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

Turbomeca (Safran) ARRIEL 1B

17 aircraft on the U.S. register carry a Turbomeca (Safran) ARRIEL 1B engine, rated at about 641 horsepower. The Aerospatiale AS350 is the model most often fitted with it (9 aircraft). The aircraft carrying it were built between 1978 and 2001.

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 1B. FAA spelling: ARRIEL 1B.

Fitted to model families

Aerospatiale AS3509Airbus Helicopters AS350 AStar (Écureuil), now H1255S N I A S AS-3502Airbus Helicopters EC 130 now H1301

Aerospatiale AS350 · Airbus Helicopters AS350 AStar (Écureuil), now H125 · S N I A S AS-350 · Airbus Helicopters EC 130 now H130

Where they are owner's state

Delaware3North Carolina2Arizona2Wyoming1Vermont1Utah1Texas1New York1New Mexico1Minnesota1

Kind of aircraft

Helicopters17 (100%)

When the aircraft were built by decade

0234621970519806199022000

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

The FAA has issued 30 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 807 failure reports with the FAA since 1995, 3 of them in the last ten years.

FAA orders 30 airworthiness directives · newest first

2021-03-222021-05-22 · Turbine Section · engine
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

All orders naming the Turbomeca (Safran) ARRIEL 1B

Failure reports 807 since · what operators and shops told the FAA

03061921229500051017125

Parts most often reported as the reports name them

Igniter42Bearing40Transmitter31Belt29Servo28Blade26Bleed Valve25Gyro21Motor19Indicator18

Latest reports

2025-09-16Module: making metal
2019-02-24Line: cracked
2017-01-11Blower Motor: failed
2014-03-18Control Lever: malfunctioned
2013-10-30Starflex: cracked

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-1b.json · about the eFlight graph.

Aircraft newest certificates first · 17

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N352VH Aerospatiale
AS350BA
Rotorcraft Elt Holdings LLC
Cottonwood, Arizona
Standard 2026-07-08 ValidFAA registration status code V: Valid registration. All codes
N827NA Eurocopter
AS 350 B3
Rotorcraft Roberts Aircraft LLC
Cheyenne, Wyoming
Standard 2025-09-02 ValidFAA registration status code V: Valid registration. All codes
N5805T S N I A S
AS-350B ECUREUIL
Rotorcraft Stefenelli Aviation N-Tr INC Trustee
Attersee,
Standard 2025-07-03 ValidFAA registration status code V: Valid registration. All codes
N114MX Eurocopter
AS 350 BA
Rotorcraft Air Resources Helicopters INC
Salt Lake City, Utah
Standard 2024-09-30 ValidFAA registration status code V: Valid registration. All codes
N352PA Eurocopter
AS 350 B3
Rotorcraft Pathfinder Leasing LLC
Anchorage, Alaska
Standard 2024-07-26 ValidFAA registration status code V: Valid registration. All codes
N929WB Aerospatiale
AS350B
Rotorcraft Aircraft Trustee Services INC Trustee
Dover, Delaware
Standard 2023-09-25 ValidFAA registration status code V: Valid registration. All codes
N927LB Aerospatiale
AS350BA
Rotorcraft Elt Holdings LLC
Cottonwood, Arizona
Standard 2023-08-21 ValidFAA registration status code V: Valid registration. All codes
N963ES Aerospatiale
AS350B
Rotorcraft Fast Helicopters INC Trustee
Wilmington, Delaware
Standard 2021-07-08 ValidFAA registration status code V: Valid registration. All codes
N611TC Aerospatiale
AS350BA
Rotorcraft Aircraft Trustee Services INC Trustee
Dover, Delaware
Standard 2020-04-16 ValidFAA registration status code V: Valid registration. All codes
N234BU Aerospatiale
AS350BA
Rotorcraft Heli-Usa CORP
Houston, Texas
Standard 2019-10-08 ValidFAA registration status code V: Valid registration. All codes
N596WA Eurocopter
AS 350 BA
Rotorcraft Co-owned owner
California
Standard 2017-11-15 ValidFAA registration status code V: Valid registration. All codes
N888HV Aerospatiale
AS350B
Rotorcraft Sky West Aviation INC Trustee
Albuquerque, New Mexico
Standard 2014-09-10 ValidFAA registration status code V: Valid registration. All codes
N27WA Aerospatiale
AS350BA
Rotorcraft Wings Air Helicopters LLC
West Harrison, New York
Standard 2014-06-13 ValidFAA registration status code V: Valid registration. All codes
N111LN Aerospatiale
AS350BA
Rotorcraft C Lou Leasing LLC
Mankato, Minnesota
Restricted 2012-11-19 ValidFAA registration status code V: Valid registration. All codes
N11QD Eurocopter
EC 130
Rotorcraft Mansfield Heliflight INC
Milton, Vermont
Standard 2012-02-22 ValidFAA registration status code V: Valid registration. All codes
N744HD Eurocopter
AS 350 BA
Rotorcraft U S Helicopters INC
Marshville, North Carolina
Standard 2005-09-19 ValidFAA registration status code V: Valid registration. All codes
N888TV S N I A S
AS-350B ECUREUIL
Rotorcraft U S Helicopters INC
Marshville, North Carolina
Standard 1995-09-06 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.