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Item 1(a)         Name of Issuer.

                  ZAPATA CORPORATION

Item 1(b)         Address of User's Principal Executive Office's

                  Mr.  Lamar  C.  McIntyre
                  Chief Financial Officer
                  ZAPATA CORPORATION
                  1717 St. James Pla
                  Houston, TX 77056

Item 2(a)         Name of Person Filing.

                  Pioneering Management Corporation

Item 2(b)         Address of Principal Business Office:

                  60 State Street, Boston, MA 02109

Item 2(c)         Citizenship:

                  State Of Delaware - Pioneering Management Corporation.

Item 2(d)         Title of Class of Securities.

                  Common Stock

Item 2(e)         CUSIP Number.

                  989070503

Item 3            The person filing this statement pursuant to Rule 13-1(b)
                  or 13d-2 is:

                  (a)      Investment Adviser registered under Section
                           203 of the Investment Advisers Act of 1940.