Reported engine systems (FAA SDR)

Engine - Turbine/Turboprop498 (33.9%)
Engine Fuel & Control328 (22.3%)
Ignition156 (10.6%)
Engine Indicating135 (9.2%)
Engine Oil124 (8.4%)
Engine Air73 (5%)
Power Plant58 (3.9%)
Engine Controls41 (2.8%)
Starting33 (2.2%)
Engine Exhaust15 (1%)
Other6 (0.4%)
Reciprocating Engine3 (0.2%)

Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).

Airworthiness directives

2025-0079: Time Limits / Maintenance Checks - Airworthiness Limitations Section - Amendment (2025-04-10)
2024-0207R1-CN: CANCELLED: Engine - Gas Generator First Stage High Pressure Turbine Blades - Replacement (2025-03-10)
2024-0207R1: [Correction] Engine - Gas Generator First Stage High Pressure Turbine Blades - Replacement (2024-12-12)
2024-0207: [Correction] Engine - Gas Generator First Stage High Pressure Turbine Blades - Replacement (2024-11-12)
2023-25527: Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Engines (2023-11-20)
2023-14585: Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Engines (2023-07-10)
2023-0110: Fire Protection - Fire Detectors - Replacement (2023-05-26)
2023-01113: Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Turboshaft Engines (2023-01-20)
2022-0256: Fire Protection - Fire Detectors - Replacement (2022-12-19)
2017-0102R2: Engine Fuel & Control - High Pressure / Low Pressure Fuel Pump Metering Unit - Inspection / Replacement (2022-08-29)
2022-0083: Time Limits / Maintenance Checks - Airworthiness Limitations Section - Amendment (2022-05-11)
2016-0004R1: Engine Fuel & Control - Hydro-Mechanical Metering Unit - Inspection (2022-04-22)
2017-0102R1: Engine Fuel & Control - High Pressure / Low Pressure Fuel Pump Metering Unit - Inspection / Replacement (2022-02-16)
2021-15041: Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Turboshaft Engines (2021-07-15)
2021-14520: Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Turboshaft Engines (2021-07-09)
2021-10310: Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Turboshaft Engines (2021-05-17)
2021-05046: Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Turboshaft Engines (2021-03-11)
2021-04454: Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.), Turboshaft Engines (2021-03-05)
2020-0151-E: Engine - Module 03 / Stage 2 High Pressure Turbine Disc - Replacement (2020-07-09)
2020-0046: Engine Fuel & Control - Full Authority Digital Engine Control B / Digital Engine Control Unit - Inspection / Replacement (2020-03-04)
2019-0180: Engine Fuel & Control - Fuel Filter Pre-blockage Pressure Switch - Operational Check (2019-07-25)
2019-0110: Engine - Torque Conformation Box - Check (2019-05-21)
2018-0273: Time Limits / Maintenance Checks - Airworthiness Limitations Section - Amendment (2018-12-13)
2018-16652: Airworthiness Directives; Safran Helicopter Engines, S.A., Turboshaft Engines (2018-08-08)
2018-09466: Airworthiness Directives; Safran Helicopter Engines, S.A., Turboshaft Engines (2018-05-07)
2017-0064R2: Engine Fuel & Control - Drain Valve Assembly - Inspection / Replacement (2018-04-19)
2007-0117-CN: CANCELLED: Engines Formerly Used by Non-Civil Operators - Civil Use (2018-01-24)
2007-0045-CN: CANCELLED: Engines Formerly Used by Non-Civil Operators - Civil Use (2018-01-24)
2018-0003: Time Limits / Maintenance Checks - Airworthiness Limitation Section - Amendment / Implementation (2018-01-05)
2017-15434: Airworthiness Directives; Safran Helicopter Engines, S.A., Turboshaft Engines (2017-07-24)
