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No. of STCs: 4

STC Holder: Whisper Jet Inc. 12515 Willows Road NE Suite 200, Kirkland, WA 98034, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH127WE	Status: Current	App Date: 08/08/1968	Rev Date: 10/13/2000
Description: Installation of AiResearch TSE-331-3U-303N engine and related changes.
TC Nos.: 1H4
Models: Sikorsky Aircraft CorporationS-55, S-55B, S-55C
ACO: AIR-770: West Certification Branch SEA

STC Holder: Whisper Jet Inc. 12515 Willows Road NE Suite 200, Kirkland, WA 98034, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01034AT	Status: Current	App Date: 09/27/1995	Rev Date: 07/01/2002
Description: Installation of forward and aft facing seats and cabin interior.
TC Nos.: 1H4
Models: Sikorsky Aircraft CorporationS-55
ACO: AIR-770: West Certification Branch SEA

STC Holder: Whisper Jet Inc. 12515 Willows Road NE Suite 200, Kirkland, WA 98034, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01274AT	Status: Current	App Date: 03/18/1996	Rev Date: 07/01/2002
Description: Installation of cabin doors and windows.
TC Nos.: 1H4
Models: Sikorsky Aircraft CorporationS-55
ACO: AIR-770: West Certification Branch SEA

STC Holder: Whisper Jet Inc. 12515 Willows Road NE Suite 200, Kirkland, WA 98034, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR09229RC	Status: Current	App Date: 08/01/1994	Rev Date: 06/07/2010
Description: Installation approval of a 5 blade main rotor system and the Air Research TSE331-10UA-511SW engine
TC Nos.: 1H4
Models: Sikorsky Aircraft CorporationS-55
ACO: AIR-760: Central Certification Branch FTW