STC Holder: WSH LLC

The Aviation DataBase -- STC Selection System
Aviation DataSource, Inc.

No. of STCs: 5

STC Holder: WSH LLC Address: 3255 S. Bodenburg LP, Palmer, AK 99645		Contact us to have your company added here!
STC No.: SH1415NM	Status: Current	App Date: 10/21/1981	Rev Date: 10/21/2022
TC Nos.: H1IN,
Models: Airbus Helicopters: SA.315B Alouette III
ACO: AIR-778: Alaska Aviation Section ANC
Installation of a Perkins Plastics part no 3180-20 bubble window in the right hand door

STC Holder: WSH LLC Address: 3255 S. Bodenburg Loop, Palmer, AK 99645, United States		Contact us to have your company added here!
STC No.: SH3744NM	Status: Current	App Date: 04/13/1987	Rev Date: 03/03/2023
TC Nos.: H13WE, H1RM, H3NM, H3SO, H5SO, H6SO, H7SO, R00012AT,
Models: International Helicopters Inc.: UH-1B Overseas Aircraft Support Inc.: UH-1B Red Tail Flying Services LLC: UH-1B Richards Heavylift Helo Inc.: UH-1B Rotorcraft Development Corporation: UH-1B, UH-1B Southwest Florida Aviation International: SW204 (UH-1B), SW204HP (UH-1B) WSH LLC: UH-1B
ACO: AIR-778: Alaska Aviation Section ANC
Dual Battery Installation

STC Holder: WSH LLC Address: 3255 S. Bodenburg Loop, Palmer, AK 99645, United States		Contact us to have your company added here!
STC No.: SH3744NM	Status: Historical	App Date: 04/13/1987	Rev Date: 12/01/2020
TC Nos.: H3SO,
Models: Richards Heavylift Helo Inc.: UH-1B
ACO: Anchorage ACO Branch, Tel: +1 (907) 271-2668
Dual Battery Installation

STC Holder: WSH LLC Address: 3255 S. Bodenburg Loop, Palmer, AK 99645, United States		Contact us to have your company added here!
STC No.: SH5690NM	Status: Current	App Date: 08/13/1991	Rev Date: 02/05/2022
TC Nos.: H13WE, H1RM, H1SW, H3NM, H3SO, H4NM, H5NM, H5SO, H7SO, H8NM, H9NM,
Models: Bell Helicopter Textron Inc.: 204B, UH-1E International Helicopters Inc.: UH-1B Overseas Aircraft Support Inc: UH-1E Richards Heavylift Helo Inc.: UH-1B Rotorcraft Development Corporation: UH-1B, UH-1B, UH-1E San Joaquin Helicopters: UH-1B Smith Helicopters: UH-1E West Coast Fabrications: UH-1E
ACO: AIR-778: Alaska Aviation Section ANC
Installation of Advanced Technology Aircraft Co. engine barrier filter.

STC Holder: WSH LLC Address: 3255 S. Bodenburg Loop, Palmer, Alaska 99645		Contact us to have your company added here!
STC No.: SR02491AK	Status: Current	App Date: 06/22/2017	Rev Date: 08/17/2023
TC Nos.: H6SW,
Models: Bell Helicopter Textron: 214B, 214B-1
ACO: AIR-778: Alaska Aviation Section ANC
Reduction / Limitation of passenger seats to nine (9) or less