SUBSCRIPTION AGREEMENT

     SUBSCRIPTION  AGREEMENT made as of March 31, 2000 between NAVTECH,  INC., a
Delaware corporation (the "Company"), and ROBERT N. SNYDER (the "Subscriber").

     WHEREAS, the Company desires to issue to the Subscriber, and the Subscriber
desires to acquire  from the  Company,  units (the  "Units")  consisting  in the
aggregate of five hundred thousand  (500,000) shares of Common Stock,  $.001 par
value per share  (the  "Common  Shares"),  of the  Company,  and  warrants  (the
"Warrants") to purchase one hundred and twenty five thousand (125,000) shares of
Common Stock (the  "Warrant  Shares") of the  Company,  upon the terms set forth
herein.

     NOW, THEREFORE,  for and in consideration of the mutual representations and
covenants hereinafter set forth, the parties hereto do hereby agree as follows:

1.   Subscription for the Units; Right to Designate Nominee.

     1.1  Subject  to the  terms  and  conditions  hereinafter  set  forth,  the
Subscriber  hereby  irrevocably  subscribes  for and agrees to acquire  from the
Company,  and the  Company  agrees  to sell to the  Subscriber,  the Units at an
aggregate  purchase  price of five  hundred  thousand  dollars  ($500,000).  The
purchase  price is payable  contemporaneously  herewith by certified  check made
payable to the order of the Company or by wire transfer to an account designated
by the  Company.  The  certificates  evidencing  the Common  Shares and Warrants
purchased by the  Subscriber  will be delivered by the Company to the Subscriber
as soon as practicable following the execution hereof.

     1.2 The  Subscriber  will have the right to  designate  one  nominee to the
Board of  Directors  of the  Company,  which  nominee  shall  either be James P.
McGinty or another person reasonably acceptable to the Company. Such right shall
continue for so long as the  Subscriber  owns at least ten percent  (10%) of the
outstanding shares of Common Stock of the Company.  The nominee, if duly elected
to the Board of Directors, will be issued options under the Company's 1999 Stock
Option Plan to purchase twenty-five thousand (25,000) shares of the Common Stock
of the Company upon election to the Board.

2.   Representations by Subscriber.

     The Subscriber  understands  and agrees that the Company is relying and may
rely upon the following representations and warranties made by the Subscriber in
entering into this Agreement:

     2.1 The Subscriber recognizes that the acquisition of the Common Shares and
the Warrants  involves a high degree of risk and is suitable only for persons of
adequate  financial  means who have no need for liquidity in this  investment in
that  (i) he may  not be  able to  liquidate  his  investment  in the  event  of
emergency; (ii) transferability is extremely limited; and (iii) he could sustain
a complete loss of his investment.


<PAGE>



     2.2 The  Subscriber  represents  that he (i) is competent to understand and
does  understand  the  nature of this  investment;  and (ii) is able to bear the
economic risk of this investment.

     2.3 The Subscriber represents that he is an "accredited  investor," as such
term is defined in Rule 501 of Regulation D promulgated under the Securities Act
of 1933, as amended (the "1933 Act"),  as a result of  application to him of the
criteria set forth on Exhibit A attached hereto (please indicate on such Exhibit
A by a checkmark the one or more criteria which apply).

     2.4 The Subscriber  acknowledges  that he has significant  prior investment
experience,  including investment in restricted securities, and that he has read
all of the  documents  furnished  or made  available  by the  Company  to him to
evaluate the merits and risks of such an investment on his behalf.

     2.5 The  Subscriber  hereby  represents  that he has been  furnished by the
Company  with the  Company's  Annual  Report on Form  10-KSB for the fiscal year
ended  October  31,  1999 and  Quarterly  Report on Form  10-QSB  for the fiscal
quarter ended January 31, 2000 and all other  information  regarding the Company
which he had  requested or desired to know;  that all  documents  which could be
reasonably provided have been made available for his inspection and review; that
he has been afforded the  opportunity  to ask  questions of and receive  answers
from duly  authorized  representatives  of the Company  concerning the terms and
conditions  of  the  offering,  and  any  additional  information  which  he had
requested;  and that he has had the  opportunity  to consult with his own tax or
financial advisor concerning an investment in the Company.

     2.6 The Subscriber hereby  acknowledges that this offering of Common Shares
and Warrants has not been  reviewed by the  Securities  and Exchange  Commission
(the "SEC") because of the Company's representations that this is intended to be
a non-public  offering  pursuant to Section 4(2) of the 1933 Act and Rule 506 of
Regulation D promulgated  thereunder.  The Subscriber represents that the Common
Shares and Warrants are being  acquired for his own account,  for investment and
not for distribution or resale to others. The Subscriber agrees that he will not
sell, transfer or otherwise dispose of the Common Shares and/or Warrants, or any
portion  thereof,  unless  they are  registered  under the 1933 Act or unless an
exemption from such registration is available.

