to which this Warrant is exercised in accordance
with the instructions given below.

                           ----------------------------------
                           Signature

                           -----------------------------------
                           Signature Guaranteed

INSTRUCTIONS FOR REGISTRATION OF COMMON SHARES

Name________________________________________________________
                           (Print in Block Letters)

Address______________________________________________________

FEIN #_______________________________________________________

                                       11
<PAGE>

                       FORM TO BE USED TO ASSIGN WARRANT:

                                   ASSIGNMENT

                  (To be executed by the registered Holder to effect a transfer
of the within Warrant:)

                  FOR VALUE RECEIVED,_________________________________ does
hereby sell, assign and transfer unto______________________________ the right to
purchase ____________ Shares of SFBC International, Inc. evidenced by that
certain Warrant dated ________________________ and does hereby irrevocably
constitute and appoint ____________________________ attorney to transfer such
right on the books of such Company with full power of substitution in the
premises.

Dated:  ________________, 20__.

                                    ------------------------------
                                    Signature

                                    ------------------------------
                                    Signature Guaranteed

                  NOTICE: The signature to the form to exercise or form to
assign must correspond with the name as written upon the face of the within
Warrant in every particular without alteration or enlargement or any change
whatsoever, and must be guaranteed by a bank, other than a savings bank, or by a
trust company or by a firm having membership on a registered national securities
exchange.

                                       12EXHIBIT 10.1

                       AMENDMENT NO. 3 TO CREDIT AGREEMENT

         This AMENDMENT NO. 3 TO CREDIT AGREEMENT (the "Amendment") is made and
entered as of the 23rd day of June, 2000, by and among HEICO CORPORATION, a
Florida corporation (together with its successors and permitted assigns,
"Borrower"), the lenders which are or may in the future be listed on the
signature pages to the Credit Agreement (as hereinafter defined), as amended,
and hereto (together with their successors and permitted assigns, individually a
"Lender" and collectively, the "Lenders"), and SUNTRUST BANK (formerly known as
SunTrust Bank, South Florida, National Association), as agent for the Lenders
(together with any successor agent appointed pursuant to the provisions of the
Credit Agreement, the "Agent").

                                   BACKGROUND

         The Borrower, the Lenders and the Agent are parties to a Credit
Agreement dated as of July 30, 1998, as amended by Amendment No. 1 to Credit
Agreement, dated as of July 30, 1998, and as further amended by Amendment No. 2
to Credit Agreement, dated as of May 12, 1999 (the "Credit Agreement"); the
Lenders listed on the signature pages hereto other than SunTrust Bank (formerly
known as SunTrust Bank, South Florida, National Association) ("SunTrust") became
Lenders and parties to the Credit Agreement pursuant to Assignment And
Acceptance Agreements, each dated October 7, 1998, between SunTrust and such
respective Lenders; and

         The Borrower has requested, and the Lenders have determined, by
unanimous decision of all of the Lenders signatory hereto, to extend the
Revolving Credit Termination Date for one (1) additional year on the terms and
conditions set forth in the Credit Agreement, as amended hereby; and all of the
parties now desire to amend the Credit Agreement and to set forth the terms of
such consent as provided herein.

         NOW, THEREFORE, in consideration of the premises and the mutual
agreements, covenants, and conditions herein, Borrower, the Lenders, and Agent
agree as follows:

         1. The Definition of "Revolving Credit Termination Date" under Section
1.1 (Defined Terms) of the Credit Agreement shall be amended to provide in its
entirety as follows:

                  "Revolving Credit Termination Date" means July 30, 2003 (or
                  such later date as may be agreed to by the Lenders) or, if
                  such day is not a Business Day, the next succeeding Business
                  Day, or such earlier date on which all amounts outstanding
                  hereunder and under the Revolving Credit Notes shall be due
                  and payable pursuant to the terms hereof.

         2. The definition of "Guarantors" under Section 1.1 (Defined Terms) of
the Credit Agreement shall be amended to provide in its entirety as follows:

         "Guarantor(s)" means individually and collectively, all present and all
         hereafter acquired or formed direct or indirect Subsidiaries of the
         Borrower, with the current Subsidiaries set forth on Schedule 1 hereto.
         As each new entity becomes a Subsidiary, the Borrower agrees that
         Schedule 1 will be deemed automatically amended without further action
         to include such entity, provided, however, the failure to include an
         entity on such schedule

<PAGE>

         shall not affect the status of an entity as a Subsidiary or Guarantor.
         All Guarantors jointly and severally guarantee the payment, collection
         and performance of all of the Obligations.

         3. Continuing Full Force and Effect of Credit Agreement. Except as
amended by this Amendment, the Credit Agreement remains in full force and
effect, without change, modification or amendment thereto.

         4. Counterparts; Faxed Signatures; Effective Date. This Amendment may
be executed in multiple counterparts, and by facsimile transmission of signed
counterparts, in any number, each of which shall be deemed an original, no one
of which need contain all of the signatures of the parties, and as many of such
counterparts as shall together contain all of the signatures of the parties
shall be deemed to constitute one and the same instrument. A set of the
counterparts of this Amendment signed by all parties hereto shall be lodged with
Agent. This Amendment shall become effective upon receipt by Agent of original
signed counterparts or facsimile confirmation of signed counterparts of this
Amendment, each of which shall be deemed an original, from each of the parties
hereto.

         IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be
duly executed and delivered by their duly authorized officers as of the day and
year first above written.

                                 SIGNATURE PAGE

         Amendment No. 3 to Credit Agreement among HEICO Corporation, SunTrust
Bank, as Agent, and the Lenders party thereto.

Witness:                                HEICO CORPORATION,
                                        a Florida corporation

                                        By:
---------------------------                ------------------------------------
                                        Name:  Thomas S. Irwin
                                        Title: Executive Vice President and
                                        Chief Financial Officer

                                                                         (SEAL)

                                        Address:
                                          HEICO CORPORATION
                                          3000 Taft Street
                                          Hollywood, FL  33021
                                          Attn: Thomas S. Irwin
                                                Executive Vice President and
                                                Chief Financial Officer

                                          Fax No. (954) 987-8228
                                          Confirming Tel. No. (954) 987-4000

<PAGE>

                                 SIGNATURE PAGE

         Amendment No. 3 to Credit Agreement among HEICO Corporation, SunTrust
Bank, as Agent, and the Lenders party thereto.

Witness:                                SUNTRUST BANK (formerly known as
                                        SunTrust Bank, South Florida,
                                        National Association),
                                        a Georgia banking corporation,
                                        as Agent

                                        By:
---------------------------                ------------------------------------
                                        Name:
                                        Title:

                                        Address of Lending Office for Notice:
                                          501 East Las Olas Boulevard, 7th Floor
                                          Corporate Banking Division
                                          Fort Lauderdale, FL  33301
                                          Attn: Carol F. Fine
                                                Vice President
                                                Corporate & Investment Banking

                                          Fax No.  (954) 765-7240
                                          Confirming Tel. No. (954) 765-7151

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