SIXTH ALLONGE TO
                             SECURED PROMISSORY NOTE

     ALLONGE, dated August 9, 1999, attached to and forming a part of the
Secured Promissory Note, dated January 26, 1999, as amended by the Allonge to
Secured Promissory Note dated January 29, 1999, the Second Allonge to Secured
Promissory Note dated March 19, 1999, the Third Allonge to Secured Promissory
Note dated March 24, 1999, the Fourth Allonge to Secured Promissory Note dated
May 10, 1999, and the Fifth Allonge to Secured Promissory Note dated July 16,
1999 (collectively, the "Note"), made by THE NETWORK CONNECTION, INC., a Georgia
corporation ("Maker"), payable to the order of Interactive Flight Technologies,
Inc., a Delaware corporation ("Payee") in the original principal amount of
$500,000 and in the current principal amount of $2,645,007.

     1. In consideration of the cancellation of the notes referred to on Annex I
attached to this Allonge which were issued by Maker, have been acquired by
Payee, and are in the aggregate principal amount of Three Hundred Fifty Thousand
Dollars ($350,000), with interest, redemption premiums, and other charges
incurred but unpaid thereon to the date hereof totaling One Hundred Twenty Seven
Thousand Seven Hundred Fifty Dollars ($127,750) (the "Series D Notes"), the
principal amount of the Note is hereby increased to Three Million One Hundred
and Twenty Two Thousand and Seven Hundred Fifty Seven Dollars ($3,122,757).
Accordingly, the first paragraph of the Note is hereby amended as follows:

          FOR VALUE RECEIVED, the undersigned, The Network Connection,
          Inc., a Georgia corporation (the "Maker"), hereby promises
          to pay to the order of Interactive Flight Technologies,
          Inc., a Delaware corporation, its successors and assigns
          (the "Payee"), the principal sum of Three Million One
          Hundred Twenty-Two Thousand Seven Hundred Fifty-Seven
          Dollars ($3,122,757), together with interest on the
          outstanding principal balance thereof accrued from the date
          hereof: (a) at the fixed rate of 9.5% per annum in respect
          of all periods during which no Event of Default (as such
          term is hereinafter defined) is continuing; and (b) at the
          fixed rate of 12.5% in respect of all periods during which
          any Event of Default is continuing. All payments of
          principal and/or interest shall be paid in lawful money of
          the United States of America in immediately available funds
          to an account designated by Payee.

     2. Any agreement to subordinate, or any subordination, of the indebtedness
represented by the Note to bank or finance company indebtedness, which may
heretofore have been given by Payee, is null and void and of no force or effect.
Maker represents and warrants to Payee that since execution of the Note, Payee
retains a first priority security interest in the Collateral granted by Maker to
Payee pursuant to that certain Security Agreement dated January 25, 1999 as
amended, ("Security Agreement"). The Maker's obligations under the Note, as
amended hereby, shall be and be deemed to be secured by the Collateral and
subject to the terms of the Security Agreement, all of which are confirmed and
ratified as of the date hereof, including, but not limited to, all of the
representations, warranties and covenants therein.


<PAGE>


     3. In all other respects, the Note is confirmed, ratified, and approved
and, as amended by this Fifth Allonge, shall continue in full force and effect,
subject to the waivers provided by Payee contained in the Fourth Allonge.

     IN WITNESS WHEREOF, Maker and Payee have caused this Sixth Allonge to be
executed and delivered by their respective duly authorized officers as of the
day and year first above written.

                                          THE NETWORK CONNECTION INC.


                                          By:
                                              ---------------------------------


                                          Accepted and agreed to:


                                          INTERACTIVE FLIGHT TECHNOLOGIES, INC.


                                          By:
                                              ---------------------------------


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<PAGE>


                                     Annex I

                 Series D Notes of the Network Connection, Inc.

<TABLE>
<CAPTION>

Date of Note             Original Payee               Principal Amount       Transferred to
------------             --------------               ----------------       --------------
<S>                      <C>                          <C>                    <C>
October 20, 1998         Robert E. Benninger, Jr.        $100,000            XCEL Capital LLC on
                         and Sara Anne Benninger                             April 13, 1999

October 20, 1998         Will D. Brantley                $150,000            XCEL Capital LLC
                                                                             on April 23, 1999

October __, 1998         Elaine Martin                   $100,000            Not Transferred
                                                         --------
TOTAL                                                    $350,000
                                                         ========
</TABLE>

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