2017-0121: Time Limits / Maintenance Checks - Airworthiness Limitation Section - Amendment / Implementation (2017-07-17)
2017-0064R1: Engine Fuel & Control - Drain Valve Assembly - Inspection / Replacement (2017-06-27)
2017-0102: Engine Fuel & Control - High Pressure / Low Pressure Fuel Pump Metering Unit - Inspection / Replacement (2017-06-13)
2013-0170R1: Engine Fuel & Control - Hydro-Mechanical Metering Unit - Inspection / Replacement (2017-04-18)
2017-0064-E: Engine Fuel & Control - Drain Valve Assembly - Inspection / Replacement (2017-04-12)
2017-0061: Engine - Front Support Pins - Inspection / Replacement (2017-04-07)
2017-05236: Airworthiness Directives; Safran Helicopter Engines, S.A., Turboshaft Engines (2017-03-15)
2017-04634: Airworthiness Directives; Safran Helicopter Engines, S.A. Turboshaft Engines (2017-03-09)
2017-0019R1: Engine Fuel & Control - Drain Valve Assembly - Inspection / Replacement (2017-02-22)
2017-0019-E: Engine Fuel & Control - Drain Valve Assembly - Inspection / Replacement (2017-02-03)
2016-31695: Airworthiness Directives; Safran Helicopter Engines, S.A. (Formerly Turbomeca S.A.) Turboshaft Engines (2016-12-30)
2016-0235: Engine - Front Support - Replacement (2016-11-24)
2016-26184: Airworthiness Directives; Turbomeca S.A. Turboshaft Engines (2016-11-01)
2016-0055R1: Engine - Accessory Gear Box Module M01 - Inspection / Replacement (2016-10-11)
2016-12549: Airworthiness Directives; Turbomeca S.A. Turboshaft Engines (2016-05-31)
2016-0098: Engine Fuel & Control - Hydro-Mechanical Metering Unit - Modification (2016-05-23)
2016-0090: Engine - Gas Generator (Module 03) / Centrifugal Impeller - Replacement (2016-05-10)
2011-0218R1: Engine - Module M04 (Power Turbine) / Power Turbine Blades - Life Limit / Replacement (2016-04-27)
2016-09121: Airworthiness Directives; Turbomeca S.A. Turboshaft Engines (2016-04-20)
2016-0055: Engine - Accessory Gear Box Module M01 - Inspection / Replacement (2016-03-17)
2016-05318: Airworthiness Directives; Turbomeca S.A. Turboshaft Engines (2016-03-10)
2016-04028: Airworthiness Directives; Turbomeca S.A. Turboshaft Engines (2016-02-26)
2016-02477: Airworthiness Directives; Turbomeca S.A. Turboshaft Engines (2016-02-09)
2016-0004: [Correction] Engine Fuel & Control - Hydro-Mechanical Metering Unit - Inspection (2016-02-05)
2010-0215R1: Engine Fuel & Control - High Pressure / Low Pressure Fuel Pump Metering Unit - Inspection / Replacement (2016-01-26)
2016-0009: Engine - Gas Generator (Module 03) / Piston Shaft Small Diameter Labyrinth - Modification / Replacement (2016-01-13)
2015-0213: Engine Fuel & Control - Hydro-Mechanical Metering Unit - Additional Check Valve and Constant Delta Pressure Valve Diaphragm - Replacement (2015-10-16)
2015-0177: Engine - Torque Conformation Box - Check (2015-08-25)
2015-0175: Engine Indicating - Tachometer Boxes - Replacement (2015-08-24)
2015-0162: Engine - Accessory Gear Box Module M01 - Inspection / Replacement (2015-08-06)
2015-0064R1: Engine - Front Support Pins - Inspection / Replacement (2015-07-29)
2015-18051: Airworthiness Directives; Turbomeca S.A. Turboshaft Engines (2015-07-28)
2015-0064: Engine - Front Support Pins - Inspection / Replacement (2015-04-23)
2014-23353: Airworthiness Directives; Turbomeca S.A. Turboshaft Engines (2014-10-01)
2014-14951: Airworthiness Directives; Turbomeca S.A. Turboshaft Engines (2014-06-30)
