As filed with the Securities and Exchange Commission on December 19, 1997
                                                Registration No. 333-
   ------------------------------------------------------------------------

                      SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C. 20549

                                   FORM S-8

                            REGISTRATION STATEMENT
                                     Under
                          The Securities Act of 1933

                             Infodata Systems Inc.
   ------------------------------------------------------------------------
            (Exact name of registrant as specified in its charter)

             Virginia                              16-0954695
   ---------------------------------     ----------------------------------
   (State or other jurisdiction of         (IRS Employer Identification
    incorporation or organization)                    Number)

        12150 Monument Drive, Suite 400, Fairfax, Virginia  22033
   ------------------------------------------------------------------------
       (Address of Principal Executive Offices including Zip Code)

    INFODATA SYSTEMS INC. STOCK OPTION PLAN FOR AMBIA CORPORATION EMPLOYEES
   ------------------------------------------------------------------------
                             (Full title of plan)

                               James Ungerleider
                            Chief Executive Officer
                             Infodata Systems Inc.
                        12150 Monument Drive, Suite 400
                            Fairfax, Virginia 22033
                                (703) 934-5205
   ------------------------------------------------------------------------
           (Name, address and telephone number of agent for service)

                                  Copies to:

                             Arthur H. Bill, Esq.
                        Freedman, Levy, Kroll & Simonds
                   1050 Connecticut Avenue, N.W. (Suite 825)
                            Washington, D.C. 20036

                        CALCULATION OF REGISTRATION FEE

 =============================================================================
                                                    Proposed
  Title Of                            Maximum       Maximum         Proposed
 Securities      Amount To Be        Offering       Aggregate       Amount of
   To Be         Registered          Price Per      Offering       Registration
 Registered          (1)             Share (2)      Price (2)          Fee
 -----------------------------------------------------------------------------
   Common
 Stock, $.03
  par value      35,000 shares        $11.25        $393,750         $119.32
 =============================================================================

(1)  Plus an  indeterminate  number  of shares  of  Common  Stock  that may be
     issuable  by  reason  of  stock  splits,   stock   dividends  or  similar
     transactions  in  accordance  with Rule 416 under the  Securities  Act of
     1933.

<PAGE>

(2)  The amounts are based upon the average of the high and low prices for the
     Common  Stock as reported on the NASDAQ  SmallCap  Market on December 12,
     1997 and are used solely for the purpose of calculating the  registration
     fee  pursuant  to  paragraphs  (c) and  (h)(1)  of  Rule  457  under  the
     Securities Act of 1933.


                                    PART I

                      INFORMATION REQUIRED IN PROSPECTUS


     The information  called for in Part I of Form S-8 is not being filed with
or included in this Form S-8 (by  incorporation  by reference or otherwise) in
accordance  with the rules and  regulations  of the  Securities  and  Exchange
Commission (the "SEC").


                                    PART II


              INFORMATION REQUIRED IN THE REGISTRATION STATEMENT

Item 3.   INCORPORATION OF DOCUMENTS BY REFERENCE.

          The following  documents  previously  filed by Infodata Systems Inc.
(the "Company") (SEC File No. 0-10416) with the SEC pursuant to the Securities
Exchange Act of 1934 (the  "Exchange  Act") or the  Securities Act of 1933 are
incorporated  in this  Registration  Statement by reference and deemed to be a
part hereof:

     1.   The  Company's  Annual  Report  on Form  10-KSB  for the year  ended
          December 31, 1996.

     2.   The Prospectus,  dated December 18, 1997, contained in the Company's
          Registration  Statement  on Form SB-2 filed with the SEC on December
          18, 1997.

     3.   The  Company's  Quarterly  Reports on Form  10-QSB for the  quarters
          ended March 31, June 30 and September 30, 1997.

     4.   The  Company's  Current  Report on Form 8-K dated July 22, 1997,  as
          filed with the SEC on August 6, 1997,  and amended by Form 8-K/A No.
          1 filed with the SEC on October 6, 1997.

     5.   The  description of the Company's  Common Stock,  par value $.03 per
          share (the "Common Stock"),  contained in the Company's Registration
          Statement on Form 10, as filed with the SEC on April 30, 1982, under
          the Exchange Act.

