# Turbomeca ARRIEL-1C - Type: Engine model (FAA registry) - Registry code: 60049 - Manufacturer (registry): TURBOMECA - Model: ARRIEL 1C - Engine type: Turbo-shaft - Power: 659 hp - Data sheet: [TCDS E19EU](https://openairdocs.org/tcds/E19EU) (OpenAirDocs) - Holder: Safran Helicopter Engines, S.A.S. - Installed in: 0 registered aircraft - Page: https://openairdocs.org/engine/turbomeca-arriel-1c Model codes come from the FAA registry's reference file. ## ADs that may apply (OpenAirDocs) Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. - [AD 2023-13-14](https://openairdocs.org/ad/2023-13-14): Engine · Safran Helicopter Engines Arriel 1C, Arriel 1C1, Arriel 1C2 and 1 more. Effective Jul 25, 2023 - [AD 2021-05-22](https://openairdocs.org/ad/2021-05-22): Turbine Section · Turbomeca Arriel 1B, Arriel 1C, Arriel 1C2 and 3 more. Effective Mar 22, 2021 - [AD 2017-15-07](https://openairdocs.org/ad/2017-15-07): Fuel Control/Turbine Engines · Safran Helicopter Engines Arriel 1A1, Arriel 1A2, Arriel 1B and 9 more. Effective Aug 8, 2017 - [AD 2016-22-10](https://openairdocs.org/ad/2016-22-10): Centrifugal impeller · Turbomeca Arriel 1, Arriel 1A, Arriel 1A1 and 13 more. Effective Dec 6, 2016 - [AD 2015-13-04](https://openairdocs.org/ad/2015-13-04): Engine accessory gearbox (AGB) · Turbomeca Arriel 1A1, Arriel 1A2, Arriel 1B and 16 more. Effective Sep 1, 2015 - [AD 2013-24-05](https://openairdocs.org/ad/2013-24-05): Free turbine module · Turbomeca Arriel 1A1, Arriel 1A2, Arriel 1B and 9 more. Effective Jan 28, 2014 - [AD 2013-08-22](https://openairdocs.org/ad/2013-08-22): Tachometer's unit cycle-counting feature · Turbomeca Arriel 1A1, Arriel 1A2, Arriel 1B and 9 more. Effective May 28, 2013 - [AD 2012-27-02](https://openairdocs.org/ad/2012-27-02): High gas generator speed (NG) rating vibration check · Turbomeca Arriel 1A1, Arriel 1A2, Arriel 1B and 9 more. Effective Feb 14, 2013 - [AD 2012-24-03](https://openairdocs.org/ad/2012-24-03): Gas generator rotating assembly · Turbomeca Arriel 1A, Arriel 1A1, Arriel 1A2 and 10 more. Effective Jan 7, 2013 - [AD 2010-19-06 R1](https://openairdocs.org/ad/2010-19-06-R1): Turbine disc · Turbomeca Arriel 1A, Arriel 1A1, Arriel 1B and 6 more. Effective Jan 17, 2012 - [AD 2009-26-07](https://openairdocs.org/ad/2009-26-07): Reduction gearboxes (module M05) · Turbomeca Arriel 1A1, Arriel 1A2, Arriel 1B and 9 more. Effective Jan 12, 2010 - [AD 2007-02-17](https://openairdocs.org/ad/2007-02-17): Fuel leak at the level of start electro valve · Turbomeca Arriel 1A, Arriel 1A1, Arriel 1A2 and 12 more. Effective Mar 2, 2007 - [AD 2003-16-03](https://openairdocs.org/ad/2003-16-03): Second Stage Turbine Disk · Turbomeca Arriel 1A, Arriel 1A1, Arriel 1A2 and 10 more. Effective Sep 12, 2003 - [AD 