Provides Models 500S (SN 3076 thru 3323 only) 680T, 680V, 680W, 681, 690A, 690B, 690C, 690D, 695, 695A, and 695B with a later production standard single-piece tail cone. Also allows for the replacement of the ?Stinger? tail cone for Models 690A and 690B.
Category Archives: 900(690D)
163 PPG Windshield Moisture Seal Installation
Provides an approved procedure for installed windshields for the addition or repair of hump seals as the primary weather seal between the glass and fiberglass strap for the Models 690, 690A, 690B, 690C, 690D, 695, 695A, and 695B.
159B Nose Gear and Gear Support Modifications
Provides approved modifications for nose gear and nose gear support structure problems caused by wear, overload conditions, prior AC-43.13 repairs, etc., for all Models.
149A Increase of Maximum Altitude to 35,000 Feet
Modifies the Stall Warning system on the 690D to increase the maximum operating altitude to 35,000 feet. Primarily installed on the 690D that have been modified with the -10T STC.
148 Conversion to AlliedSignal TPE331-10T Engines
Not a Custom Kit but an STC
