Exhibit 99.1

                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In  connection  with  the  Quarterly  Report  of  Polaris  Income  Fund III (the
"Partnership")  on Form 10-Q for the period  ended  September  30, 2002 as filed
with the Securities and Exchange  Commission on the date hereof (the  "Report"),
I, William R. Carpenter, President of Polaris Investment Management Corporation,
the General Partner of the Partnership, certify, pursuant to 18 U.S.C. ss. 1350,
as adopted pursuant to ss. 906 of the Sarbanes-Oxley Act of 2002, that:

    (1)  The Report fully  complies  with the  requirements  of section 13(a) or
15(d) of the Securities Exchange Act of 1934; and

    (2)  The  information  contained  in  the  Report  fairly  presents,  in all
material  respects,  the  financial  condition  and result of  operations of the
Partnership.


POLARIS AIRCRAFT INCOME FUND III,
A California Limited Partnership
(Registrant)
By:  Polaris Investment Management Corporation,
     General Partner


By:  /s/ William R. Carpenter
     ------------------------
     William R. Carpenter
     President
     November 12, 2002