FAA-listed STC holder

Helicopter Support Inc Services Div STCs

The Jun 30, 2026 FAA DRS snapshot lists 12 selected supplemental type certificates with status Current under Helicopter Support Inc Services Div. The records span 26 public aircraft directories and 2 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.

listed Current at snapshot

aircraft directories

modification categories

Jan 30, 2004

latest recorded revision

Modification mix

Engine and powerplant8 Fuel systems4

Aircraft represented

Recently revised records

Showing the 12 most recently revised records. Category directories provide the complete paginated discovery path.

12 displayed records.

Search every indexed record for this holder. The table below contains the recently revised records shown on this page.

Helicopter Support Inc Services Div supplemental type certificates, aircraft applicability, source status and dates
STC and modification	Aircraft / model / TC	Source status and dates	Holder and authority
SE00022EN Installation of Oil Tank Filler Neck Check Valve. Fuel systems View record	Pratt & Whitney Canada PT6B-36TC E21NE Pratt & Whitney Canada PT6B-36ATC E21NE Pratt & Whitney Canada PT6T-3TC E22EA Pratt & Whitney Canada PT6T-3ATC E22EA Pratt & Whitney Canada PT6T-3BTC E22EA Pratt & Whitney Canada PT6T-6TC E22EA Pratt & Whitney Canada PT6A-66TC E26NE Pratt & Whitney Canada PT6A-67TC E26NE Pratt & Whitney Canada PT6A-67ATC E26NE Pratt & Whitney Canada PT6A-67RTC E26NE	Current at cited snapshot Revised Jan 30, 2004 Application: Apr 19, 1989	FAA holder: Helicopter Support Inc Services Div FAA authority record
SE00023EN Installation of Oil Tank Filler Neck Check Valve, Part Number TSA100Sa, Parts List Rev A dated 7/3/1997. Fuel systems View record	Pratt & Whitney Canada PW118TC E20NE Pratt & Whitney Canada PW118ATC E20NE Pratt & Whitney Canada PW120TC E20NE Pratt & Whitney Canada PW120ATC E20NE Pratt & Whitney Canada PW121TC E20NE Pratt & Whitney Canada PW123TC E20NE Pratt & Whitney Canada PW124BTC E20NE Pratt & Whitney Canada PW125BTC E20NE Pratt & Whitney Canada PW126ATC E20NE	Current at cited snapshot Revised Jan 30, 2004 Application: Jan 30, 1990	FAA holder: Helicopter Support Inc Services Div FAA authority record
SE00024EN Installation of oil tank filler neck check valve. Fuel systems View record	Pratt & Whitney Division JT9D-3ATC E20EA Pratt & Whitney Division JT9D-7TC E20EA Pratt & Whitney Division JT9D-7ATC E20EA Pratt & Whitney Division JT9D-7AHTC E20EA Pratt & Whitney Division JT9D-7FTC E20EA Pratt & Whitney Division JT9D-7HTC E20EA Pratt & Whitney Division JT9D-7JTC E20EA Pratt & Whitney Division Turbo Wasp JT8D-1TC E2EA Pratt & Whitney Division Turbo Wasp JT8D-11TC E2EA Pratt & Whitney Division Turbo Wasp JT8D-15TC E2EA Pratt & Whitney Division Turbo Wasp JT8D-17TC E2EA Pratt & Whitney Division Turbo Wasp JT8D-17RTC E2EA Pratt & Whitney Division Turbo Wasp JT8D-1ATC E2EA Pratt & Whitney Division Turbo Wasp JT8D-5TC E2EA Pratt & Whitney Division Turbo Wasp JT8D-7TC E2EA Pratt & Whitney Division Turbo Wasp JT8D-7ATC E2EA Pratt & Whitney Division Turbo Wasp JT8D-7BTC E2EA Pratt & Whitney Division Turbo Wasp JT8D-9TC E2EA Pratt & Whitney Division Turbo Wasp JT8D-9ATC E2EA Pratt & Whitney Division JT9D-59ATC E3NE Pratt & Whitney Division JT9D-70ATC E3NE Pratt & Whitney Division JT9D-7QTC E3NE Pratt & Whitney Division JT9D-7Q3TC E3NE	Current at cited snapshot Revised Jan 30, 2004 Application: Sep 2, 1986	FAA holder: Helicopter Support Inc Services Div FAA authority record
SH1038NE Installation of engine exhaust ejector assembly. Engine and powerplant View record	Bell Helicopter Textron 212TC H4SW Bell Helicopter Textron 412TC H4SW	Current at cited snapshot Revised Jan 30, 2004 Application: Jan 20, 1992	FAA holder: Helicopter Support Inc Services Div FAA authority record
SH424NE 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. Engine and powerplant View record	Bell Helicopter Textron (Canada) 222TC H9SW Bell Helicopter Textron (Canada) 222BTC H9SW	Current at cited snapshot Revised Jan 30, 2004 Application: Aug 20, 1991	FAA holder: Helicopter Support Inc Services Div FAA authority record
SH569NE Installation of an engine inlet screen assembly, Tri-State Aviation P/N TSA001M. Engine and powerplant View record	Bell Helicopter Textron (Canada) 222UTC H9SW Bell Helicopter Textron (Canada) 222BTC H9SW Bell Helicopter Textron (Canada) 222TC H9SW	Current at cited snapshot Revised Jan 30, 2004 Application: Mar 3, 1988	FAA holder: Helicopter Support Inc Services Div FAA authority record
SH773NE Installation of exhaust ejector Sikorsky P/N 76305-07501 and exhaust duct assembly Sikorsky P/N 76305-07500-042 repaired and modified. Engine and powerplant View record	Sikorsky Aircraft S-76BTC H1NE	Current at cited snapshot Revised Jan 30, 2004 Application: May 25, 1990	FAA holder: Helicopter Support Inc Services Div FAA authority record
SH863NE Installation of oil tank filler neck check valve, P/N TSA-76A. Fuel systems View record	Sikorsky Aircraft S-76ATC H1NE Sikorsky Aircraft S-76BTC H1NE	Current at cited snapshot Revised Jan 30, 2004 Application: Nov 1, 1989	FAA holder: Helicopter Support Inc Services Div FAA authority record
SH960NE Installation of engine exhaust ejector assembly 212-061-200-011/012. Engine and powerplant View record	Bell Helicopter Textron 212TC H4SW Bell Helicopter Textron 412TC H4SW	Current at cited snapshot Revised Jan 30, 2004 Application: Feb 27, 1992	FAA holder: Helicopter Support Inc Services Div FAA authority record
SR00014NY Installation of engine exhaust assembly Messerschmitt P/N 117-65135-01/02. Engine and powerplant View record	Eurocopter Deutschland GmbH MBB-BK 117 A-1TC H13EU	Current at cited snapshot Revised Jan 30, 2004 Application: Feb 2, 1993	FAA holder: Helicopter Support Inc Services Div FAA authority record
SR00097BO 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. Engine and powerplant View record	Sikorsky Aircraft S-76BTC H1NE	Current at cited snapshot Revised Jan 30, 2004 Application: Jan 7, 1999	FAA holder: Helicopter Support Inc Services Div FAA authority record
SR00354NY Installation of modification to engine air inlet cowl P/N 76303-07501-042/043/044/045/046 and 76302/07500/050/055. Engine and powerplant View record	Sikorsky Aircraft S-76BTC H1NE	Current at cited snapshot Revised Jan 30, 2004 Application: Nov 24, 1993	FAA holder: Helicopter Support Inc Services Div FAA authority record