          In addition, all documents filed by the Company pursuant to Sections
13(a),  13(c),  14 and  15(d)  of the  Exchange  Act  after  the  date of this
Registration  Statement and prior to the filing of a post-effective  amendment
which  indicates  that all  securities  offered hereby have been sold or which
deregisters all such securities then remaining  unsold,  shall be deemed to be
incorporated  in this  Registration  Statement by  reference  and to be a part
hereof from the date of filing of such documents;  PROVIDED, HOWEVER, that the
documents  enumerated  above or subsequently  filed by the Company pursuant to
Sections  13(a),  13(c),  14 and 15(d) of the Exchange Act in each year during
which the offering made by this  Registration  Statement is in effect prior to
the filing with the SEC of the Company's Annual Report on Form 10-KSB covering
such year shall not be deemed  incorporated by reference in this  Registration
Statement  and shall not be a part  hereof  from and after the  filing of such
Annual Report on Form 10-KSB.

          Any statement  contained in a document  incorporated or deemed to be
incorporated  by reference herein shall be deemed to be modified or superseded


                                       2

<PAGE>

for  purposes of this  Registration  Statement  to the extent that a statement
contained  herein or in any  subsequently  filed  document which also is or is
deemed to be  incorporated  by reference  herein  modifies or supersedes  such
statement.  Any such statement so modified or superseded  shall not be deemed,
except as so modified or superseded, to constitute a part of this Registration
Statement.

          The Company  hereby  undertakes  to provide  without  charge to each
person who has received a copy of the  prospectus  to which this  Registration
Statement relates, upon the written or oral request of any such person, a copy
of any or all the documents that have been or may be incorporated by reference
into this  Registration  Statement,  other  than  exhibits  to such  documents
(unless such exhibits are incorporated therein by reference).

Item 4.   DESCRIPTION OF SECURITIES.

          Not Applicable.

Item 5.   INTERESTS OF NAMED EXPERTS AND COUNSEL.

          Not Applicable.

Item 6.   INDEMNIFICATION OF DIRECTORS AND OFFICERS.

          Article 10 ("Article  10") of Chapter 9 of Title 13.1 of the Code of
Virginia (the  "Virginia  Code")  provides a Virginia  corporation  with broad
powers to indemnify  its officers and  directors in certain  circumstances  so
long as the  officer or director  (i)  conducted  himself in good faith,  (ii)
reasonably  believed that his conduct was in the best  interests,  or at least
not  opposed  to the best  interests,  of the  corporation  and  (iii)  had no
reasonable cause to believe that his conduct was unlawful;  provided, however,
that no  indemnification  shall be  available  in the  event  of or limit  the
liability of a director or officer for (i) any  proceeding  by or in the right
of the corporation in which the director or officer was adjudged liable to the
corporation;  (ii) any transactions from which the director or officer derived
an improper personal  benefit;  (iii) his willful  misconduct;  (iv) a knowing
violation  of the  criminal  law or of any  federal or state  securities  law,
including,  without  limitation,  any claim of  unlawful  insider  trading  or
manipulation  of the  market  for any  security;  or (v)  unlawful  payment of
dividends or other unlawful distributions.

          As permitted under Article 10 of the Virginia Code, Article 9 of the
Company's Articles of Incorporation provides that:

               The directors and officers of the Corporation shall not be
          liable for any damages in any  proceeding  brought by or in the
          name of the Corporation or its shareholders unless the director
          or officer engaged in willful misconduct or a knowing violation
          of the criminal law or of any federal or state  securities law,
          including,  without  limitation,  any claim of unlawful insider
          trading or manipulation of the market for any security.

Item 7.   EXEMPTION FROM REGISTRATION CLAIMED.

          Not Applicable.

Item 8.   EXHIBITS.


                                    3

<PAGE>

<TABLE>
<CAPTION>
 Exhibit
 Number          Description
 -------         -----------
<S>              <C>
 4(a)            Agreement  of Merger and Plan of  Reorganization  dated as of
                 July 22, 1997,  by and among  Infodata  Systems  Inc.,  AMBIA
                 Corporation,   Alan  Fisher  and  Razi  Mohiuddin,   Software
                 Partners,    Inc.   and   AMBIA    Acquisition    Corporation
                 (Incorporated  herein  by  reference  to  Exhibit  2  to  the
                 Registrant's  Current Report on Form 8-K dated July 22, 1997,
                 filed with the SEC on August 6, 1997, as amended and filed on
                 Form 8-K/A, No. 1 on October 6, 1997).