2003-03-12](https://openairdocs.org/ad/2003-03-12): Bleed Valve · Turbomeca Arriel 1A2, Arriel 1C, Arriel 1C1 and 12 more. Effective Mar 7, 2003 - [AD 2000-20-01](https://openairdocs.org/ad/2000-20-01): Rear Bearing Oil Return System · Turbomeca Arriel 1A, Arriel 1A1, Arriel 1A2 and 9 more. Effective Oct 17, 2000 Historical (superseded or no longer in force): - [AD 2023-01-12](https://openairdocs.org/ad/2023-01-12) (historical): Engine (Turbine/Turboprop) · Safran Helicopter Engines Arriel 1C, Arriel 1C1 and Arriel 1C2. Effective Feb 6, 2023 - [AD 2017-04-51](https://openairdocs.org/ad/2017-04-51) (historical): Fuel Control/ Turbine Engines · Safran Helicopter Engines Arriel 1A1, Arriel 1A2, Arriel 1B and 9 more. Effective Mar 30, 2017 - [AD 2014-19-05](https://openairdocs.org/ad/2014-19-05) (historical): Engine accessory gearbox (AGB) · Turbomeca Arriel 1A1, Arriel 1A2, Arriel 1B and 16 more. Effective Nov 5, 2014 - [AD 2010-19-06](https://openairdocs.org/ad/2010-19-06) (historical): Gas generator · Turbomeca Arriel 1A, Arriel 1A1, Arriel 1B and 6 more. Effective Oct 6, 2010 - [AD 2009-12-51](https://openairdocs.org/ad/2009-12-51) (historical): Gearboxes (module M05) · Turbomeca Arriel 1A1, Arriel 1A2, Arriel 1B and 9 more. Effective Jul 15, 2009 - [AD 2003-12-14](https://openairdocs.org/ad/2003-12-14) (historical): Axial Compressor · Turbomeca Arriel 1A, Arriel 1A1, Arriel 1A2 and 11 more. Effective Jul 25, 2003 - [AD 95-11-01](https://openairdocs.org/ad/95-11-01) (historical): Generator · Turbomeca Arriel 1A, Arriel 1A1, Arriel 1A2 and 6 more. Effective Jun 21, 1995 ## Registered aircraft None registered with this engine model now. ## NTSB investigations None matched to aircraft with this engine model. ## FAA accident and incident reports None matched to aircraft with this engine model. ## Service difficulty reports (48) As reported by operators and repair stations, by the model named in the report. - [SDR OLJA2023060500301](https://openairdocs.org/sdr/OLJA2023060500301), Sep 8, 2022: BEARING. FAILED. #1 ENGINE LOSS OF OIL PRESSURE FOLLOWED BY THE #1 ENGINE FAILURE. AT APPROXIMATELY 2050L, COMPLETED AN UNEVENTFUL TAKEOFF UNDER NVGS FROM A NIGHT SCENE AT THREE - [SDR CA120612015](https://openairdocs.org/sdr/CA120612015), Jun 11, 2012: BEARING. FAILED. (CAN) CHECKED CHIP PLUG AFTER 1.5 HRS OPERATING TIME, DUE TO METAL FOUND ON PLUG DURING 100 HR INSPECTION, REMOVED T/R GEARBOX AND INSTALLED SPARE. CHECKED TGB - [SDR MHI2012F00000](https://openairdocs.org/sdr/MHI2012F00000), Jun 5, 2012: TURBINE BLADES. DESTROYED. DURING TAXI BOTH PILOTS HEARD AN ABNORMAL WHINNING NOISE COMING FROM THE NR 1 ENGINE, IMMEDIATELY FOLLOWED BY A NR 1 ENGINE CHIP LIGHT. THEY SHUT THE ENGINES DO - [SDR MHIA20120605001](https://openairdocs.org/sdr/MHIA20120605001), Jun 