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

Turbomeca (Safran) ARRIEL 2B

20 aircraft on the U.S. register carry a Turbomeca (Safran) ARRIEL 2B engine, rated at about 747 horsepower. The Airbus Helicopters AS350 AStar (Écureuil), now H125 is the model most often fitted with it (19 aircraft). The aircraft carrying it were built between 1998 and 2016.

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 2B. FAA spelling: ARRIEL 2B.

Fitted to model families

Airbus Helicopters AS350 AStar (Écureuil), now H12519Airbus Helicopters MBB-BK 117 D-21

Airbus Helicopters AS350 AStar (Écureuil), now H125 · Airbus Helicopters MBB-BK 117 D-2

Where they are owner's state

California3Arizona3Oregon2Nevada2Delaware2Wyoming1Vermont1Utah1Montana1Massachusetts1

Kind of aircraft

Helicopters20 (100%)

When the aircraft were built by decade

04710145199014200012010

What the FAA has certified, ordered and been told about the Turbomeca (Safran) ARRIEL 2B the component layer

The FAA has issued 20 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 332 failure reports with the FAA since 1995, 20 of them in the last ten years.

FAA orders 20 airworthiness directives · newest first

2016-04-142016-04-12 · Engine accessory gearbox (AGB) · engine
2015-09-012015-13-04 · Engine accessory gearbox (AGB) · engine
2012-10-242012-18-18 · Gas generator (GG) turbine blade · engine
2012-05-302012-08-18 · PT Blade Rupture · engine
2012-03-202012-03-11 · High-pressure/low-pressure (HP/LP) pump hydro-mechanical metering units (HMUs) · engine
2011-12-142011-24-07 · Hydromechanical units (HMUs) · engine

All orders naming the Turbomeca (Safran) ARRIEL 2B

Failure reports 332 since · what operators and shops told the FAA

0122538509904091419126

Parts most often reported as the reports name them

Engine10Fitting10Hose9Servo9Line8Compressor7Indicator7Pressure Switch7Valve7Bearing6

Latest reports

2026-08-08Elec Connector: burned
2024-10-31Connector: contaminated
2024-03-30Servo: unknown
2023-10-02Terminal: broken
2023-09-18Friction Pad: faulty

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-2b.json · about the eFlight graph.

Aircraft newest certificates first · 20

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N350TA Eurocopter
AS 350 B3
Rotorcraft Roberts Aircraft LLC
Cheyenne, Wyoming
Standard 2025-09-09 ValidFAA registration status code V: Valid registration. All codes
N805BT Eurocopter
AS 350 B3
Rotorcraft Beta Fleet LLC
South Burlington, Vermont
Standard 2025-08-27 ValidFAA registration status code V: Valid registration. All codes
N215GH Eurocopter
AS 350 B3
Rotorcraft Base Camp Aviation LLC
Mccall, Idaho
Restricted 2025-08-22 ValidFAA registration status code V: Valid registration. All codes
N47WH Eurocopter
AS 350 B3
Rotorcraft International Air Services INC Trustee
Carson City, Nevada
Standard 2025-03-12 ValidFAA registration status code V: Valid registration. All codes
N151RM Eurocopter
AS 350 B3
Rotorcraft Bank of Utah Trustee
Salt Lake City, Utah
Standard 2024-04-04 ValidFAA registration status code V: Valid registration. All codes
N350VR Eurocopter
AS 350 B3
Rotorcraft Precision LLC
Mcminnville, Oregon
Experimental 2023-12-28 ValidFAA registration status code V: Valid registration. All codes
N855PA Eurocopter
AS 350 B3
Rotorcraft Ns Air Leasing LLC
Wilmington, Delaware
Standard 2023-07-17 ValidFAA registration status code V: Valid registration. All codes
N359PA Eurocopter France
AS 350 B3
Rotorcraft Ns Air Leasing LLC
Wilmington, Delaware
Standard 2023-04-28 ValidFAA registration status code V: Valid registration. All codes
N695HS Airbus Helicopters Deutschland
MBB-BK 117 D-2
Rotorcraft Mocha LLC
Tucson, Arizona
Standard 2023-02-06 ValidFAA registration status code V: Valid registration. All codes
N385AK Eurocopter
AS 350 B3
Rotorcraft Alpha Aviation LLC
Anchorage, Alaska
Standard 2022-05-28 ValidFAA registration status code V: Valid registration. All codes
N351CH Eurocopter
AS 350 B3
Rotorcraft Sycan CORP DBA Sinton Helicopters
Paso Robles, California
Standard 2020-06-29 ValidFAA registration status code V: Valid registration. All codes
N352HD Eurocopter
AS 350 B3
Rotorcraft T Scott Dunn Construction INC DBA
Phoenix, Oregon
Standard 2018-03-05 ValidFAA registration status code V: Valid registration. All codes
N151AE Eurocopter
AS 350 B3
Rotorcraft Phi Health LLC
Tempe, Arizona
Standard 2016-07-28 ValidFAA registration status code V: Valid registration. All codes
N973AE Eurocopter
AS 350 B3
Rotorcraft Phi Health LLC
Tempe, Arizona
Standard 2016-07-28 ValidFAA registration status code V: Valid registration. All codes
N39EW Eurocopter
AS 350 B3
Rotorcraft Tuckamore Aviation CORP
Hudson, Massachusetts
Standard 2015-10-16 ValidFAA registration status code V: Valid registration. All codes
N353SH Eurocopter
AS 350 B3
Rotorcraft Sycan CORP DBA
Paso Robles, California
Standard 2015-01-20 ValidFAA registration status code V: Valid registration. All codes
N354SH Eurocopter
AS 350 B3
Rotorcraft Sycan CORP DBA
Paso Robles, California
Standard 2007-05-07 ValidFAA registration status code V: Valid registration. All codes
N901CF Eurocopter
AS 350 B3
Rotorcraft Regional Emergency Medical Services Authority
Reno, Nevada
Standard 2007-01-30 ValidFAA registration status code V: Valid registration. All codes
N411MB Eurocopter
AS 350 B3
Rotorcraft Vertical CORP
Kalispell, Montana
Standard 2006-09-13 ValidFAA registration status code V: Valid registration. All codes
N186AE Eurocopter
AS 350 B3
Rotorcraft US Department of Homeland Security
Washington, District of Columbia
Experimental 2005-06-09 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.