The U.S. aircraft register, updated daily
Engines · turboshaft · data as of October 5, 2026

Turbomeca (Safran) ARRIEL 1C1

2 aircraft on the U.S. register carry a Turbomeca (Safran) ARRIEL 1C1 engine, rated at about 705 horsepower. The Aerospatiale SA365N1 is the model most often fitted with it (1 aircraft).

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 1C1. FAA spelling: ARRIEL 1C1.

Fitted to model families

Aerospatiale SA365N11Airbus Helicopters AS-3651

Aerospatiale SA365N1 · Airbus Helicopters AS-365

Where they are owner's state

Oregon1Kansas1

Kind of aircraft

Helicopters2 (100%)

When the aircraft were built by decade

0001111980

What the FAA has certified, ordered and been told about the Turbomeca (Safran) ARRIEL 1C1 the component layer

The FAA has issued 17 airworthiness directives (orders that owners must comply with) that name this engine series.

FAA orders 17 airworthiness directives · newest first

2016-12-062016-22-10 · Centrifugal impeller · engine
2015-09-012015-13-04 · Engine accessory gearbox (AGB) · engine
2014-01-282013-24-05 · Free turbine module · engine
2013-05-282013-08-22 · Tachometer's unit cycle-counting feature · engine
2013-02-142012-27-02 · High gas generator speed (NG) rating vibration check · engine
2013-01-072012-24-03 · Gas generator rotating assembly · engine

All orders naming the Turbomeca (Safran) ARRIEL 1C1

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
Where they are
Biggest operators
Airworthiness

These connections as data: /graph/engine/turbomeca-safran-arriel-1c1.json · about the eFlight graph.

Aircraft newest certificates first · 2

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N365MY Aerospatiale
SA365N1
Rotorcraft Integrity Aircraft Title Holdings LLC
Portland, Oregon
Standard 2023-03-13 ValidFAA registration status code V: Valid registration. All codes
N614AD Eurocopter
AS365N1
Rotorcraft Eurotec Vertical Flight Solutions LLC
Eudora, Kansas
Standard 2013-04-04 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.