3, 2012: ENGINE. MALFUNCTIONED. THE AIRCRAFT WAS SCHEDULED FOR A CHARTER. WHILE TAXIING TO THE TAKEOFF SPOT BOTH PILOTS HEARD A LOUD NOISE COMING FROM THE NR 1 ENGINE FOLLOWED BY A CHIP LIGHT. - [SDR QMLA2011072311080](https://openairdocs.org/sdr/QMLA2011072311080), Jul 23, 2011: CONNECTOR. CONTAMINATED. THE NR 1 GAUGE WENT TO ZERO WITH NO ASSOCIATED WARNING LIGHT WHILE IN CRUISE FLIGHT. THE PILOT IMMEDIATELY LANDED AT THE CLOSEST AIRPORT AND CALLED THE MECHANIC - [SDR QMLA2011061411064](https://openairdocs.org/sdr/QMLA2011061411064), Jun 14, 2011: CABLE. BROKEN. PILOT NOTED ON ENGINE START, THAT THE NR 2 ENGINE NG INDICATION WAS 15 PERCENT LOWER THAN THE NR 1 ENGINE NG INDICATION. PERFORMED A NORMAL ENGINE SHUTDOWN AND - [SDR QMLA2011052011058](https://openairdocs.org/sdr/QMLA2011052011058), May 20, 2011: CONNECTOR. LOOSE. AFTER LANDING AT A SCENE TO PICK UP A PATIENT, THE PILOT NOTICED THE NR 1 ENGINE OIL PRESSURE INDICATION DROP TO 0 PSI. THE PILOT IMMEDIATELY SHUTDOWN ACFT, AND - [SDR KY1R2011072510012](https://openairdocs.org/sdr/KY1R2011072510012), Jul 25, 2010: CHIP DETECTOR. BROKEN. ON PREFLIGHT INSPECTION, PILOT FOUND M04 MAGNETIC DETECTOR TIP BROKEN FROM BASE. TIP OF THE DETECTOR WAS RETAINED BY THE MAGNETIC BASE, AND SUBSEQUENTLY REMOVED - [SDR BAQA200700023](https://openairdocs.org/sdr/BAQA200700023), Jun 29, 2007: WIRE HARNESS. DEFECTIVE. DURING LEVEL FLIGHT NR 1 ENGINE FIRE LIGHT ILLUMINATED. AIRCRAFT WAS LANDED WITHOUT FURTHER INCIDENT. AFTER MECHANIC INVESTIGATED FOR CAUSE FOUND ENGINE WIRING - [SDR BAQ2006F00003](https://openairdocs.org/sdr/BAQ2006F00003), Jul 5, 2006: ENGINE. MAKING METAL. ENGINE CHIP DETECTOR ILLUMINATED ON GROUND. REAR BEARING ELECTRICAL DETECTOR AND ACCESSORY GEARBOX AND REDUCTION GEARBOX WERE INSPECTED WITH METAL FOUND ON REAR - [SDR BAQ2006F00004](https://openairdocs.org/sdr/BAQ2006F00004), Jul 5, 2006: GEARBOX. MAKING METAL. ENGINE CHIP DETECTOR ILLUMINATED ON GROUND. REAR BEARING ELECTRICAL DETECTOR AND ACCESSORY GEARBOX AND REDUCTION GEARBOX WERE INSPECTED WITH METAL FOUND ON REAR - [SDR AU510001643](https://openairdocs.org/sdr/AU510001643), Dec 12, 2005: COUPLING. CRACKED. (AUS) TAIL ROTOR DRIVESHAFT FORWARD FLEXIBLE COUPLING CRACKED. INVESTIGATION FOUND MECHANICAL DAMAGE ON THE EDGE OF THE COUPLING AT ONE END OF THE CRACK. (OTHER - [SDR AU510001872](https://openairdocs.org/sdr/AU510001872), Dec 12, 2005: PROBE. FAILED. (AUS) NR 1 ENGINE T4 TEMPERATURE PROBE SEPARATED FROM ENGINE. LOCKING NUT STILL FIRMLY ATTACHED TO MOUNTING POINT. (CASA NR 510001872) - [SDR BAQ2005F00000](https://openairdocs.org/sdr/BAQ2005F00000), Nov 10, 2004: BLADE. CRACKED. FOUND CRACK ON 1 SIDE OF T/R BLADE AT STA 540.00, CRACK EXTEND FROM DOUBLER BACK 4 INCHES ALONG STA 