FAA-listed STC holder

Bristow US LLC STCs

The Jun 30, 2026 FAA DRS snapshot lists 3 selected supplemental type certificates with status Current under Bristow US LLC. The records span 3 public aircraft directories and 3 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

Dec 1, 2015

latest recorded revision

Modification mix

Safety and emergency equipment1 Avionics1 Aircraft connectivity1

Aircraft represented

Sikorsky Aircraft S-76C226 STCs Sikorsky Aircraft S-76A173 STCs Sikorsky Aircraft S-92A118 STCs

Recently revised records

Showing the 3 most recently revised records. Category directories provide the complete paginated discovery path.

3 displayed records.

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

Bristow US LLC supplemental type certificates, aircraft applicability, source status and dates
STC and modification	Aircraft / model / TC	Source status and dates	Holder and authority
SR09577RC Installation of an Automatic Deployable Emergency Locator Transmitter (ADELT) System. Safety and emergency equipment View record	Sikorsky Aircraft S-76ATC H1NE Sikorsky Aircraft S-76CTC H1NE	Current at cited snapshot Revised Dec 1, 2015 Application: Oct 1, 2009	FAA holder: Bristow US LLC FAA authority record
SR09589RC Installation of Single TDR-94D Transponder with Automatic Dependent Surveillance-Broadcast integrated with two (2) RTU-4200 or RTU-4210 Radio Tuning Units, and a Single GNSS position source. Avionics View record	Sikorsky Aircraft S-92ATC R00024BO	Current at cited snapshot Revised Mar 7, 2014 Application: Dec 10, 2009	FAA holder: Bristow US LLC FAA authority record
SR09632RC Installation of an Automatic Dependent Surveillance-Broadcast (ADS-B) System including Trig TT22 Mode S transponder, Trig TC20 transponder controller, Comant transponder antenna, FreeFlight Systems 1201 GPS/WAAS Sensor, and FreeFlight Systems GPS antenna. Aircraft connectivity View record	Sikorsky Aircraft S-76CTC H1NE	Current at cited snapshot Revised Mar 28, 2013 Application: Apr 7, 2010	FAA holder: Bristow US LLC FAA authority record

Modification mix

Aircraft represented

Recently revised records

Installation of an Automatic Deployable Emergency Locator Transmitter (ADELT) System.

Installation of Single TDR-94D Transponder with Automatic Dependent Surveillance-Broadcast integrated with two (2) RTU-4200 or RTU-4210 Radio Tuning Units, and a Single GNSS position source.

Installation of an Automatic Dependent Surveillance-Broadcast (ADS-B) System including Trig TT22 Mode S transponder, Trig TC20 transponder controller, Comant transponder antenna, FreeFlight Systems 1201 GPS/WAAS Sensor, and FreeFlight Systems GPS antenna.