2014-08008: Airworthiness Directives; Turbomeca S.A. Turboshaft Engines (2014-04-10)
2014-0036: Engine - Accessory Gear Box (M01) - 41/23 Tooth Bevel Gear Assembly - Check / Replacement (2014-02-11)
2013-0079R1: Engine Fuel & Control - Hydro-Mechanical Metering Unit - Replacement (2014-01-27)
2014-01090: Airworthiness Directives; Turbomeca S.A. Turboshaft Engines (2014-01-22)
2013-30459: Airworthiness Directives; Turbomeca S.A. Turboshaft Engines (2013-12-24)
2013-27185: Airworthiness Directives; Turbomeca S.A. Turboshaft Engines (2013-11-15)
2013-0171: Engine Fuel & Control - Hydro-Mechanical Metering Unit (HMU) Constant Delta Pressure Valve Diaphragm - Replacement (2013-07-30)
2013-0170: Engine Fuel & Control - Hydro-Mechanical Metering Unit - Inspection / Replacement (2013-07-30)
2013-0120: Engine - Free Turbine Bearing Plug - Inspection / Rework (2013-06-04)
2013-09349: Airworthiness Directives; Turbomeca S.A. Turboshaft Engines (2013-04-23)
2013-0079: Engine Fuel & Control - Hydro-Mechanical Metering Unit - Replacement (2013-03-22)
2013-02032: Airworthiness Directives; Turbomeca S.A. Turboshaft Engines (2013-01-31)
2012-0124R1: Engine - Module M03 (Gas Generator) - Turbine Blades - Modification (2013-01-22)
2013-00130: Airworthiness Directives; Turbomeca S.A. Turboshaft Engines (2013-01-10)
2012-0187R2: Engine - Airworthiness Limitation Section - Cycle Counting Aid System - Modification/Amendment (2012-12-06)
2012-28839: Airworthiness Directives; Turbomeca S.A. Turboshaft Engines (2012-12-03)
2012-28637: Airworthiness Directives; Turbomeca S.A. Turboshaft Engines (2012-12-03)
2012-0187R1: Engine - Airworthiness Limitation Section - Cycle Counting Aid System - Modification/Amendment (2012-10-11)
2012-22536: Airworthiness Directives; Turbomeca S.A. Turboshaft Engines (2012-09-19)
2012-0187: Engine - Airworthiness Limitation Section - Cycle Counting Aid System - Modification/Amendment (2012-09-18)
2010-0101R3: Engine - Module M03 (Gas Generator) - Post-TU347 Second Stage Turbine Disc - Reduced Life Limit (2012-09-05)
2012-0147: Engine Fuel & Control - Digital Engine Control Unit - Software Modification (2012-08-07)
2012-0143: Engine - Gas Generator Second Stage Turbine - Inspection / Replacement (2012-08-01)
2012-0141: Engine Fuel & Control - Hydro-Mechanical Metering Unit - Replacement (2012-07-31)
2012-0124: Engine - Module M03 (Gas Generator) - Turbine Blade - Modification (2012-07-09)
2012-0117: Engine - Gas Generator Rotating Assembly and Rear Bearing - Check / Replacement (2012-07-03)
2009-0236R1: Engine - Gas Generator 2nd Stage Turbine - Inspection / Replacement (2012-06-22)
2012-15182: Airworthiness Directives; Turbomeca S.A. Turboshaft Engines (2012-06-21)
2012-0071: Engine - Axial Compressor, Gas Generator Hollow Shaft and Rear Bearing - Identification / Inspection / Cleaning / Replacement (2012-04-26)
2012-9789: Airworthiness Directives; Turbomeca S.A. Turboshaft Engines (2012-04-25)
2012-0063: Engine Fuel & Control - Fuel Control Unit (FCU) 3-way Union Plug - Inspection (2012-04-17)
2012-0054: Engine - Module M03 (Gas Generator) - Turbine Blade - Modification (2012-04-02)
2012-3255: Airworthiness Directives; Turbomeca S.A. Turboshaft Engines (2012-02-14)
2012-79: Airworthiness Directives; Turbomeca Turboshaft Engines (2012-01-09)
2011-32890: Airworthiness Directives; Turbomeca Turboshaft Engines (2011-12-23)
2011-0249: Engine Fuel & Control - Digital Engine Control Unit (DECU) - Identification / Replacement (2011-12-22)
