# TCDS E19EU: Safran Helicopter Engines, S.A.S. - Type: Type certificate data sheet - Status: Current - Holder: Safran Helicopter Engines, S.A.S. - Revision: 17 - Revised: March 9, 2026 - Product: Engine - Certification basis: Part 21, Part 33 - Registered aircraft: 330, by the registry models matched to it (OpenAirDocs) - Data sheet PDF: https://openairdocs.org/files/sha256/fa/fe/fafe9b1f9c2570d7a1683413c0c8476b821ae8c370df165abadad50778da24c9 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID199075163420260309191307.0001 - Page: https://openairdocs.org/tcds/E19EU ## Models (16) As the data sheet lists them. - Arriel 1S1 - Arriel 1D - Arriel 1A1 - Arriel 1B2 - Arriel 1A - Arriel 1A2 - Arriel 1E - Arriel 1C - Arriel 1 - Arriel 1D1 - Arriel 1C2 - Arriel 1S - Arriel 1E2 - Arriel 1C1 - Arriel 1K1 - Arriel 1B ## What the data sheet says From the PDF's text layer, line by line; tables lose their columns. The PDF is the record. ```text U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION TYPE CERTIFICATE DATA SHEET E19EU TCDS NUMBER E19EU REVISION: 17* DATE: March 9, 2026 Safran Helicopter Engines, S.A.S. MODELS: ARRIEL 1 ARRIEL 1B ARRIEL 1C ARRIEL 1A ARRIEL 1B2 ARRIEL 1C1 ARRIEL 1A1 ARRIEL 1C2 ARRIEL 1A2 ARRIEL 1D ARRIEL 1S ARRIEL 1K1 ARRIEL 1D1 ARRIEL 1S1 ARRIEL 1E ARRIEL 1E2 Engines of models described herein conforming with this data sheet (which is part of Type Certificate Number E19EU) and other approved data on file with the Federal Aviation Administration, meet the minimum standards for use in certificated aircraft in accordance with pertinent aircraft data sheets and applicable portions of the Federal Aviation Regulations, provided they are installed, operated, and maintained as prescribed by the approved manufacturer's manuals and other approved instructions. TYPE CERTIFICATE (TC) HOLDER Safran Helicopter Engines, S.A.S. (formerly Turbomeca, S.A.) 64511 Bordes - Cedex France I. MODELS ARRIEL 1/1A/1A1/1A2/1B/1B2/1C/1C1/1C2/1D/1D1/1S/1S1/1K1/1E/1E2 TYPE Twin spool (free (turbine) turboshaft engine, single-stage axial compressor, single-stage centrifugal compressor, annular combustion chamber, two-stage gas generator turbine, single-stage power turbine (free turbine), reduction gearbox with nominal output at 6,000 rpm. For twin-engine helicopters: Arriel 1, 1A, 1A1, 1A2, 1C, 1C1, 1C2, 1S, 1S1, 1K1, 1E, 1E2 For single-engine helicopters: Arriel 1B, 1B2, 1D, 1D1 RATINGS RATINGS / SHP (KW) / See NOTE 8 ARRIEL 1 ARRIEL 1A ARRIEL 1A1 ARRIEL 1A2 2-1/2 minute OEI 30-minute OEI Takeoff Maximum continuous 681 (508) 641 (478) 641 (478) 590 (440) 651 (486) 625 (466) 625 (466) 576 (430) 667 (498) 643 (480) 630 (470) 579 (432) 670 (500) 657 (490) 630 (470) 579 (432) ARRIEL 1B ARRIEL 1B2 ARRIEL 1D ARRIEL 1D1 2-1/2 minute OEI 30-minute OEI Takeoff Maximum continuous --- --- 641 (478) 590 (440) --- --- 641 (478) 590 (440) --- --- 684 (510) 603 (450) --- --- 712 (531) 625 (466) * LEGEND: "- -" INDICATES "SAME AS PRECEDING MODEL" NOTICE: ALL PAGES ARE REFORMATTED. SIGNIFICANT CHANGES ARE BLACK-LINED IN THE LEFT MARGIN. PAGE 1 2 3 4 5 6 7 8 9 10 11 REV. 17 16 16 13 13 17 17 9 13 13 16 TCDS E19EU Page 2 of 11 ARRIEL 1C ARRIEL 1C1 ARRIEL 1C2 ARRIEL 1S 2-1/2 minute OEI 700 (522) 721 (538) 763 (569) 751 (560) 30-minute OEI 686 (512) 705 (526) 738 (550) 730 (544) Continuous OEI --- --- --- 730 (544) Takeoff 659 (492) 705 (526) 738 (550) 701 (523) Maximum continuous 586 (437) 586 (437) 632 (471) 701 (523) ARRIEL 1S1 ARRIEL 1K1 ARRIEL 1E ARRIEL 1E2 2-1/2 minute OEI 802 (598) 772 (575) 626 (467) 708 (528) 30-minute OEI 788 (588) 738 (550) 626 (467) 708 (528) Continuous 788 (588) - - 626 (467) 708 (528) Takeoff 725 (541) 738 (550) 626 (467) 708 (528) Maximum continuous 725 (541) 632 (541) 626 (467) 692 (516) FUEL SEE NOTE 15 FUEL CONTROL Safran Helicopter Engines OIL SEE NOTE 14 PRINCIPAL DIMENSIONS Length Width Height Length Width Height Length Width Height CENTER OF GRAVITY REFER TO INSTALLATION MANUAL WEIGHT DRIVE SHAFT TYPE REFER TO INSTALLATION MANUAL IGNITION Low tension, high energy system, including: 2 high energy generators 2 injectors 2 ignitors STARTING Starting unit with electrovalve. Drain valve. (See NOTE 7) PRINCIPAL DIMENSIONS / INCHES ARRIEL 1 ARRIEL 1A ARRIEL 1A1 ARRIEL 1A2 44.2 16.2 23.5 - - - - - - - - - - - - - - - - 24.0 ARRIEL 1B ARRIEL 1B2 ARRIEL 1D ARRIEL 1D1 47.7 17.3 23.5 - - - - 24.0 49.4 19.0 - - 47.3 18.3 24.1 ARRIEL 1C ARRIEL 1C1 ARRIEL 1C2 ARRIEL 1S ARRIEL 1S1 ARRIEL 1K1 ARRIEL 1E, 1E2 45.9 16.2 24.0 - - 18.3 - - - - - - - - 60.3 19.3 30.9 - - - - - - 45.9 19.5 24.3 46.7 19.5 27.4 WEIGHT / DRY / MAXIMUM / POUNDS Refer to engine manual for definition of dry weight ARRIEL 1 ARRIEL 1A ARRIEL 1A1 ARRIEL 1A2 245 - - - - 257 ARRIEL 1B ARRIEL 1B2 ARRIEL 1D ARRIEL 1D1 253 265 272 269 ARRIEL 1C ARRIEL 1C1 ARRIEL 1C2 ARRIEL 1S ARRIEL 1S1 ARRIEL 1K1 ARRIEL 1E, 1E2 257 262 - - 280 286 271 276 TCDS E19EU Page 3 of 11 CERTIFICATION BASIS FAR Sections 21.29 and 33 effective February 1, 1965, and Amendments 33-1 through 33-5. Arriel 1S and 1S1 are additionally certified to FAR Section 33, Paragraphs 33.17(b), 33.67(a)(b) and 33.71(a)(b). The aviation authority for France, the Direction Generale de L'Aviation Civile (DGAC), originally type certificated this engine. The FAA validated this product under U.S. Type Certificate Number E19EU. Effective September 28, 2003, the European Aviation Safety Agency (EASA) began oversight of this product on behalf of France. MODEL APPLICATION DATE TYPE CERTIFICATE ISSUED / AMENDED TYPE CERTIFICATE CANCELED ARRIEL 1 ARRIEL 1A ARRIEL 1B ARRIEL 1A1 ARRIEL 1A2 ARRIEL 1B2 ARRIEL 1C ARRIEL 1C1 ARRIEL 1D ARRIEL 1S ARRIEL 1D1 ARRIEL 1C2 ARRIEL 1S1 ARRIEL 1K1 ARRIEL 1E ARRIEL 1E2 12/05/74 12/05/74 05/30/79 05/30/79 05/30/79 01/30/81 10/22/81 06/11/85 10/07/85 02/22/89 02/22/89 04/07/89 09/13/91 08/23/91 04/02/93 08/22/78 06/30/77 06/30/77 06/26/79 12/28/79 12/28/79 06/08/81 07/20/82 05/28/86 01/29/88 06/01/90 06/01/89 12/19/90 05/06/92 06/26/92 07/26/94 PRODUCTION BASIS ARRIEL 1B, 1E2, 1S, 1S1: Production Certificate Number 5SW. Produced by Safran Helicopter Engines USA Incorporated in the United States under license agreement from Safran Helicopter Engines S.A., France. ARRIEL 1B, 1E2, 1S and 1S1: Engine modules, and parts thereof, produced by Safran Helicopter Engines S.A., France, conforming to this type certificate are fully interchangeable with ARRIEL 1B, 1E2, 1S and 1S1 engine modules, and parts thereof, produced under Production Certificate Number 5SW. Engines manufactured under Production Certificate Number 5SW shall have the suffix "TEC" added to the engine serial number and shall be included in the required identification data as specified by FAR Section 45. IMPORT REQUIREMENTS To be considered eligible for installation on U.S. registered aircraft, each new engine to be exported to the United States with the DGAC or EASA airworthiness approval shall have a Joint Aviation Authorities (JAA) or EASA Form 1, Authorized Release Certificate. The JAA or EASA Form 1 should state that the engine conforms to the type design