 5               Legal opinion,  dated  December 19, 1997, of Freedman,  Levy,
                 Kroll & Simonds,  counsel to the Company,  as to the legality
                 of shares offered.

 23(a)           Consent of Arthur Andersen LLP.

 23(b)           Consent of  Freedman,  Levy,  Kroll & Simonds.  (Included  in
                 Exhibit 5 hereto.)

 24              Power  of  Attorney.  (Included  on  signature  page  of this
                 Registration Statement.)
</TABLE>

Item 9.   UNDERTAKINGS.

           1.    The Company hereby undertakes:

                 (a)   To file, during any period in which offers or sales are
           being  made,  a  post-effective   amendment  to  this  Registration
           Statement:

                       (i)   To include  any  prospectus  required  by Section
                 10(a)(3) of the Securities Act of 1933;

                       (ii)  To reflect in the  prospectus any facts or events
                 arising  after  the  effective   date  of  the   Registration
                 Statement  (or  the  most  recent  post-effective   amendment
                 thereof) which, individually, or in the aggregate,  represent
                 a  fundamental  change  in the  information  set forth in the
                 Registration Statement;

                       (iii) To include any material  information with respect
                 to the plan of distribution  not previously  disclosed in the
                 Registration   Statement  or  any  material  change  to  such
                 information in the Registration Statement;

           PROVIDED,  HOWEVER, that paragraphs (a)(i) and (a)(ii) do not apply
           if the  information  required to be  included  in a  post-effective
           amendment by those  paragraphs  is  contained  in periodic  reports
           filed by the Company pursuant to Section 13 or Section 15(d) of the
           Securities  Exchange Act of 1934 that are incorporated by reference
           in the Registration Statement.

                 (b)   That,  for the  purpose of  determining  any  liability
           under  the  Securities  Act  of  1933,  each  such   post-effective
           amendment  shall  be  deemed  to  be a new  registration  statement
           relating to the  securities  offered  therein,  and the offering of
           such securities at that time shall be deemed to be the initial BONA
           FIDE offering thereof.

                 (c)   To   remove   from   registration   by   means   of   a
           post-effective  amendment any of the  securities  being  registered
           which remain unsold at the termination of the offering.


                                       4

<PAGE>

           2.    The  Company  hereby  undertakes  that,  for the  purpose  of
     determining  any liability  under the Securities Act of 1933, each filing
     of the Company's annual report pursuant to Section 13(a) or Section 15(d)
     of the Securities  Exchange Act of 1934 that is incorporated by reference
     in the  Registration  Statement shall be deemed to be a new  registration
     statement relating to the securities offered therein, and the offering of
     such  securities at that time shall be deemed to be the initial BONA FIDE
     offering thereof.

           3.    Insofar as indemnification  for liabilities arising under the
     Securities  Act of 1933  may be  permitted  to  directors,  officers  and
     controlling persons of the Company pursuant to the foregoing  provisions,
     or  otherwise,  the Company has been  informed that in the opinion of the
     Securities  Exchange  Commission such  indemnification  is against public
     policy as  expressed in the Act and is  therefore  unenforceable.  In the
     event that a claim for  indemnification  against such liabilities  (other
     than  the  payment  by the  Company  of  expenses  incurred  or paid by a
     director,  officer or controlling person of the Company in the successful
     defense of any action,  suit or proceeding) is asserted by such director,
     officer or controlling  person in connection  with the  securities  being
     registered,  the Company  will,  unless in the opinion of its counsel the
     matter has been settled by  controlling  precedent,  submit to a court of
     appropriate  jurisdiction the question whether such indemnification by it
     is against  public policy as expressed in the  Securities Act and will be
     governed by the final adjudication of such issue.


                                       5

<PAGE>

                                  SIGNATURES

     Pursuant  to  the  requirements  of  the  Securities  Act  of  1933,  the
Registrant  certifies that it has reasonable  grounds to believe that it meets
all the  requirements  for  filing  on  Form  S-8 and  has  duly  caused  this
Registration  Statement  to be  signed  on  its  behalf  by  the  undersigned,
thereunto duly authorized, in the County of Fairfax, Commonwealth of Virginia,
on this 11th day of December, 1997

                                INFODATA SYSTEMS INC.