     2.7 The Subscriber consents that the Company may, if he desires, permit the
transfer of the Common Shares and/or  Warrants by the Subscriber out of his name
only when his  request  for  transfer  is  accompanied  by an opinion of counsel
satisfactory  to the Company  that  neither the sale nor the  proposed  transfer
results in a violation of the 1933 Act or any  applicable  state "blue sky" laws
(collectively,  "Securities  Laws").  The  Subscriber  agrees to be bound by any
requirements of such Securities Laws. The Subscriber  agrees to hold the Company
and  its  controlling  persons  and  their  respective  heirs,  representatives,
successors and assigns  harmless and to indemnify them against all  liabilities,
costs and expenses  incurred by them as a result of any sale or  distribution by
the  undersigned   Subscriber  in  violation  of  any  Securities  Laws  or  any
misrepresentation herein.
<PAGE>

     2.8 The Subscriber  acknowledges  and agrees that the Company is relying on
the  Subscriber's  representations  contained in this  Agreement in  determining
whether to accept this subscription.

     2.9  The  Subscriber   consents  to  the  placement  of  a  legend  on  the
certificates  evidencing  the Common Shares and Warrants  stating that they have
not  been  registered  under  the Act and  setting  forth  or  referring  to the
restrictions on transferability  and sale thereof.  The Subscriber is aware that
the Company will make a notation in its appropriate  records with respect to the
restrictions on the transferability of the Common Shares and Warrants.

     2.10 The  address  set forth  below is the  Subscribers's  true and correct
residence.

     2.11 The information  provided by the Subscriber  herein in connection with
this investment is accurate and complete as of the date of the execution of this
Subscription Agreement.

3.   Representations by the Company.

     3.1 The Company represents and warrants to the Subscriber as follows:

          (a) The Company is a corporation duly organized,  existing and in good
     standing  under the laws of the  State of  Delaware  and has the  corporate
     power to conduct its business.

          (b) The execution,  delivery and  performance of this Agreement by the
     Company has been duly approved by the Board of Directors of the Company.

          (c) The Common Shares have been duly and validly  authorized and, when
     issued  in  accordance  with the  terms  hereof,  will be duly and  validly
     authorized and issued, fully paid and nonassessable.

          (d) The Warrant Shares have been duly and validly authorized and, when
     issued upon exercise of the Warrants in accordance  with the terms thereof,
     will  be  duly  and  validly   authorized   and  issued,   fully  paid  and
     nonassessable.



<PAGE>
4.   Notices to Subscriber.

     4.1 Neither the Common  Shares,  nor the Warrants  nor the Warrants  Shares
have been  registered  under the 1933 Act, or the securities  laws of any state,
and  they  are  being  offered  and  sold in  reliance  on  exemptions  from the
registration  requirements  of the 1933 Act and such  laws.  Neither  the Common
Shares,  nor  the  Warrants  nor the  Warrants  Shares  have  been  approved  or
disapproved  by the SEC, any state  securities  commission  or other  regulatory
authority, nor have any of the foregoing authorities passed upon or endorsed the
merits of the offering. Any representation to the contrary is unlawful.

     4.2  The  Common  Shares,  Warrants  and  Warrant  Shares  are  subject  to
restrictions on transferability  and resale and may not be transferred or resold
except as permitted under the 1933 Act, and applicable  state  securities  laws,
pursuant to registration or exemption therefrom.  The Subscriber should be aware
that he may be required to bear the financial  risks of this  investment  for an
indefinite period of time.

5.   Investment Restrictions.

     5.1 The Subscriber acknowledges that there is limited public market for the
Common Shares.  The Subscriber  understands that, absent  registration under the
1933 Act, the Common Shares may only generally be publicly sold pursuant to Rule
144 (the "Rule")  promulgated  under the 1933 Act. The Rule permits,  subject to
all of its terms and  conditions,  the public  resale (in  limited  amounts)  of
securities  acquired  in  non-public  offerings  without  having to satisfy  the
registration  requirements of the 1933 Act. The Subscriber  further  understands
that the Company makes no representation  or warranty  regarding its fulfillment
in the future of any reporting requirements under the Securities Exchange Act of
1934, as amended, or its dissemination to the public of any current financial or
other  information  concerning  the  Company,  which  in most  circumstances  is
required by the Rule as one of the conditions of its availability;  however, the
Company  will use its best efforts to comply with such  reporting  requirements.
The Subscriber recognizes that, notwithstanding the existence of a public market
for the  Common  Shares,  he may not be able  to take  advantage  of the  resale
provisions  of the Rule and may be unable to  publicly  offer or sell any of the
Common Shares or Warrant Shares.