2011-31797: Airworthiness Directives; Turbomeca Arriel 1 Series Turboshaft Engines (2011-12-13)
2011-30574: Airworthiness Directives; Turbomeca S.A. Arriel 2B Turboshaft Engines (2011-11-29)
2011-0218: Engine - Module M04 (Power Turbine) / Power Turbine Blades - Life Limit / Replacement (2011-11-10)
2011-16955: Airworthiness Directives; Turbomeca S.A. ARRIEL 2B and 2B1 Turboshaft Engines (2011-07-08)
2011-0128-E: Engine Fuel & Control - Hydro-Mechanical Metering Unit (HMU) - Inspections / Replacement (2011-07-06)
2010-0101R2: Engine - Module M03 (Gas Generator) - Post-TU347 Second Stage Turbine Disc - Reduced Life Limit (2011-03-24)
2011-4832: Airworthiness Directives; Turbomeca Model Arriel 1E2, 1S, and 1S1 Turboshaft Engines (2011-03-04)
2010-0273R1: Engine - Module M03 (Gas Generator) - Second Stage Turbine Nozzle Guide Vane - Inspection/Replacement (2011-02-16)
2011-0023-E: [Correction] Engine Fuel & Control - Low Pressure Fuel System / Ejector Assembly - Inspection / Replacement (2011-02-10)
2009-0010R1: Engine Fuel & Control - Digital Engine Control Unit (DECU) - Software Modification (2011-01-26)
2010-0273: Engine - Module M03 (Gas Generator) - Second Stage Turbine Nozzle Guide Vane - Inspection/Replacement (2010-12-22)
2010-0215: Engine Fuel & Control - High Pressure (HP)/Low Pressure (LP) Pump Metering Unit - Low Pressure Fuel Pump Impeller Drive - Inspection/Replacement (2010-10-14)
2010-0198: Engine - Module M03 (Gas Generator) - Turbine Blade - Modification (2010-10-01)
2010-23100: Airworthiness Directives; Turbomeca Arriel 1 Series Turboshaft Engines (2010-09-21)
2010-0101R1: Engine - Module M03 (Gas Generator) - Post-TU347 Second Stage Turbine Disc - Reduced Life Limit (2010-08-04)
2010-0118: Engine - Module M03 (Gas Generator) - Second Stage Turbine Nozzle Guide Vane - Inspection/Replacement (2010-06-18)
2010-0101-E: Engine - Module M03 (Gas Generator) - Post-TU347 Second Stage Turbine Disc - Reduced Life Limit (2010-06-04)
2010-13133: Airworthiness Directives; Turbomeca Arriel 2B1 Turboshaft Engines (2010-06-02)
2010-10720: Airworthiness Directives; Turbomeca Arriel 1B, 1D, 1D1, and 1S1 Turboshaft Engines (2010-05-17)
2010-6628: Airworthiness Directives; Turbomeca ARRIEL 1B, 1D, 1D1, 2B, and 2B1 Turboshaft Engines (2010-04-02)
2010-3000: Airworthiness Directives; Turbomeca Arriel 2S1 Turboshaft Engines (2010-02-16)
2010-1735: Airworthiness Directives; Turbomeca Arriel 2B and 2B1 Turboshaft Engines (2010-02-04)
2010-337: Airworthiness Directives; Turbomeca S.A. Model Arriel 1B, 1D, and 1D1 Turboshaft Engines (2010-01-14)

Occurrences naming this engine

63 occurrences, 8 fatal, 27 fatalities.

2002-07-16 — Sikorsky S76A (Modified) (10 fatalities)
2006-12-27 — Aerospatiale SA365N Dauphin 2 (6 fatalities)
2007-09-15 — Eurocopter AS350B2 Squirrel (4 fatalities)
2001-01-21 — AS350B2 Ecureuil (3 fatalities)
2018-06-13 — AS350B2 Ecureuil (1 fatalities)
2017-05-05 — AS350 B3e Ecureuil (1 fatalities)
2017-05-05 — AS350 B3e Ecureuil (1 fatalities)
2007-10-10 (1 fatalities)
2022-09-17 — AS-350
2020-05-04
2020-03-03 — Eurocopter AS350B2
2018-12-15

Engine-failure occurrences on aircraft using this engine

0 occurrences, 0 fatal, 0 fatalities.

These occurrences are engine-failure events on aircraft families that can be fitted with this engine; the engine type of each specific aircraft is not confirmed. Do not read this list as a record for this engine.