Turbomeca (Safran) ARRIEL 2S1
30 aircraft on the U.S. register carry a Turbomeca (Safran) ARRIEL 2S1 engine, rated at about 833 horsepower. The Sikorsky S-76 is the model most often fitted with it (30 aircraft). The aircraft carrying it were built between 1996 and 2005.
The FAA records engines by code, usually at the level of a series ("O-320 series") rather than the exact variant; this page gathers every FAA code that reads as Turbomeca (Safran) ARRIEL 2S1. FAA spelling: ARRIEL 2S1.
Where they are owner's state
New York5Florida5Louisiana4Massachusetts2Delaware2California2Vermont1Utah1Texas1Pennsylvania1
Kind of aircraft
Helicopters30 (100%)
When the aircraft were built by decade
What the FAA has certified, ordered and been told about the Turbomeca (Safran) ARRIEL 2S1 the component layer
The FAA has issued 7 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 45 failure reports with the FAA since 1995, 33 of them in the last ten years.
FAA orders 7 airworthiness directives · newest first
2016-04-142016-04-12 · Engine accessory gearbox (AGB) · engine
2016-03-152016-03-02 · Torque conformation box (TCB) · engine
2015-09-012015-13-04 · Engine accessory gearbox (AGB) · engine
2010-03-232010-04-07 · Engine · engine
2007-12-142007-24-10 · HP/LP fuel pump · engine
2003-03-072003-03-12 · Bleed Valve · engine
Failure reports 45 since · what operators and shops told the FAA
Parts most often reported as the reports name them
Engine3Line3Transducer3Blade2Fire Detector2Housing2Lamp2Pump2Wire Harness2Autopilot Sys1
Latest reports
2018-01-22Resistor: inoperative
2017-03-06Relay: inoperative
2016-06-12Fire Detector: intermittent
2015-12-17Duct: disconnected
2015-09-19Drive Shaft: broken
Sources: the FAA's type certificate data sheets, airworthiness directives, supplemental type certificates, special conditions and special airworthiness information bulletins (Dynamic Regulatory System), and the FAA's service difficulty reports. A failure report is what an operator or repair station chose to file; the counts show reporting as much as reliability, and larger and commercial fleets report more. How the systems are grouped.
Connections how this engine series links to the rest of the register
Fitted to
- Sikorsky S-76 30 with this engine series
Where they are
- New York 5 of these aircraft
- Florida 5 of these aircraft
- Louisiana 4 of these aircraft
- Massachusetts 2 of these aircraft
- Delaware 2 of these aircraft
Biggest operators
- Arrow Aviation Company LLC 4 of these aircraft
Airworthiness
- FAA orders naming the Turbomeca (Safran) ARRIEL 2S1 7 airworthiness directives
- Failure reports on the Turbomeca (Safran) ARRIEL 2S1 45 reports since 1995
Analytics
These connections as data: /graph/engine/turbomeca-safran-arriel-2s1.json · about the eFlight graph.
Aircraft newest certificates first · 30
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N913GR | Sikorsky S-76C |
Rotorcraft | S-76 Parts LLC Blauvelt, New York |
Standard | 2026-09-24 | ValidFAA registration status code V: Valid registration. All codes |
| N914GR | Sikorsky S-76C |
Rotorcraft | S-76 Parts LLC Blauvelt, New York |
Standard | 2026-09-24 | ValidFAA registration status code V: Valid registration. All codes |
| N76GA | Sikorsky S-76C |
Rotorcraft | Turbine Holdings II LLC New York, New York |
Standard | 2026-07-11 | ValidFAA registration status code V: Valid registration. All codes |
| N983TS | Sikorsky S-76C |
Rotorcraft | Islander Holdings LTD Fort Lauderdale, Florida |
Standard | 2026-07-05 | ValidFAA registration status code V: Valid registration. All codes |
| N76PC | Sikorsky S-76C |
Rotorcraft | So Much for Subtlety LLC Dover, Delaware |
Standard | 2026-04-25 | ValidFAA registration status code V: Valid registration. All codes |
| N707DS | Sikorsky S-76C |
Rotorcraft | Cas LLC Longboat Key, Florida |
Standard | 2026-04-07 | ValidFAA registration status code V: Valid registration. All codes |
| N495RL | Sikorsky S-76C |
Rotorcraft | Sugar Pine Aviation LLC Merlin, Oregon |
Standard | 2026-02-06 | ValidFAA registration status code V: Valid registration. All codes |
| N30RT | Sikorsky S-76C |
Rotorcraft | Bank of Utah Trustee Salt Lake City, Utah |