                                BY:/s/JAMES UNGERLEIDER
                                   --------------------
                                   James Ungerleider
                                   Chief Executive Officer


                               POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS,  that each person whose signature appears
below constitutes and appoints JAMES UNGERLEIDER and/or CHRISTOPHER P. DETTMAR
his true and lawful attorneys-in-fact and agents, each acting alone, with full
powers of  substitution,  for him and in his name, place and stead, in any and
all  capacities,  to  sign  any or all  amendments  (including  post-effective
amendments)  to this  Registration  Statement,  and to  file  the  same,  with
exhibits thereto, and other documents in connection  therewith,  with the SEC,
granting unto said attorneys-in-fact and agents, each acting alone, full power
and  authority  to do and perform to all  intents and  purposes as he might or
could  do  in  person,   hereby   ratifying  and   confirming  all  that  said
attorneys-in-fact  and  agents,  each  acting  alone,  or  his  substitute  or
substitutes, may lawfully do or cause to be done by virtue thereof.

     Pursuant  to  the  requirements  of the  Securities  Act  of  1933,  this
Registration  Statement  or  amendment  thereto has been  signed  below by the
following persons in the capacities and on the dates indicated:

<TABLE>
<CAPTION>
  Signature                          Title                           Date
  ---------                          -----                           ----
<S>                                  <C>                             <C>
  RICHARD T. BUESCHEL                Chairman of the Board           December 11, 1997
  -------------------------
  Richard T. Bueschel


  ALAN S. FISHER                     Director                        December 11, 1997
  -------------------------
  Alan S. Fisher


  LAURENCE C. GLAZER                 Director                        December 11, 1997
  -------------------------
  Laurence C. Glazer


  HARRY KAPLOWITZ                    Executive Vice President        December 11, 1997
  -------------------------          and Director
  Harry Kaplowitz


                                       6

<PAGE>

  ROBERT M. LEOPOLD                  Director                        December 11, 1997
  -------------------------
  Robert M. Leopold


                                     Director
  -------------------------
   Isaac M. Pollak


  MILLARD H. PRYOR, JR.              Director                        December 11, 1997
  -------------------------
  Millard H. Pryor, Jr.


  RICHARD M.  TWOREK                 Executive Vice President        December 11, 1997
  -------------------------          and Director
  Richard M. Tworek


  JAMES UNGERLEIDER                  Chief Executive Officer         December 11, 1997
  -------------------------           (Principal Executive Officer)
  James Ungerleider        


  CHRISTOPHER P. DETTMAR             Chief Financial Officer         December 11, 1997
  -------------------------           (Principal Financial and
   Christopher P. Dettmar              Accounting Officer)
</TABLE>


                                       7

<PAGE>

                                 EXHIBIT INDEX

<TABLE>
<CAPTION>
 Exhibit
 Number          Description
 -------         -----------
<S>              <C>

 4(a)            Agreement  of Merger and Plan of  Reorganization  dated as of
                 July 22, 1997,  by and among  Infodata  Systems  Inc.,  AMBIA
                 Corporation,   Alan  Fisher  and  Razi  Mohiuddin,   Software
                 Partners,    Inc.,   and   AMBIA   Acquisition    Corporation
                 (Incorporated  herein  by  reference  to  Exhibit  2  to  the
                 Registrant's  Current Report on Form 8-K dated July 22, 1997,
                 filed with the SEC on August 6, 1997, as amended and filed on
                 Form 8-K/A, No. 1 on October 6, 1997).

 5               Legal opinion,  dated  December 19, 1997, of Freedman,  Levy,
                 Kroll & Simonds,  counsel to the Company,  as to the legality
                 of shares offered.

23(a)            Consent of Arthur Andersen LLP.

23(b)            Consent of  Freedman,  Levy,  Kroll & Simonds.  (Included  in
                 Exhibit 5 hereto.)

