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No. of STCs: 22

STC Holder: Helicopter Support Inc Services Div 116 Quarry Road, Trumbull, CT 06611, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE00022EN	Status: Current	App Date: 04/19/1989	Rev Date: 01/30/2004
Description: Installation of Oil Tank Filler Neck Check Valve.
TC Nos.: E21NE, E22EA, E26NE
Models: Pratt & Whitney Canada Inc.PT6A-66, PT6A-67, PT6A-67A, PT6A-67R, PT6B-36, PT6B-36A, PT6T-3, PT6T-3A, PT6T-3B, PT6T-6
ACO: AIR-7E0: Engine Certification Office Branch

STC Holder: Helicopter Support Inc Services Div 116 Quarry Road, Trumbull, CT 06611, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE00023EN	Status: Current	App Date: 01/30/1990	Rev Date: 01/30/2004
Description: Installation of Oil Tank Filler Neck Check Valve, Part Number TSA100Sa, Parts List Rev A dated 7/3/1997.
TC Nos.: E20NE
Models: Pratt & Whitney Canada Inc.PW118, PW118A, PW120, PW120A, PW121, PW123, PW124B, PW125B, PW126A
ACO: AIR-7E0: Engine Certification Office Branch

STC Holder: Helicopter Support Inc Services Div 116 Quarry Road, Trumbull, CT 06611, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE00024EN	Status: Current	App Date: 09/02/1986	Rev Date: 01/30/2004
Description: Installation of oil tank filler neck check valve.
TC Nos.: E20EA, E2EA, E3NE
Models: Pratt & Whitney DivisionJT9D-3A, JT9D-59A, JT9D-7, JT9D-70A, JT9D-7A, JT9D-7AH, JT9D-7F, JT9D-7H, JT9D-7J, JT9D-7Q, JT9D-7Q3, Turbo Wasp JT8D-1, Turbo Wasp JT8D-11, Turbo Wasp JT8D-15, Turbo Wasp JT8D-17, Turbo Wasp JT8D-17R, Turbo Wasp JT8D-1A, Turbo Wasp JT8D-5, Turbo Wasp JT8D-7, Turbo Wasp JT8D-7A, Turbo Wasp JT8D-7B, Turbo Wasp JT8D-9, Turbo Wasp JT8D-9A
ACO: AIR-7E0: Engine Certification Office Branch

STC Holder: Helicopter Support Inc Services Div 116 Quarry Road, Trumbull, CT 06611, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH1038NE	Status: Current	App Date: 01/20/1992	Rev Date: 01/30/2004
Description: Installation of engine exhaust ejector assembly.
TC Nos.: H4SW
Models: Bell Helicopter Textron212, 412
ACO: AIR-750: East Certification Branch BOS

STC Holder: Helicopter Support Inc Services Div 295 Indian River Road, Orange, CT 06477, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH1038NE	Status: Historical	App Date:	Rev Date: 04/22/1999
Description: Installation of engine exhaust ejector assembly.
TC Nos.: H4SW
Models: Bell Helicopter Textron212, 412
ACO: Boston ACO Branch, Tel: +1 (781) 238-7151

STC Holder: Helicopter Support Inc Services Div 116 Quarry Road, Trumbull, CT 06611, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH424NE	Status: Current	App Date: 08/20/1991	Rev Date: 01/30/2004
Description: Installation of two reinforcing plates P/N TSA-101-1 on Bell P/N 222-062-216-101 exhaust ejector assembly. Eligible for installation on serial numbers up to and including S/N 47146.
TC Nos.: H9SW
Models: Bell Helicopter Textron (Canada)222, 222B
ACO: AIR-750: East Certification Branch BOS

STC Holder: Helicopter Support Inc Services Div 295 Indian River Road, Orange, CT 06477, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH424NE	Status: Historical	App Date:	Rev Date: 01/20/1999
Description: Installation of two reinforcing plates P/N TSA-101-1 on Bell P/N 222-062-216-101 exhaust ejector assembly.
TC Nos.: H9SW
Models: Bell Helicopter Textron (Canada)222, 222B
ACO: Boston ACO Branch, Tel: +1 (781) 238-7151

STC Holder: Helicopter Support Inc Services Div 295 Indian River Road, Orange, CT 06477, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH569NE	Status: Historical	App Date:	Rev Date: 01/20/1999
Description: Installation of an engine inlet screen assembly, Tri-State Aviation P/N TSA001M.
TC Nos.: H9SW
Models: Bell Helicopter Textron (Canada)222, 222B, 222U
ACO: Boston ACO Branch, Tel: +1 (781) 238-7151

STC Holder: Helicopter Support Inc Services Div 116 Quarry Road, Trumbull, CT 06611, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH569NE	Status: Current	App Date: 03/03/1988	Rev Date: 01/30/2004
Description: Installation of an engine inlet screen assembly, Tri-State Aviation P/N TSA001M.
TC Nos.: H9SW
Models: Bell Helicopter Textron (Canada)222, 222B, 222U
ACO: AIR-750: East Certification Branch BOS

STC Holder: Helicopter Support Inc Services Div 295 Indian River Road, Orange, CT 06477, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH576NE	Status: Current	App Date: 05/11/1988	Rev Date: 04/09/1999
Description: Reinforcement and modification of Sikorsky P/N 76305-07003-042 and 76305-07003-044 exhaust ejector assemblies.
TC Nos.: H1NE
Models: Sikorsky Aircraft CorporationS-76A
ACO: AIR-750: East Certification Branch BOS

