STC SA99GL
FAA DRS lists SA99GL as Current · Reissued, held by Kaman Corporation Aircraft Wheel and Brake LLC, for Grumman American Aviation G-21A and Grumman American Aviation G-21. Recorded change: Installation of Cleveland Main Wheels and Brakes. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of Cleveland Main Wheels and Brakes.
SA99GL identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.
Applicability
Aircraft named in FAA DRS
Named aircraft: Grumman American Aviation G-21A and Grumman American Aviation G-21. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Grumman American Aviation G-21A and Grumman American Aviation G-21 model, serial range, and configuration?
- 02Which configuration, parts, installation data, limitations, and ICAs apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
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Installation of Lycoming GO-480-B1D engines, Hartzell HC-83X20-2A/8433-0 or HC-83X20-2A/8433H propellers, and associated modifications.
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Retractable tip float installation.
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Stewart Warner heater installation.
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