24               Power  of  Attorney.  (Included  on  signature  page  of this
                 Registration Statement.)
</TABLE>


                                       8
[{"type": "S-8", "sequence": "1", "secsgml_size_bytes": 20060}]
{"company-data": {"conformed-name": "INFODATA SYSTEMS INC", "cik": "0000050420", "assigned-sic": "7372", "irs-number": "160954695", "state-of-incorporation": "NY", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "333-42699", "film-number": "97741166"}, "business-address": {"street1": "12150 MONUMENT DR STE 400", "city": "FAIRFAX", "state": "VA", "zip": "22033", "phone": "7039345202"}, "mail-address": {"street1": "12150 MONUMENT DR STE 400", "city": "FAIRFAX", "state": "VA", "zip": "22033"}}
As filed with the Securities and Exchange Commission on December 19, 1997
                                                Registration No. 333-
   ------------------------------------------------------------------------

                      SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C. 20549

                                   FORM S-8

                            REGISTRATION STATEMENT
                                     Under
                          The Securities Act of 1933

                             Infodata Systems Inc.
   ------------------------------------------------------------------------
            (Exact name of registrant as specified in its charter)

             Virginia                              16-0954695
   ---------------------------------     ----------------------------------
   (State or other jurisdiction of         (IRS Employer Identification
    incorporation or organization)                    Number)

        12150 Monument Drive, Suite 400, Fairfax, Virginia  22033
   ------------------------------------------------------------------------
       (Address of Principal Executive Offices including Zip Code)

    INFODATA SYSTEMS INC. STOCK OPTION PLAN FOR AMBIA CORPORATION EMPLOYEES
   ------------------------------------------------------------------------
                             (Full title of plan)

                               James Ungerleider
                            Chief Executive Officer
                             Infodata Systems Inc.
                        12150 Monument Drive, Suite 400
                            Fairfax, Virginia 22033
                                (703) 934-5205
   ------------------------------------------------------------------------
           (Name, address and telephone number of agent for service)

                                  Copies to:

                             Arthur H. Bill, Esq.
                        Freedman, Levy, Kroll & Simonds
                   1050 Connecticut Avenue, N.W. (Suite 825)
                            Washington, D.C. 20036

                        CALCULATION OF REGISTRATION FEE

 =============================================================================
                                                    Proposed
  Title Of                            Maximum       Maximum         Proposed
 Securities      Amount To Be        Offering       Aggregate       Amount of
   To Be         Registered          Price Per      Offering       Registration
 Registered          (1)             Share (2)      Price (2)          Fee
 -----------------------------------------------------------------------------
   Common
 Stock, $.03
  par value      35,000 shares        $11.25        $393,750         $119.32
 =============================================================================

(1)  Plus an  indeterminate  number  of shares  of  Common  Stock  that may be
     issuable  by  reason  of  stock  splits,   stock   dividends  or  similar
     transactions  in  accordance  with Rule 416 under the  Securities  Act of
     1933.
(2)  The amounts are based upon the average of the high and low prices for the
     Common  Stock as reported on the NASDAQ  SmallCap  Market on December 12,
     1997 and are used solely for the purpose of calculating the  registration
     fee  pursuant  to  paragraphs  (c) and  (h)(1)  of  Rule  457  under  the
     Securities Act of 1933.

                                    PART I

                      INFORMATION REQUIRED IN PROSPECTUS

     The information  called for in Part I of Form S-8 is not being filed with
or included in this Form S-8 (by  incorporation  by reference or otherwise) in
accordance  with the rules and  regulations  of the  Securities  and  Exchange
Commission (the "SEC").

                                    PART II

              INFORMATION REQUIRED IN THE REGISTRATION STATEMENT

Item 3.   INCORPORATION OF DOCUMENTS BY REFERENCE.

          The following  documents  previously  filed by Infodata Systems Inc.
(the "Company") (SEC File No. 0-10416) with the SEC pursuant to the Securities
Exchange Act of 1934 (the  "Exchange  Act") or the  Securities Act of 1933 are
incorporated  in this  Registration  Statement by reference and deemed to be a
part hereof:

     1.   The  Company's  Annual  Report  on Form  10-KSB  for the year  ended
          December 31, 1996.

     2.   The Prospectus,  dated December 18, 1997, contained in the Company's
          Registration  Statement  on Form SB-2 filed with the SEC on December
          18, 1997.

     3.   The  Company's  Quarterly  Reports on Form  10-QSB for the  quarters
          ended March 31, June 30 and September 30, 1997.

