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No. of STCs: 4

STC Holder: Momentum Aeronautics Holdings, LLC 500 L Street, Suite 200 Anchorage, AK 99501		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA12187AK	Status: Current	App Date: 05/14/2025	Rev Date: 10/29/2025
Description: Installation of Momentum Aeronautics Holdings LLC. Model 11600 Amphibious Floats
TC Nos.: A19SW
Models: Air Tractor Inc.AT-802A
ACO: AIR-778: Alaska Aviation Section ANC

STC Holder: Momentum Aeronautics Holdings, LLC 500 L Street, Suite 200 Anchorage, AK 99501		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA12386AK	Status: Current	App Date: 12/11/2026	Rev Date: 06/09/2026
Description: Increase of the engine power of the PT6A-67F engine to 1600 SHP for takeoff power and 1550 SHP for maximum continuous power
TC Nos.: A19SW
Models: Air Tractor Inc.AT-802, AT-802A
ACO: AIR-778: Alaska Aviation Section ANC

STC Holder: Momentum Aeronautics Holdings, LLC 500 L Street, Suite 200 Anchorage, AK 99501		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA12388AK	Status: Current	App Date: 07/14/2025	Rev Date: 06/08/2026
Description: Removal of engine fire detection system
TC Nos.: A37CE
Models: Textron Aviation Inc.208, 208B
ACO: AIR-778: Alaska Aviation Section ANC

STC Holder: Momentum Aeronautics Holdings, LLC 500 L Street, Suite 200 Anchorage, AK 99501		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA12389AK	Status: Current	App Date: 07/07/2025	Rev Date: 06/09/2026
Description: Installation of Hartzell Propeller Inc. DHC-G2YF-1BFP/F8849 propeller
TC Nos.: 5A6
Models: Textron Aviation Inc.180, 180A, 180B, 180C, 180D, 180E, 180F, 180G, 180H, 180J
ACO: AIR-778: Alaska Aviation Section ANC