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No. of STCs: 6

STC Holder: Wall Colmonoy Corp 4700 S.E. 59th Street, Oklahoma City, OK 73135, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1921SW	Status: Current	App Date: 09/27/1974	Rev Date: 06/05/2019
Description: Installation of Exhaust System Muffler Assembly
TC Nos.: 3A12, A13CE
Models: Textron Aviation Inc.172, 172A, 172B, 172C, 172D, 172E, 172F (USAF T-41A), 172G, 172H (USAF T-41A), 172I, 172K, 172L, 172M, 172N, 172P, 172Q, 172R, 172S, 177, 177A, 177B
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Wall Colmonoy Corp 4700 S.E. 59th Street, Oklahoma City, OK 73135, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3745SW	Status: Current	App Date: 04/22/1986	Rev Date: 04/24/1987
Description: Wall Colmonoy Nicrocraft muffler P/N PIM-0007.
TC Nos.: 2A13
Models: Piper Aircraft Inc.PA-28-151, PA-28-161, PA-28-180, PA-28-181
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Wall Colmonoy Corp 4700 S.E. 59th Street, Oklahoma City, OK 73135, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5747SW	Status: Current	App Date:	Rev Date: 04/22/1985
Description: Manufacture of Wall Colmonoy muffler P/N PI M006 which is interchangeable with Piper P/N 12433-14 and 12433-15.
TC Nos.: 1A2
Models: The New Piper Aircraft Inc.PA-18"105" (Special)
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Wall Colmonoy Corp 4700 S.E. 59th Street, Oklahoma City, OK 73135, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5873SW	Status: Current	App Date: 06/15/1984	Rev Date: 01/25/1985
Description: Installation of Wall Colmonoy exhaust stack.
TC Nos.: 3A13, 3A24, 5A6
Models: The Cessna Aircraft Company180, 182, 185
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Wall Colmonoy Corp 4700 S.E. 59th Street, Oklahoma City, OK 73135, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA7486SW	Status: Current	App Date: 07/23/1986	Rev Date: 09/29/1988
Description: Installation of Wall Colmonoy Muffler Front and Muffler Rear.
TC Nos.: 2A13
Models: The New Piper Aircraft Inc.PA-28-150
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Wall Colmonoy Corp 4700 S.E. 59th Street, Oklahoma City, OK 73135, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA7499SW	Status: Current	App Date: 04/21/1986	Rev Date: 11/04/1988
Description: Installation of Wall Colmonoy Stack Assembly.
TC Nos.: A-777
Models: Raytheon Aircraft Company35, B35, C35, D35, E35, F35, G35
ACO: AIR-760: Central Certification Branch FTW