     4.   The  Company's  Current  Report on Form 8-K dated July 22, 1997,  as
          filed with the SEC on August 6, 1997,  and amended by Form 8-K/A No.
          1 filed with the SEC on October 6, 1997.

     5.   The  description of the Company's  Common Stock,  par value $.03 per
          share (the "Common Stock"),  contained in the Company's Registration
          Statement on Form 10, as filed with the SEC on April 30, 1982, under
          the Exchange Act.

          In addition, all documents filed by the Company pursuant to Sections
13(a),  13(c),  14 and  15(d)  of the  Exchange  Act  after  the  date of this
Registration  Statement and prior to the filing of a post-effective  amendment
which  indicates  that all  securities  offered hereby have been sold or which
deregisters all such securities then remaining  unsold,  shall be deemed to be
incorporated  in this  Registration  Statement by  reference  and to be a part
hereof from the date of filing of such documents;  PROVIDED, HOWEVER, that the
documents  enumerated  above or subsequently  filed by the Company pursuant to
Sections  13(a),  13(c),  14 and 15(d) of the Exchange Act in each year during
which the offering made by this  Registration  Statement is in effect prior to
the filing with the SEC of the Company's Annual Report on Form 10-KSB covering
such year shall not be deemed  incorporated by reference in this  Registration
Statement  and shall not be a part  hereof  from and after the  filing of such
Annual Report on Form 10-KSB.

          Any statement  contained in a document  incorporated or deemed to be
incorporated  by reference herein shall be deemed to be modified or superseded

                                       2
for  purposes of this  Registration  Statement  to the extent that a statement
contained  herein or in any  subsequently  filed  document which also is or is
deemed to be  incorporated  by reference  herein  modifies or supersedes  such
statement.  Any such statement so modified or superseded  shall not be deemed,
except as so modified or superseded, to constitute a part of this Registration
Statement.

          The Company  hereby  undertakes  to provide  without  charge to each
person who has received a copy of the  prospectus  to which this  Registration
Statement relates, upon the written or oral request of any such person, a copy
of any or all the documents that have been or may be incorporated by reference
into this  Registration  Statement,  other  than  exhibits  to such  documents
(unless such exhibits are incorporated therein by reference).

Item 4.   DESCRIPTION OF SECURITIES.

          Not Applicable.

Item 5.   INTERESTS OF NAMED EXPERTS AND COUNSEL.

          Not Applicable.

Item 6.   INDEMNIFICATION OF DIRECTORS AND OFFICERS.

          Article 10 ("Article  10") of Chapter 9 of Title 13.1 of the Code of
Virginia (the  "Virginia  Code")  provides a Virginia  corporation  with broad
powers to indemnify  its officers and  directors in certain  circumstances  so
long as the  officer or director  (i)  conducted  himself in good faith,  (ii)
reasonably  believed that his conduct was in the best  interests,  or at least
not  opposed  to the best  interests,  of the  corporation  and  (iii)  had no
reasonable cause to believe that his conduct was unlawful;  provided, however,
that no  indemnification  shall be  available  in the  event  of or limit  the
liability of a director or officer for (i) any  proceeding  by or in the right
of the corporation in which the director or officer was adjudged liable to the
corporation;  (ii) any transactions from which the director or officer derived
an improper personal  benefit;  (iii) his willful  misconduct;  (iv) a knowing
violation  of the  criminal  law or of any  federal or state  securities  law,
including,  without  limitation,  any claim of  unlawful  insider  trading  or
manipulation  of the  market  for any  security;  or (v)  unlawful  payment of
dividends or other unlawful distributions.

          As permitted under Article 10 of the Virginia Code, Article 9 of the
Company's Articles of Incorporation provides that:

               The directors and officers of the Corporation shall not be
          liable for any damages in any  proceeding  brought by or in the
          name of the Corporation or its shareholders unless the director
          or officer engaged in willful misconduct or a knowing violation
          of the criminal law or of any federal or state  securities law,
          including,  without  limitation,  any claim of unlawful insider
          trading or manipulation of the market for any security.

Item 7.   EXEMPTION FROM REGISTRATION CLAIMED.

          Not Applicable.

Item 8.   EXHIBITS.

