Turbomeca (Safran) ARRIEL 1S1
4 aircraft on the U.S. register carry a Turbomeca (Safran) ARRIEL 1S1 engine, rated at about 725 horsepower. The Sikorsky S-76 is the model most often fitted with it (4 aircraft). The aircraft carrying it were built between 1985 and 1995.
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 1S1. FAA spelling: ARRIEL 1S1.
Where they are owner's state
Kind of aircraft
When the aircraft were built by decade
What the FAA has certified, ordered and been told about the Turbomeca (Safran) ARRIEL 1S1 the component layer
The FAA has issued 24 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 78 failure reports with the FAA since 1995, 18 of them in the last ten years.
FAA orders 24 airworthiness directives · newest first
Failure reports 78 since · what operators and shops told the FAA
Parts most often reported as the reports name them
Latest reports
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
- Sikorsky S-76 4 with this engine series
- Bank Of Utah Trustee 2 of these aircraft
- Arrow Aviation Company LLC 1 of these aircraft
- FAA orders naming the Turbomeca (Safran) ARRIEL 1S1 24 airworthiness directives
- Failure reports on the Turbomeca (Safran) ARRIEL 1S1 78 reports since 1995
These connections as data: /graph/engine/turbomeca-safran-arriel-1s1.json · about the eFlight graph.
Aircraft newest certificates first · 4
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N282S | Sikorsky S-76A |
Rotorcraft | Arrow Aviation Company LLC Broussard, Louisiana |
Standard | 2022-02-12 | ValidFAA registration status code V: Valid registration. All codes |
| N653LH | Sikorsky S-76C |
Rotorcraft | Bank of Utah Trustee Salt Lake City, Utah |
Experimental | 2015-04-23 | ValidFAA registration status code V: Valid registration. All codes |
| N644LH | Sikorsky S-76A |
Rotorcraft | Bank of Utah Trustee Salt Lake City, Utah |
Standard | 2015-04-06 | ValidFAA registration status code V: Valid registration. All codes |
| N548GB | Sikorsky S-76C |
Rotorcraft | Aviation Instrument Services INC Miami, Florida |
Standard | 2012-09-19 | ValidFAA registration status code V: Valid registration. 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.