Standard | 2026-01-12 | ValidFAA registration status code V: Valid registration. All codes |
| N725MF | Sikorsky S-76C |
Rotorcraft | Arrow Aviation Company LLC Broussard, Louisiana |
Standard | 2025-08-08 | ValidFAA registration status code V: Valid registration. All codes |
| N969YC | Sikorsky S-76C |
Rotorcraft | Yonkers Contracting Company INC Yonkers, New York |
Standard | 2025-01-21 | ValidFAA registration status code V: Valid registration. All codes |
| N155RR | Sikorsky S-76C |
Rotorcraft | Cas LLC Longboat Key, Florida |
Standard | 2025-01-14 | ValidFAA registration status code V: Valid registration. All codes |
| N399KK | Sikorsky S-76C |
Rotorcraft | Standard | 2024-10-10 | ValidFAA registration status code V: Valid registration. All codes | |
| N76FX | Sikorsky S-76C |
Rotorcraft | Co-owned owner Connecticut |
Standard | 2023-09-12 | ValidFAA registration status code V: Valid registration. All codes |
| N576DT | Sikorsky S-76C |
Rotorcraft | Area 109 LLC Brooklyn, New York |
Standard | 2023-05-31 | ValidFAA registration status code V: Valid registration. All codes |
| N328PK | Sikorsky S-76C |
Rotorcraft | Onyx Aviation LLC Needham, Massachusetts |
Standard | 2023-04-27 | ValidFAA registration status code V: Valid registration. All codes |
| N927MS | Sikorsky S-76C |
Rotorcraft | Onyx Aviation LLC Needham, Massachusetts |
Standard | 2023-04-26 | ValidFAA registration status code V: Valid registration. All codes |
| N803S | Sikorsky S-76C |
Rotorcraft | Pma 1 LLC Wilmington, Delaware |
Standard | 2023-03-11 | ValidFAA registration status code V: Valid registration. All codes |
| N96SP | Sikorsky S-76C |
Rotorcraft | Co-owned owner New Jersey |
Standard | 2022-10-29 | ValidFAA registration status code V: Valid registration. All codes |
| N866AL | Sikorsky S-76C |
Rotorcraft | Mar Aviation LLC Tulsa, Oklahoma |
Standard | 2021-08-11 | ValidFAA registration status code V: Valid registration. All codes |
| N861AL | Sikorsky S-76C |
Rotorcraft | Arrow Aviation Company LLC Broussard, Louisiana |
Standard | 2021-05-01 | ValidFAA registration status code V: Valid registration. All codes |
| N865AL | Sikorsky S-76C |
Rotorcraft | Arrow Aviation Company LLC Broussard, Louisiana |
Standard | 2021-05-01 | ValidFAA registration status code V: Valid registration. All codes |
| N868AL | Sikorsky S-76C |
Rotorcraft | Arrow Aviation Company LLC Broussard, Louisiana |
Standard | 2021-05-01 | ValidFAA registration status code V: Valid registration. All codes |
| N91AE | Sikorsky S-76C |
Rotorcraft | Perfect Agreements Leasing INC Trabuco Canyon, California |
Standard | 2021-02-02 | ValidFAA registration status code V: Valid registration. All codes |
| N664BC | Sikorsky S-76C |
Rotorcraft | Flow Line Transportation LLC Dallas, Texas |
Standard | 2018-10-16 | ValidFAA registration status code V: Valid registration. All codes |
| N323CH | Sikorsky S-76C-2 |
Rotorcraft | Helinet Aviation Services LLC Van Nuys, California |
Standard | 2017-11-22 | ValidFAA registration status code V: Valid registration. All codes |
| N982TS | Sikorsky S-76C |
Rotorcraft | Monroe County Sheriffs Office Key West, Florida |
Standard | 2017-09-12 | ValidFAA registration status code V: Valid registration. All codes |
| N311WG | Sikorsky S-76C |
Rotorcraft | Pentair LLC Palmetto, Florida |
Standard | 2017-09-11 | ValidFAA registration status code V: Valid registration. All codes |
| N926CF | Sikorsky S-76C |
Rotorcraft | Montgomery Capital II of Delaware LLC Fort Washington, Pennsylvania |
Standard | 2011-09-16 | ValidFAA registration status code V: Valid registration. All codes |
| N98PC | Sikorsky S-76C |
Rotorcraft | Southern Company Services INC Birmingham, Alabama |
Standard | 2003-02-11 | ValidFAA registration status code V: Valid registration. All codes |
| N981TS | Sikorsky S-76C |
Rotorcraft | Individual owner Vermont |
Standard | Sale reportedFAA registration status code 17: Sale reported, pending cancellation. All codes |
Source: FAA Civil Aviation Registry, Releasable Aircraft Database (the engine reference table and each aircraft's engine code), October 5, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.