                                    3
Exhibit
 Number          Description
 -------         -----------
4(a)            Agreement  of Merger and Plan of  Reorganization  dated as of
                 July 22, 1997,  by and among  Infodata  Systems  Inc.,  AMBIA
                 Corporation,   Alan  Fisher  and  Razi  Mohiuddin,   Software
                 Partners,    Inc.   and   AMBIA    Acquisition    Corporation
                 (Incorporated  herein  by  reference  to  Exhibit  2  to  the
                 Registrant's  Current Report on Form 8-K dated July 22, 1997,
                 filed with the SEC on August 6, 1997, as amended and filed on
                 Form 8-K/A, No. 1 on October 6, 1997).

 5               Legal opinion,  dated  December 19, 1997, of Freedman,  Levy,
                 Kroll & Simonds,  counsel to the Company,  as to the legality
                 of shares offered.

 23(a)           Consent of Arthur Andersen LLP.

 23(b)           Consent of  Freedman,  Levy,  Kroll & Simonds.  (Included  in
                 Exhibit 5 hereto.)

 24              Power  of  Attorney.  (Included  on  signature  page  of this
                 Registration Statement.)
Item 9.   UNDERTAKINGS.

           1.    The Company hereby undertakes:

                 (a)   To file, during any period in which offers or sales are
           being  made,  a  post-effective   amendment  to  this  Registration
           Statement:

                       (i)   To include  any  prospectus  required  by Section
                 10(a)(3) of the Securities Act of 1933;

                       (ii)  To reflect in the  prospectus any facts or events
                 arising  after  the  effective   date  of  the   Registration
                 Statement  (or  the  most  recent  post-effective   amendment
                 thereof) which, individually, or in the aggregate,  represent
                 a  fundamental  change  in the  information  set forth in the
                 Registration Statement;

                       (iii) To include any material  information with respect
                 to the plan of distribution  not previously  disclosed in the
                 Registration   Statement  or  any  material  change  to  such
                 information in the Registration Statement;

           PROVIDED,  HOWEVER, that paragraphs (a)(i) and (a)(ii) do not apply
           if the  information  required to be  included  in a  post-effective
           amendment by those  paragraphs  is  contained  in periodic  reports
           filed by the Company pursuant to Section 13 or Section 15(d) of the
           Securities  Exchange Act of 1934 that are incorporated by reference
           in the Registration Statement.

                 (b)   That,  for the  purpose of  determining  any  liability
           under  the  Securities  Act  of  1933,  each  such   post-effective
           amendment  shall  be  deemed  to  be a new  registration  statement
           relating to the  securities  offered  therein,  and the offering of
           such securities at that time shall be deemed to be the initial BONA
           FIDE offering thereof.

                 (c)   To   remove   from   registration   by   means   of   a
           post-effective  amendment any of the  securities  being  registered
           which remain unsold at the termination of the offering.

                                       4
2.    The  Company  hereby  undertakes  that,  for the  purpose  of
     determining  any liability  under the Securities Act of 1933, each filing
     of the Company's annual report pursuant to Section 13(a) or Section 15(d)
     of the Securities  Exchange Act of 1934 that is incorporated by reference
     in the  Registration  Statement shall be deemed to be a new  registration
     statement relating to the securities offered therein, and the offering of
     such  securities at that time shall be deemed to be the initial BONA FIDE
     offering thereof.

           3.    Insofar as indemnification  for liabilities arising under the
     Securities  Act of 1933  may be  permitted  to  directors,  officers  and
     controlling persons of the Company pursuant to the foregoing  provisions,
     or  otherwise,  the Company has been  informed that in the opinion of the
     Securities  Exchange  Commission such  indemnification  is against public
     policy as  expressed in the Act and is  therefore  unenforceable.  In the
     event that a claim for  indemnification  against such liabilities  (other
     than  the  payment  by the  Company  of  expenses  incurred  or paid by a
     director,  officer or controlling person of the Company in the successful
     defense of any action,  suit or proceeding) is asserted by such director,
     officer or controlling  person in connection  with the  securities  being
     registered,  the Company  will,  unless in the opinion of its counsel the
     matter has been settled by  controlling  precedent,  submit to a court of
     appropriate  jurisdiction the question whether such indemnification by it
     is against  public policy as expressed in the  Securities Act and will be
     governed by the final adjudication of such issue.