STC Holder: Helicopter Support Inc Services Div 116 Quarry Road, Trumbull, CT 06611, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH773NE	Status: Current	App Date: 05/25/1990	Rev Date: 01/30/2004
Description: Installation of exhaust ejector Sikorsky P/N 76305-07501 and exhaust duct assembly Sikorsky P/N 76305-07500-042 repaired and modified.
TC Nos.: H1NE
Models: Sikorsky Aircraft CorporationS-76B
ACO: AIR-750: East Certification Branch BOS

STC Holder: Helicopter Support Inc Services Div 295 Indian River Road, Orange, CT 06477, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH773NE	Status: Historical	App Date:	Rev Date: 04/09/1999
Description: Installation of exhaust ejector Sikorsky P/N 76305-07501 and exhaust duct assembly Sikorsky P/N 76305-07500-042 repaired and modified.
TC Nos.: H1NE
Models: Sikorsky Aircraft CorporationS-76B
ACO: Boston ACO Branch, Tel: +1 (781) 238-7151

STC Holder: Helicopter Support Inc Services Div 295 Indian River Road, Orange, CT 06477, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH863NE	Status: Historical	App Date:	Rev Date: 12/29/1998
Description: Installation of oil tank filler neck check valve, P/N TSA-76A.
TC Nos.: H1NE
Models: Sikorsky Aircraft CorporationS-76A, S-76B
ACO: Boston ACO Branch, Tel: +1 (781) 238-7151

STC Holder: Helicopter Support Inc Services Div 116 Quarry Road, Trumbull, CT 06611, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH863NE	Status: Current	App Date: 11/01/1989	Rev Date: 01/30/2004
Description: Installation of oil tank filler neck check valve, P/N TSA-76A.
TC Nos.: H1NE
Models: Sikorsky Aircraft CorporationS-76A, S-76B
ACO: AIR-750: East Certification Branch BOS

STC Holder: Helicopter Support Inc Services Div 116 Quarry Road, Trumbull, CT 06611, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH960NE	Status: Current	App Date: 02/27/1992	Rev Date: 01/30/2004
Description: Installation of engine exhaust ejector assembly 212-061-200-011/012.
TC Nos.: H4SW
Models: Bell Helicopter Textron212, 412
ACO: AIR-750: East Certification Branch BOS

STC Holder: Helicopter Support Inc Services Div 295 Indian River Road, Orange, CT 06477, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH960NE	Status: Historical	App Date:	Rev Date: 04/22/1999
Description: Installation of engine exhaust ejector assembly 212-061-200-011/012.
TC Nos.: H4SW
Models: Bell Helicopter Textron212, 412
ACO: Boston ACO Branch, Tel: +1 (781) 238-7151

STC Holder: Helicopter Support Inc Services Div 116 Quarry Road, Trumbull, CT 06611, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR00014NY	Status: Current	App Date: 02/02/1993	Rev Date: 01/30/2004
Description: Installation of engine exhaust assembly Messerschmitt P/N 117-65135-01/02.
TC Nos.: H13EU
Models: Eurocopter Deutschland GmbHMBB-BK 117 A-1
ACO: AIR-750: East Certification Branch BOS

STC Holder: Helicopter Support Inc Services Div 295 Indian River Road, Orange, CT 06477, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR00014NY	Status: Historical	App Date:	Rev Date: 01/20/1999
Description: Installation of engine exhaust assembly Messerschmitt P/N 117-65135-01/02.
TC Nos.: H13EU
Models: Eurocopter Deutschland GmbHMBB-BK 117 A-1
ACO: Boston ACO Branch, Tel: +1 (781) 238-7151

STC Holder: Helicopter Support Inc Services Div 116 Quarry Road, Trumbull, CT 06611, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR00097BO	Status: Current	App Date: 01/07/1999	Rev Date: 01/30/2004
Description: Installation of modification to the Engine Air Particle Separator (EAPS) Linkage Assy. Of the Sikorsky S-76B Air Inlet Cowl, P/N 76303-07501-042/-043/-044/-045/-046/-047.
TC Nos.: H1NE
Models: Sikorsky Aircraft CorporationS-76B
ACO: AIR-750: East Certification Branch BOS

STC Holder: Helicopter Support Inc Services Div 295 Indian River Road, Orange, CT 06477, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR00097BO	Status: Historical	App Date:	Rev Date: 01/19/1999
Description: Installation of modification to the Engine Air Particle Separator (EAPS) Linkage Assy. Of the Sikorsky S-76B Air Inlet Cowl, P/N 76303-07501-042/-043/-044/-045/-046/-047.
TC Nos.: H1NE
Models: Sikorsky Aircraft CorporationS-76B
ACO: Boston ACO Branch, Tel: +1 (781) 238-7151

STC Holder: Helicopter Support Inc Services Div 295 Indian River Road, Orange, CT 06477, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR00354NY	Status: Historical	App Date:	Rev Date: 01/20/1999
Description: Installation of modification to engine air inlet cowl P/N 76303-07501-042/043/044/045/046 and 76302/07500/050/055.
TC Nos.: H1NE
Models: Sikorsky Aircraft CorporationS-76B
ACO: Boston ACO Branch, Tel: +1 (781) 238-7151

STC Holder: Helicopter Support Inc Services Div 116 Quarry Road, Trumbull, CT 06611, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR00354NY	Status: Current	App Date: 11/24/1993	Rev Date: 01/30/2004
Description: Installation of modification to engine air inlet cowl P/N 76303-07501-042/043/044/045/046 and 76302/07500/050/055.
TC Nos.: H1NE
Models: Sikorsky Aircraft CorporationS-76B
ACO: AIR-750: East Certification Branch BOS