STC Holder: Western Skyways Aircraft Modifications Inc.

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No. of STCs: 22

STC Holder: Western Skyways Aircraft Modifications Inc. Address: 333 West Boulevard, # 400, Rapid City, SD 57701		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA04211CH	Status: Current	App Date: 09/25/2016	Rev Date: 08/20/2025
TC Nos.: 3A21, A16CE, A4CE, A4CE,
Models: Textron Aviation Inc.: 206 , 207 , 207A , 210D , 210E , 210F , 210G , 210H , 210J , 210K , 210L , 210M , 210N , 210R , P206 , P206A , P206B , P206C , P206D , P206E , T207 , T207A , T210F , T210G , T210H , T210J , T210K , T210L , T210M , T210N , TP206A , TP206B , TP206C , TP206D , TP206E , TU206A , TU206B , TU206C , TU206D , TU206E , TU206F , TU206G , U206 , U206A , U206B , U206C , U206D , U206E , U206F , U206G
ACO: AIR-760: Central Certification Branch CHI
Installation of an engine modified per STC SE0417CH

STC Holder: Western Skyways Aircraft Modifications Inc. Address: 140 Industrial Drive, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2528NM	Status: Historical	App Date: 01/24/1984	Rev Date: 05/20/2019
TC Nos.: 3A21,
Models: The Cessna Aircraft Company: P210N
ACO: AIR-7C0: Chicago ACO Branch
Installation of an air to air intercooler in the engine induction system downstream of the turbocharger. (P210N S/N P21000001 THRU P21000834)

STC Holder: Western Skyways Aircraft Modifications Inc. Address: 140 Industrial Drive, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2528NM	Status: Current	App Date: 01/24/1984	Rev Date: 03/08/2023
TC Nos.: 3A21,
Models: Textron Aviation Inc.: P210N
ACO: AIR-760: Central Certification Branch CHI
Installation of an air to air intercooler in the engine induction system downstream of the turbocharger. (P210N S/N P21000001 THRU P21000834)

STC Holder: Western Skyways Aircraft Modifications Inc. Address: 333 West Boulevard, Suite 400, Rapid City, SD 57701		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2598NM	Status: Current	App Date: 10/01/1984	Rev Date: 03/08/2023
TC Nos.: 3A21, 3A21,
Models: Textron Aviation Inc.: T210G , T210H , T210J , T210K , T210L , T210M , T210N
ACO: AIR-760: Central Certification Branch CHI
Installation of an air to air intercooler in the engine induction system downstream of the turbocharger. (See specific serial numbers) H S/N T210-308 THRU T210-0392)

STC Holder: Western Skyways Aircraft Modifications Inc. Address: 140 Industrial Drive, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2598NM	Status: Historical	App Date: 10/01/1984	Rev Date: 05/20/2019
TC Nos.: 3A21, 3A21,
Models: The Cessna Aircraft Company: T210G, T210H , T210J , T210K , T210L , T210M , T210N
ACO: AIR-7C0: Chicago ACO Branch
Installation of an air to air intercooler in the engine induction system downstream of the turbocharger. (See specific serial numbers) H S/N T210-308 THRU T210-0392)

STC Holder: Western Skyways Aircraft Modifications Inc. Address: 140 Industrial Drive, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3247NM	Status: Historical	App Date: 01/02/1986	Rev Date: 05/20/2019
TC Nos.: A4CE,
Models: The Cessna Aircraft Company: TU206G
ACO: AIR-7C0: Chicago ACO Branch
Installation of an air to air intercooler in the engine induction system downstream of the turbocharger. (TU206G S/N U20603522 thru U20606921 and up)

STC Holder: Western Skyways Aircraft Modifications Inc. Address: 333 West Boulevard, Suite 400, Rapid City, SD, 57701		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3247NM	Status: Current	App Date: 01/02/1986	Rev Date: 02/20/2024
TC Nos.: A4CE, A4CE,
Models: Textron Aviation Inc.: TU206A , TU206D , TU206E , TU206F , TU206G
ACO: AIR-760: Central Certification Branch CHI
Installation of an air to air intercooler in the engine induction system downstream of the turbocharger. (TU206G S/N U20603522 thru U20606921 and up)

STC Holder: Western Skyways Aircraft Modifications Inc. Address: 140 Industrial Drive, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3781NM	Status: Historical	App Date: 02/01/1988	Rev Date: 05/20/2019
TC Nos.: A16CE,
Models: The Cessna Aircraft Company: T207A
ACO: AIR-7C0: Chicago ACO Branch
Installation of engine induction air intercooler.

STC Holder: Western Skyways Aircraft Modifications Inc. Address: 333 West Boulevard, Suite 400, Rapid City, SD 57701		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3781NM	Status: Current	App Date: 02/01/1988	Rev Date: 03/08/2023
TC Nos.: A16CE,
Models: Textron Aviation Inc.: T207A
ACO: AIR-760: Central Certification Branch CHI
Installation of engine induction air intercooler.

STC Holder: Western Skyways Aircraft Modifications Inc. Address: 333 West Boulevard, Suite 400, Rapid City, SD 57701		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3931NM	Status: Current	App Date: 03/22/1988	Rev Date: 03/08/2023
TC Nos.: 3A21,
Models: Textron Aviation Inc.: T210L
ACO: AIR-760: Central Certification Branch CHI
Installation of air to air intercooler in the engine air induction system. Airplane must have STC SA2689SW incorporated.

