79-16-02 INDIANA MILLS AND MANUFACTURING, INC.: Amendment 39-3519. Applies to Model IMM 111040-1, -2, -3, -4 and -8 safety belt assemblies marked as meeting the standards of FAA TSO-C22f. These safety belts are installed in, but not limited to, Gulfstream American Corp. (formerly Grumman American Aviation Corp.) AA-1B, AA-1C, AA-5, AA-5A, AA-5B model airplanes.
These safety belts can no longer be considered to meet the standards prescribed by FAA TSO-C22f and the approved special criteria for push-button release mechanisms which requires the push-button release force to be between 2.5 and 8 pounds when using the loading conditions specified in FAA TSO-C22f (Section 4.3.2.2 of NAS 802).
Within 120 days from the effective date of the AD, these safety belts shall not be used in type certificated aircraft.
NOTE - Information regarding replacement safety belts for Gulfstream American airplanes can be obtained from:
Gulfstream Light Aircraft Customer Service
P.O. Box 2206
Savannah, Georgia 31410
Telephone (912) 964-3000
Telex 54-6470
This amendment becomes effective August 2, 1979.