                                       5
SIGNATURES

     Pursuant  to  the  requirements  of  the  Securities  Act  of  1933,  the
Registrant  certifies that it has reasonable  grounds to believe that it meets
all the  requirements  for  filing  on  Form  S-8 and  has  duly  caused  this
Registration  Statement  to be  signed  on  its  behalf  by  the  undersigned,
thereunto duly authorized, in the County of Fairfax, Commonwealth of Virginia,
on this 11th day of December, 1997

                                INFODATA SYSTEMS INC.

                                BY:/s/JAMES UNGERLEIDER
                                   --------------------
                                   James Ungerleider
                                   Chief Executive Officer

                               POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS,  that each person whose signature appears
below constitutes and appoints JAMES UNGERLEIDER and/or CHRISTOPHER P. DETTMAR
his true and lawful attorneys-in-fact and agents, each acting alone, with full
powers of  substitution,  for him and in his name, place and stead, in any and
all  capacities,  to  sign  any or all  amendments  (including  post-effective
amendments)  to this  Registration  Statement,  and to  file  the  same,  with
exhibits thereto, and other documents in connection  therewith,  with the SEC,
granting unto said attorneys-in-fact and agents, each acting alone, full power
and  authority  to do and perform to all  intents and  purposes as he might or
could  do  in  person,   hereby   ratifying  and   confirming  all  that  said
attorneys-in-fact  and  agents,  each  acting  alone,  or  his  substitute  or
substitutes, may lawfully do or cause to be done by virtue thereof.

     Pursuant  to  the  requirements  of the  Securities  Act  of  1933,  this
Registration  Statement  or  amendment  thereto has been  signed  below by the
following persons in the capacities and on the dates indicated:
Signature                          Title                           Date
  ---------                          -----                           ----
RICHARD T. BUESCHEL                Chairman of the Board           December 11, 1997
  -------------------------
  Richard T. Bueschel

  ALAN S. FISHER                     Director                        December 11, 1997
  -------------------------
  Alan S. Fisher

  LAURENCE C. GLAZER                 Director                        December 11, 1997
  -------------------------
  Laurence C. Glazer

  HARRY KAPLOWITZ                    Executive Vice President        December 11, 1997
  -------------------------          and Director
  Harry Kaplowitz

                                       6
ROBERT M. LEOPOLD                  Director                        December 11, 1997
  -------------------------
  Robert M. Leopold

                                     Director
  -------------------------
   Isaac M. Pollak

  MILLARD H. PRYOR, JR.              Director                        December 11, 1997
  -------------------------
  Millard H. Pryor, Jr.

  RICHARD M.  TWOREK                 Executive Vice President        December 11, 1997
  -------------------------          and Director
  Richard M. Tworek

  JAMES UNGERLEIDER                  Chief Executive Officer         December 11, 1997
  -------------------------           (Principal Executive Officer)
  James Ungerleider        

  CHRISTOPHER P. DETTMAR             Chief Financial Officer         December 11, 1997
  -------------------------           (Principal Financial and
   Christopher P. Dettmar              Accounting Officer)
7
EXHIBIT INDEX
Exhibit
 Number          Description
 -------         -----------
4(a)            Agreement  of Merger and Plan of  Reorganization  dated as of
                 July 22, 1997,  by and among  Infodata  Systems  Inc.,  AMBIA
                 Corporation,   Alan  Fisher  and  Razi  Mohiuddin,   Software
                 Partners,    Inc.,   and   AMBIA   Acquisition    Corporation
                 (Incorporated  herein  by  reference  to  Exhibit  2  to  the
                 Registrant's  Current Report on Form 8-K dated July 22, 1997,
                 filed with the SEC on August 6, 1997, as amended and filed on
                 Form 8-K/A, No. 1 on October 6, 1997).

 5               Legal opinion,  dated  December 19, 1997, of Freedman,  Levy,
                 Kroll & Simonds,  counsel to the Company,  as to the legality
                 of shares offered.

23(a)            Consent of Arthur Andersen LLP.

23(b)            Consent of  Freedman,  Levy,  Kroll & Simonds.  (Included  in
                 Exhibit 5 hereto.)

24               Power  of  Attorney.  (Included  on  signature  page  of this
                 Registration Statement.)
8