STC Holder: Western Skyways Aircraft Modifications Inc. Address: 140 Industrial Drive, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3931NM	Status: Historical	App Date: 03/22/1988	Rev Date: 05/20/2019
TC Nos.: 3A21,
Models: Cessna Aircraft Company: T210L
ACO: AIR-7C0: Chicago ACO Branch
Installation of air to air intercooler in the engine air induction system.

STC Holder: Western Skyways Aircraft Modifications Inc. Address: 140 Industrial Drive, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE0417CH	Status: Current	App Date: 09/25/2016	Rev Date: 10/22/2019
TC Nos.: E3SO, E5CE, E8CE, E8CE,
Models: Continental Motors: IO-520-A , IO-520-F , IO-520-J , IO-520-L , IO-550-F , IO-550-L Continental Motors Inc: TSIO-520-C , TSIO-520-G , TSIO-520-H , TSIO-520-M , TSIO-520-R
ACO: AIR-760: Central Certification Branch CHI
Turbo-normalization

STC Holder: Western Skyways Aircraft Modifications Inc. Address: 140 Industrial Drive, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE2529NM	Status: Historical	App Date: 04/30/1984	Rev Date: 05/20/2019
TC Nos.: E8CE, E8CE,
Models: Teledyne Continental Motors: TSIO-520-AF, TSIO-520-P
ACO: AIR-7C0: Chicago ACO Branch
Installation of an air to air intercooler in the engine induction system downstream of the turbocharger.

STC Holder: Western Skyways Aircraft Modifications Inc. Address: 333 West Boulevard, Suite 400, Rapid City, SD 57701		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE2529NM	Status: Current	App Date: 04/30/1984	Rev Date: 03/08/2023
TC Nos.: E8CE, E8CE,
Models: Continental Aerospace Technologies Inc.: TSIO-520-AF, TSIO-520-P
ACO: AIR-760: Central Certification Branch CHI
Installation of an air to air intercooler in the engine induction system downstream of the turbocharger.

STC Holder: Western Skyways Aircraft Modifications Inc. Address: 333 West Boulevard, Suite 400, Rapid City, SD 57701		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE2599NM	Status: Current	App Date: 10/01/1984	Rev Date: 03/08/2023
TC Nos.: E8CE, E8CE,
Models: Continental Aerospace Technologies Inc.: TSIO-520-C , TSIO-520-H, TSIO-520-R
ACO: AIR-760: Central Certification Branch CHI
Installation of an air intercooler in the engine induction system downstream of the turbocharger.

STC Holder: Western Skyways Aircraft Modifications Inc. Address: 140 Industrial Drive, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE2599NM	Status: Historical	App Date: 10/01/1984	Rev Date: 05/20/2019
TC Nos.: E8CE, E8CE,
Models: Teledyne Continental Motors: TSIO-520-C , TSIO-520-H, TSIO-520-R
ACO: AIR-7C0: Chicago ACO Branch
Installation of an air intercooler in the engine induction system downstream of the turbocharger.

STC Holder: Western Skyways Aircraft Modifications Inc. Address: 140 Industrial Drive, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE3248NM	Status: Historical	App Date: 01/02/1986	Rev Date: 05/20/2019
TC Nos.: E8CE,
Models: Teledyne Continental Motors: TSIO-520-M
ACO: AIR-7C0: Chicago ACO Branch
Installation of air to air intercooler in engine induction system.

STC Holder: Western Skyways Aircraft Modifications Inc. Address: 333 West Boulevard, Suite 400, Rapid City, SD 57701		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE3248NM	Status: Current	App Date: 01/02/1986	Rev Date: 02/20/2024
TC Nos.: E8CE, E8CE,
Models: Teledyne Continental Motors: TSIO-520-C, TSIO-520-M
ACO: AIR-760: Central Certification Branch CHI
Installation of air to air intercooler in engine induction system.

STC Holder: Western Skyways Aircraft Modifications Inc. Address: 333 West Boulevard, Suite 400, Rapid City, SD 57701		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE3782NM	Status: Current	App Date: 02/01/1988	Rev Date: 03/08/2023
TC Nos.: E8CE,
Models: Continental Aerospace Technologies Inc.: TSIO-520-M
ACO: AIR-760: Central Certification Branch CHI
Installation of an intercooler in the engine air induction system.

STC Holder: Western Skyways Aircraft Modifications Inc. Address: 140 Industrial Drive, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE3782NM	Status: Historical	App Date: 02/01/1988	Rev Date: 05/20/2019
TC Nos.: E8CE,
Models: Teledyne Continental Motors: TSIO-520-M
ACO: AIR-7C0: Chicago ACO Branch
Installation of an intercooler in the engine air induction system.

STC Holder: Western Skyways Aircraft Modifications Inc. Address: 333 West Boulevard, Suite 400, Rapid City, SD 57701		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE3932NM	Status: Current	App Date: 03/22/1988	Rev Date: 03/08/2023
TC Nos.: E8CE,
Models: Continental Aerospace Technologies Inc.: TSIO-520-R
ACO: AIR-760: Central Certification Branch CHI
Installation of an intercooler in the engine air induction system.

STC Holder: Western Skyways Aircraft Modifications Inc. Address: 140 Industrial Drive, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE3932NM	Status: Historical	App Date: 03/22/1988	Rev Date: 05/20/2019
TC Nos.: E8CE,
Models: Continental Motors Inc: TSIO-520-R
ACO: AIR-7C0: Chicago ACO Branch
Installation of an intercooler in the engine air induction system.