STC Holder: Walter E. Heller and Company

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No. of STCs: 1

STC Holder: Walter E. Heller and Company Address: 210 West Seventh St, Los Angeles, CA 90014, United States		Contact us to have your company added here!
STC No.: SA1612WE	Status: Current	App Date: 02/21/1968	Rev Date: 02/21/1968
TC Nos.: TC 551,
Models: Lockheed Aircraft Corporation: Electra 10-A (Army UC-36A; Navy R-20; and XR-20-1)
ACO: AIR-770: West Certification Branch LA
Installation of Hamilton Standard Hydromatic Full Feathering Propellers 22D30-213/6533A-12, Propeller feather system, BT-13 oil cooler and cowling and modified oil tank.