6.   Miscellaneous.

     6.1 Any  notice  or other  communication  given  hereunder  shall be deemed
sufficient if in writing and hand delivered or sent by first class mail, postage
prepaid,  or  overnight  mail,  addressed to the  Company,  c/o Navtech  Systems
Support Inc., 175 Columbia Street West, Suite 102, Waterloo,  Ontario Canada N2L
5Z5,  Attention:  Corporate  Secretary,  and to the  Subscriber  at his  address
indicated on the last page of this  Agreement.  Notices  shall be deemed to have
been given on the date of mailing,  except  notices of change of address,  which
shall be deemed to have been given when received.
<PAGE>

     6.2 This  Agreement  shall not be changed,  modified or amended except by a
writing  signed  by the  party  to be  charged,  and this  Agreement  may not be
discharged  except by performance  in accordance  with its terms or by a writing
signed by the party to be charged.

     6.3 This  Agreement  shall be binding  upon and inure to the benefit of the
parties hereto and to their  respective  successors and assigns.  This Agreement
sets forth the entire agreement and understanding  between the parties as to the
subject  matter  thereof  and  merges  and  supersedes  all  prior  discussions,
agreements and understandings of any and every nature between them.

     6.4 This Agreement and its validity,  construction and performance shall be
governed in all  respects by the laws of the State of  Delaware,  applicable  to
agreements to be performed wholly within the State of Delaware.

     6.5 This Agreement may be executed in counterparts.  Upon the execution and
delivery of this  Agreement by the  Subscriber,  this  Agreement  shall become a
binding  obligation of the  Subscriber  with respect to the  acquisition  of the
Units as herein provided.

     6.6  Only  upon  written  approval  and  acceptance  of  this  Subscription
Agreement by the Company shall the Company be obligated hereunder.

     6.7 All dollar amounts in this Agreement are United States dollars.

                  [remainder of page intentionally left blank]
                   ------------------------------------------



<PAGE>


     IN WITNESS WHEREOF,  the parties have executed this Agreement as of the day
and year written below.




                                           Name of Subscriber



                                           Signature of Subscriber



                                           Address of Subscriber



                                           Social Security Number of Subscriber



                                           Subscription Approved and Accepted:

                                           NAVTECH, INC.


                                           By:
                                              Name:
                                              Title:





<PAGE>


                                    EXHIBIT A

A.       For an individual (i.e.,  a natural person):
                ----------  ----

         _____1)    The  undersigned  had an  individual  income  in  excess  of
                    $200,000  (or in excess of $300,000  with his or her spouse)
                    in  each  of  the  past  two  years  and  has  a  reasonable
                    expectation of reaching the same income level in the current
                    year; or

         _____2)    The  undersigned  has an individual net worth,  or joint net
                    worth with his or her spouse, of more than $1,000,000.

          Note:For the purpose of  determining  net worth,  the  Subscriber  may
               include,  without  limitation,  the value of his or her  spouse's
               principal residence, home furnishings and automobiles.

B.       For a legal entity (i.e., other than a natural person):
               ------------  ----

         _____1)    The  undersigned  is (a) any bank,  as  defined  in  Section
                    3(a)(2) of the 1933 Act, or a 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  fiduciary
                    capacity;  (b) any broker or dealer  registered  pursuant to
                    Section  23 of  the  Securities  Exchange  Act of  1934,  as
                    amended (the "Exchange Act"); (c) any insurance company,  as
                    defined in Section 2(13) of the 1933 Act; (d) any investment
                    company  registered under the Investment Company Act of 1940
                    or a  business  development  company  as  defined in Section
                    310(c) or (d) of the Small Business  Investment Act of 1958;
                    (e) any plan  established  and  maintained  by a state,  its
                    political subdivisions,  or any agency or instrumentality of
                    a state or its  political  subdivisions,  or any  agency  or
                    instrumentality  of a state or its  political  subdivisions,
                    for the  benefit  of its  employees  if such  plan has total
                    assets in excess of $5,000,000;  or an employee benefit plan
                    within  the  meaning  of  the  Employee   Retirement  Income
                    Security Act of 1974 ("ERISA"),  if the investment  decision
                    is made by a plan fiduciary,  as defined in Section 3(21) of
                    ERISA, that 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; or

         ______ 2)  The undersigned is a "private business  development company"
                    as defined in Section 202(a)(22) of the Investment  Advisers
                    Act of 1940; or



<PAGE>


         ______ 3)  The  undersigned  is an  organization  described  in Section
                    501(c)(3)  of  the  Internal   Revenue  Code,   corporation,
                    Massachusetts or similar business trust, or partnership, not
                    formed for the  specific  purpose of making the  investment,
                    with total assets in excess of $5,000,000; or

         ______ 4)  The  undersigned is a trust,  with total assets in excess of
                    $5,000,000, not formed for the specific purpose of acquiring
                    the Units,  and the  purchase  of the units is directed by a
                    sophisticated  person as  described in Rule  506(b)(2)  (ii)
                    promulgated under the Exchange Act.

         ______ 5)  The  undersigned  is an entity  in which  all of the  equity
                    owners are accredited investors.


                                          CAMBRIDGE INFORMATION GROUP, INC.


                                          By:
                                          --------------------------------------
                                             Authorized Signatory


                                          Name and Title of Authorized
                                          Signatory (Please Print)