540. CORDWISE REF FIG. 1 OF AD 2002-25-51 AIRCRAFT WAS POST - [SDR KBM2005F00014](https://openairdocs.org/sdr/KBM2005F00014), Apr 14, 2004: INDICATOR. INTERMITTENT. ATTITUDE INDICATOR, WILL NOT HOLD ATT, REMOVED AND REPLACED. (K) - [SDR BAQA088195](https://openairdocs.org/sdr/BAQA088195), Aug 5, 2003: METERING VALVE. MALFUNCTIONED. FUEL FLOW METER COULD NOT SET. WOULD NOT GIVE CORRECT BURN RATE. REPLACED WITH SERVICEABLE UNIT. - [SDR EGR2004F00001](https://openairdocs.org/sdr/EGR2004F00001), Aug 2, 2003: BLADE. FAILED. MAIN ROTOR BLADE FAILED. CONTINUITY TEST BETWEEN LEADING EDGE AND GROUND STRAP BOLT. - [SDR AUS20021401](https://openairdocs.org/sdr/AUS20021401), Dec 4, 2002: WINDSHIELD. BIRD STRIKE. (AUS) LT WINDSHIELD STRUCK BY SEAGULL IN THE LOWER RIGHT CORNER. WINDSHIELD CRACKED. - [SDR ZYW2002F00000](https://openairdocs.org/sdr/ZYW2002F00000), Nov 6, 2001: BLEED VALVE. LEAKING. BLEED VALVE, AIR LEAKING OUT BODY. REMOVED AND REPLACED. - [SDR OLJ2001F00002](https://openairdocs.org/sdr/OLJ2001F00002), Aug 28, 2001: PUMP. MALFUNCTIONED. PILOT DETECTED AN ODOR OF SMOKE IN CABIN OF AIRCRAFT AND PERFORMED A PRECAUTIONARY LANDING. MAINTENANCE WAS DISPATCHED TO AIRCRAFT. A MEDICAL PUMP WAS FOUND TO - [SDR OU1R01003](https://openairdocs.org/sdr/OU1R01003), Aug 13, 2001: PRESSURE SWITCH. FAILED. AUX HYDRAULIC LIGHT ILLUMINATED INFLIGHT. AIRCRAFT MADE PRECAUTIONARY UNSCHEDULED LANDING TO VACANT PARKING LOT. CAUSED BY UNIT FAILURE. - [SDR OLJ2001F00001](https://openairdocs.org/sdr/OLJ2001F00001), Aug 12, 2001: PRESSURE SWITCH. INOPERATIVE. AUX HYDRAULIC ILLUMINATED DURING CRUISE FLIGHT. PILOT PERFORMED A PRECAUTIONARY LANDING. MAINTENANCE WAS DISPATCHED TO THE SITE. MAINTENANCE FOUND PRESSURE SWIT - [SDR 20010130CW009](https://openairdocs.org/sdr/20010130CW009), Jan 5, 2001: GEARBOX. FAILED. INITIAL GRND RUN-UP, AFTER MJR INSP, A T/R GBX FAILURE WAS EXPERIENCED AFTER APPROX 15-20 MINUTES. AC JERKED SEVERAL TIMES ALONG THE YAW AXIS, WITH NR1 ENG RUNN - [SDR OLJA574U001](https://openairdocs.org/sdr/OLJA574U001), Dec 19, 2000: HOSE. LEAKING. FOUND ON DAILY INSPECTION, HYDRAULIC FLUID LEAKING FROM PRESSURE LINE TO NOSE LANDING GEAR ACTUATOR. PRESSURE LINE HOSE REPLACED IN NOSE LANDING GEAR ACTUATOR. - [SDR OLJA574U002](https://openairdocs.org/sdr/OLJA574U002), Dec 13, 2000: HOSE. LEAKING. LT HYDRAULIC SYSTEM LEAK DURING AC RUN UP. TROUBLESHOOTING FOUND HYDRAULIC HOSE BETWEEN DISTRIBUTION MANIFOLD AND T FITTING IN HYDRAULIC BAY RUPTURED. REPLACED - [SDR 20001016SH025](https://openairdocs.org/sdr/20001016SH025), Aug 31, 2000: TRANSMITTER. INTERMITTENT. FUEL PRESSURE INTERMITTENT. REMOVED AND REPLACED TRANSMITTER. (X) - [SDR 20000406SH006](https://openairdocs.org/sdr/20000406SH006), Jan 28, 2000: DRAIN VALVE. LEAKING. VALVE LEAKING