UNITED STATES SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 4
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP
( ) Check this box if no longer subject to Section 16.
Form 4 or Form 5 obligations may continue. See Instructions 1(b).
1. Name and Address of Reporting Person
   HEIPT, J. DENNIS
   10260 CAMPUS POINT DRIVE
   SAN DIEGO, CA  92121
2. Issuer Name and Ticker or Trading Symbol
   SCIENCE APPLICATIONS INTERNATIONAL CORPORATION

3. IRS or Social Security Number of Reporting Person (Voluntary)

4. Statement for Month/Year
   DECEMBER 2000
5. If Amendment, Date of Original (Month/Year)

6. Relationship of Reporting Person(s) to Issuer (Check all applicable)
   ( ) Director ( ) 10% Owner (X) Officer (give title below) ( ) Other
   (specify below)
   CORPORATE EXECUTIVE VICE PRESIDENT AND SECRETARY
7. Individual or Joint/Group Filing (Check Applicable Line)
   (X) Form filed by One Reporting Person
   ( ) Form filed by More than One Reporting Person


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 Table I -- Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned                                                 |
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1. Title of Security       |2.    |3.    |4.Securities Acquired (A)         |5.Amount of        |6.Dir |7.Nature of Indirect       |
                           | Transaction |  or Disposed of (D)              |  Securities       |ect   |  Beneficial Ownership     |
                           |      |      |                                  |  Beneficially     |(D)or |                           |
                           |      |    | |                  | A/|           |  Owned at         |Indir |                           |
                           | Date |Code|V|    Amount        | D |    Price  |  End of Month     |ect(I)|                           |
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Class A Common Stock       |12/21/|G   |V|200               |D  |N/A        |198,581            |I     |By Trust                   |
                           |00    |    | |                  |   |           |                   |      |                           |
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Class A Common Stock       |      |    | |                  |   |           |23,920             |D     |                           |
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Class A Common Stock       |      |    | |                  |   |           |4,884 (1)          |I     |By 401(k) Plan             |
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Class A Common Stock       |      |    | |                  |   |           |48,758             |I     |(2)                        |
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 Table II -- Derivative Securitites Acquired, Disposed of, or Beneficially Owned                                                   |
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1.Title of Derivative |2.Con-  |3.   |4.    |5.Number of De |6.Date Exer|7.Title and Amount  |8.Price|9.Number    |10.|11.Nature of|
  Security            |version |Transaction | rivative Secu |cisable and|  of Underlying     |of Deri|of Deriva   |Dir|Indirect    |
                      |or Exer |     |      | rities Acqui  |Expiration |  Securities        |vative |tive        |ect|Beneficial  |
                      |cise    |     |      | red(A) or Dis |Date(Month/|                    |Secu   |Securities  |(D)|Ownership   |
                      |Price of|     |      | posed of(D)   |Day/Year)  |                    |rity   |Benefi      |or |            |
                      |Deriva- |     |      |               |Date |Expir|                    |       |ficially    |Ind|            |
                      |tive    |     |      |           | A/|Exer-|ation|   Title and Number |       |Owned at    |ire|            |
                      |Secu-   |     |    | |           | D |cisa-|Date |   of Shares        |       |End of      |ct |            |
                      |rity    |Date |Code|V|  Amount   |   |ble  |     |                    |       |Month       |(I)|            |
___________________________________________________________________________________________________________________________________|
                                                                            
                      |        |     |    | |           |   |     |     |            |       |       |            |   |            |
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Explanation of Responses:
(1) During the period of April 1, 2000  through September 30, 2000,  the
reporting person acquired 83 shares of
SAIC Class A Common Stock under the SAIC 401(k) Plan.  The balance is pursuant
to the reporting person's most
recent account statement
available.

(2) By SAIC Employee Stock Retirement
Plan.
SIGNATURE OF REPORTING PERSON
By A. Avery, Attorney-in-fact, for J.D. Heipt
DATE
January 8, 2001