The STC search system is a complimentary service provided to the aviation community. We hope you find it useful. Our primary product is a comprehensive library of aviation regulations and standards, including tools for generating Airworthiness Directive compliance reports.

No. of STCs: 7

STC Holder: Acorn Welding Ltd. 10916 119th St, Edmonton, Alberta T5H 3P4, Canada		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00780NY	Status: Current	App Date: 12/04/1997	Rev Date: 05/03/2013
Description: The installation, removal, and maintenance of Acorn Welding s Heat Exchanger/Muffler (P/N: C1851D, C1851D-1, or C1851D-3)
TC Nos.: 3A13, 5A6
Models: Cessna Aircraft Company180G, 180H, 180J, 180K, 182G, 182H, 182J, 182K, 182L, 182M, 182N, 182P, 182Q, 182R, 182S
ACO: AIR-750: East Certification Branch NY

STC Holder: Acorn Welding Ltd. 12105-120 Avenue, Edmonton, Alberta, T5L 4K4, Canada		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00780NY	Status: Historical	App Date:	Rev Date: 01/16/1998
Description: Installation of Acorn Welding Heat Exchanger/Muffler. (180K and 182R with O470 engine, 185 S/N 0001 and on)
TC Nos.: 3A13, 3A24, 5A6
Models: The Cessna Aircraft Company180G, 180H, 180J, 180K, 182G, 182H, 182J, 182K, 182L, 182M, 182N, 182P, 182Q, 182R, 182S, 185
ACO: New York ACO Branch, Tel: +1 (516) 228-7300

STC Holder: Acorn Welding Ltd. 10916 119th St, Edmonton, Alberta T5H 3P4, Canada		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA01580NY	Status: Current	App Date: 11/06/2002	Rev Date: 01/31/2003
Description: Replace existing front fuselage strut assemblies with Amtech Aeronautical Ltd strut assembly - front fuselage 302811-1 (LHS) and 302811-2 (RHS).
TC Nos.: A-806
Models: de Havilland Inc. (Canada)DHC-2 Mk.I, DHC-2 Mk.II, DHC-2 Mk.III
ACO: AIR-750: East Certification Branch NY

STC Holder: Acorn Welding Ltd. 10916 119th St, Edmonton, Alberta T5H 3P4, Canada		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA01580NY	Status: Historical	App Date: 11/06/2002	Rev Date: 01/07/2003
Description: Replace existing front fuselage strut assemblies with Amtech Aeronautical Ltd strut assembly - front fuselage 302811-1 (LHS) and 302811-2 (RHS).
TC Nos.: A-806
Models: de Havilland Inc. (Canada)DHC-2 Mk.I, DHC-2 Mk.II, DHC-2 Mk.III
ACO: New York ACO Branch, Tel: +1 (516) 228-7300

STC Holder: Acorn Welding Ltd. 10916 119th St, Edmonton, Alberta T5H 3P4, Canada		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02854NY	Status: Current	App Date: 02/15/2010	Rev Date: 03/14/2018
Description: Gross weight increase for use with floats to be accomplished
TC Nos.: 3A13
Models: Textron Aviation Inc.182P, 182Q, 182R
ACO: AIR-750: East Certification Branch NY

STC Holder: Acorn Welding Ltd. 10916 119th St, Edmonton, Alberta T5H 3P4, Canada		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA04126NY	Status: Current	App Date: 02/13/2018	Rev Date: 04/26/2018
Description: Installation of Firewall Reinforcement
TC Nos.: 3A13, A42EU
Models: Cessna Aircraft CompanyF182P, F182Q Textron Aviation Inc.182E, 182F, 182G, 182H, 182J, 182K, 182L, 182M, 182N, 182P, 182Q, 182R, 182S, 182T, T182, T182T
ACO: AIR-750: East Certification Branch NY

STC Holder: Acorn Welding Ltd. 10916 119th St, Edmonton, Alberta T5H 3P4, Canada		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA04587NY	Status: Current	App Date: 08/27/2021	Rev Date: 10/28/2021
Description: Installation of Acorn Welding C6SC1107-NG Exhaust stacks
TC Nos.: A9EA
Models: Viking Air LimitedDHC-6-100, DHC-6-200, DHC-6-300, DHC-6-400
ACO: AIR-750: East Certification Branch NY