AROUND SPLIT LINE OF CASING. (X) - [SDR 20000605SH008](https://openairdocs.org/sdr/20000605SH008), Dec 17, 1999: GENERATOR. INOPERATIVE. HE GENERATOR INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X) - [SDR 99ZZZX226](https://openairdocs.org/sdr/99ZZZX226), Sep 11, 1998: DIFFUSER. DAMAGED. TEC TECH REP AT FACILITY TO C/W TU 202. SECOND STAGE NOZZLE INSTALLATION AFTER REMOVAL OF MODULES 2 AND 3 HEARD PIECES INSIDE ENGINE. UPON TEAR-DOWN OR SEPARATI - [SDR MVH0064158](https://openairdocs.org/sdr/MVH0064158), May 12, 1997: FCU. MALFUNCTIONED. FUEL CONTROL INOPERATIVE. SLOW STARTS AND FLUCTUATING RPM. - [SDR MVH0064159](https://openairdocs.org/sdr/MVH0064159), May 12, 1997: TRANSMITTER. NOT CALIBRATED. TRANSMITTER CALIBRATED IMPROPERLY. - [SDR MVH0064160](https://openairdocs.org/sdr/MVH0064160), May 12, 1997: ENGINE. MAKING METAL. ENGINE MAKING METAL AND MODULE 3 DUE TBO. - [SDR MVH0064153](https://openairdocs.org/sdr/MVH0064153), Apr 8, 1997: SENSOR. MALFUNCTIONED. OVERSPEED FAIL LIGHT ILLUMINATES INTERMITTENTLY. - [SDR MVH0064152](https://openairdocs.org/sdr/MVH0064152), Apr 3, 1997: FCU. MALFUNCTIONED. FUEL CONTROL INOPERABLE. HARD STARTS AND HOT STARTS FIRST START OF THE DAY. - [SDR MVH0064143](https://openairdocs.org/sdr/MVH0064143), Nov 18, 1996: CHECK VALVE. LEAKING. REPLACED VALVE FOR EXTERNAL LEAKING SN P171B. REMOVED VALVE SN P171B AND INSTALLED SERVICABLE VALVE , SN K575B. - [SDR MVH0064141](https://openairdocs.org/sdr/MVH0064141), Nov 16, 1996: MAGNETIC SEAL. LEAKING. MAG SEAL REMOVED FOR LEAKING. - [SDR MVH0064119](https://openairdocs.org/sdr/MVH0064119), Sep 13, 1996: CHIP DETECTOR. LEAKING. CHIP PLUG LEAKS THROUGH BODY AND ELECTRODE IS LOOSE. - [SDR MVH0064099](https://openairdocs.org/sdr/MVH0064099), Jul 30, 1996: TRANSMITTER. FAILED. TORQUE TRANSMITTER SHORTED INTERNALLY. - [SDR MVH0064096](https://openairdocs.org/sdr/MVH0064096), Jul 29, 1996: TRANSMITTER. READS LOW. TORQUE TRANSMITTER READS LOW. - [SDR 96ZZZX3174](https://openairdocs.org/sdr/96ZZZX3174), May 8, 1996: IGNITER. TIP WORN. IGNITER TIPS WORN. REPLACED 3 EACH. REMOVED AND REPLACED IGNITERS. - [SDR 96ZZZX3175](https://openairdocs.org/sdr/96ZZZX3175), May 8, 1996: IGNITER. TIP WORN. IGNITER TIPS WORN. REPLACED 3 EACH. REMOVED AND REPLACED IGNITERS. - [SDR 96ZZZX3176](https://openairdocs.org/sdr/96ZZZX3176), May 8, 1996: IGNITER. TIP WORN. IGNITER TIPS WORN. REPLACED 3 EACH. REMOVED AND REPLACED IGNITERS. - [SDR 96ZZZX2799](https://openairdocs.org/sdr/96ZZZX2799), Mar 1, 1996: ELECTROVALVE. FAILED. NR 2 ENGINE WOULD NOT HAVE T4 CLIMB UNTIL NG SHOWED 30 PERCENT, THEN RAPID RISE ONCE IGNITION OCCURRED. REPLACED START FUEL ELECTROVALVE. - [SDR 95ZZZX6499](https://openairdocs.org/sdr/95ZZZX6499), Oct 6, 1995: H. E. GENERATOR. DEFECTIVE. INTERMITTENT OPERATION OF H.E. GENERATOR. - [SDR EGRA95101](https://openairdocs.org/sdr/EGRA95101), Jun 12, 1995: GENERATOR. INOP. HE GENERATOR INOPERATIVE . REPLACED - [SDR HEEA955042](https://openairdocs.org/sdr/HEEA955042), May 19, 1995: HE GENERATOR. INOPERATIVE. HE GENERATOR INOPERATIVE. - [SDR HEEA954673](https://openairdocs.org/sdr/HEEA954673), Apr 4, 1995: IGNITOR. DEFECTIVE. DURING ROUTINE INSPECTION NOTED LH IGNITER DID NOT FIRE. - [SDR 96ZZZX562](https://openairdocs.org/sdr/96ZZZX562), Jan 17, 1995: FUEL CONTROL. FAIL TEST. FCU FAILED MAXIMUM NG CHECK BY MINIMUM OF .8 PERCENT. MINIMUM CHECK OF 101.8 PERCENT MINUS NG EQUALS 101.0 PERCENT. REMOVED FCU FOR REPAIR. ## STCs that may be installed (OpenAirDocs) (2) Approved for this engine model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has. - [STC SE00328AT](https://openairdocs.org/stc/SE00328AT): Installation of a P2 fuel control isolation valve kit. Bell Helicopter Textron Inc - [STC SE00567AT](https://openairdocs.org/stc/SE00567AT): Install Aeronautical Accessories Torque Monitoring System. Bell Helicopter Textron Inc ## PMA parts (OpenAirDocs) (6) Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this engine model on its data sheet, so check the FAA record before relying on it. Newest first. - [1764469](https://drs.faa.gov/browse/excelExternalWindow/FCCF03532F2E39528625787000554BFA.0001): Filter Element Assembly. Purolator Facet Inc (formerly Facet Filter Products) · PMA PQ1207CE · Replaces Eurocopter (Turbomeca) PIN 9560166860… · Dec 9, 2009 - [1763445](https://drs.faa.gov/browse/excelExternalWindow/F055B1BD6D120014862578880057522A.0001): Element Assembly. Purolator Facet Inc (formerly Facet Filter Products) · PMA PQ1207CE · Replaces Turbomeca (Eurocopter) P/N 9560158180… · Dec 3, 2006 - [1763441](https://drs.faa.gov/browse/excelExternalWindow/24BF370184BC849D86257888005751FF.0001): Element Assembly. Purolator Facet Inc (formerly Facet Filter Products) · PMA PQ1207CE · Replaces Turbomeca (Eurocopter) P/N 9520010656… · Dec 3, 2006 - [CH34745](https://drs.faa.gov/browse/excelExternalWindow/77C23E3208488F308525703E006CB628.0001): Igniter Assembly. Champion Aerospace LLC · Replaces Turbomeca 9550175400 · Apr 20, 2003 - [Report No. AA-94025](https://drs.faa.gov/browse/excelExternalWindow/EA6EFCD6C4949E338525703B005844E7.0001): Torque Monitoring System. Bell Helicopter Textron Inc (formerly Aeronautical Accessories Inc) · Modification part · Oct 13, 1994 - [Report No. AA-93057](https://drs.faa.gov/browse/excelExternalWindow/0AD5DADF3AEB81F18525703B00584B70.0001): P2 Fuel Control Isolation Valve Kit. Bell Helicopter Textron Inc (formerly Aeronautical Accessories Inc) · Modification part · Sep 12, 1993 --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.