approved under the U.S. Type Certificate E19EU, is in a condition for safe operation and has undergone a final operational check. Additional guidance is contained in FAA Advisory Circular 21-23, Airworthiness Certification of Civil Aircraft, Engines, Propellers and Related Products Imported into the United States. TCDS E19EU Page 4 of 11 NOTE 1. PERMISSIBLE ENGINE SPEEDS / RPM MAXIMUM GAS GENERATOR SPEED 2-1/2 minute OEI rating 30-minute OEI rating Takeoff rating Maximum continuous rating Transient (5 second limit) Transient (20 second limit) 2-1/2 minute OEI rating 30-minute OEI rating Takeoff rating Maximum continuous rating Transient (5 second limit) Transient (20 second limit) 2-1/2 minute OEI rating 30-minute OEI rating Continuous OEI Takeoff rating Maximum continuous rating Transient (5 second limit) Transient (20 second limit) *For one engine inoperative (OEI) NOTES ARRIEL 1 ARRIEL 1A ARRIEL 1A1 ARRIEL 1A2 52,700 52,000 52,000 50,750 54,650 - - - - - - - - - - 52,900 52,250 - - - - - - - - 52,250 - - - - - - ARRIEL 1B ARRIEL 1B2 ARRIEL 1D ARRIEL 1D1 --- --- --- --- --- --- --- --- 52,000 52,000 52,422 52,330 50,750 - - 50,764 50,760 54,650 - - 50,650 55,690 ARRIEL 1C ARRIEL 1C1 ARRIEL 1C2 ARRIEL 1S ARRIEL 1S1 ARRIEL 1K1 ARRIEL 1E ARRIEL 1E2 53,200 - - 53,560 53,517 - - 53,540 52,888 53,509 52,300 52,060 52,840 52,637 53,257 52,836 52,629 52,835 --- --- --- 52,637 53,257 - - - - - - 51,800 52,060 52,840 52,110 - - 52,836 52,111 52,835 50,500 50,250 50,870 52,110/ - - 52,868 51,800 51,955 52,631 54,650 - - 55,685 54,900 54,900 54,649 55,685* 54,900* 54,900* - - 55,685 55,685 For variation of these limits with outside air temperature (OAT), refer to Operation Manual or Installation Manual. For required action if limits are exceeded, refer to Operation Manual or Maintenance Manual. 100% = 51,800 rpm: Arriel 1/1A/1A1/1A2/1B/1B2/1C/1C1/1C2/1D/1D1/1K1/1E/1E2 100% = 52,110 rpm: Arriel 1S/1S1 TCDS E19EU Page 5 of 11 NOTE 1 (continued) PERMISSIBLE ENGINE SPEEDS (continued) / RPM MAXIMUM POWER SHAFT SPEED POWER SHAFT SPEEDS Maximum stabilized Maximum transient (5 sec) Minimum transient (5 sec) Maximum stabilized Maximum transient (5 sec) Minimum transient (5 sec) Maximum stabilized Maximum transient (5 sec) Minimum transient (5 sec) NOTE 2. MAXIMUM PERMISSIBLE TEMPERATURE A. EXHAUST GAS (t4oc) Measured with 3 thermocouples on gas generator turbine diffuser 2-1/2 minute OEI rating 30-minute OEI rating Takeoff rating Maximum continuous rating Starting Transient (20 sec. limit) 2-1/2 minute OEI rating 30-minute OEI rating Takeoff rating Maximum continuous rating Starting Transient (20 sec. limit) ARRIEL 1 ARRIEL 1A ARRIEL 1A1 ARRIEL 1A2 6,780 7,200 5,140 - - - - - - - - - - - - - - - - - - ARRIEL 1B ARRIEL 1B2 ARRIEL 1D ARRIEL 1D1 6,780 7,200 5,140 - - - - - - 6,480 - - - - - - - - - - ARRIEL 1C ARRIEL 1C1 ARRIEL 1C2 ARRIEL 1S ARRIEL 1S1 ARRIEL 1K1 ARRIEL 1E ARRIEL 1E2 6,480 7,200 5,140 - - - - - - - - - - - - 6,542 - - 6,542 - - 6,480 7,200 5,140 - - - - - - - - - - - - If limits are exceeded, refer to Operation Manual or Maintenance Manual 100% = 5,976 rpm: Arriel 1/1A/1A1/1A2/1B/1B2/1C/1C1/1C2/1D/1D1 100% = 6,057 rpm: Arriel 1S 100% = 6,409 rpm: Arriel 1S1 100% = 6,000 rpm: Arriel 1E, 1E2 ARRIEL 1 ARRIEL 1A ARRIEL 1A1 ARRIEL 1A2 840 810 810 775 840 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ARRIEL 1B ARRIEL 1B2 ARRIEL 1D ARRIEL 1D1 --- --- 810 775 840 --- --- - - - - - - 865 845 845 795 865 - - - - - - - - - - TCDS E19EU Page 6 of 11 NOTE 2. (continued) MAXIMUM PERMISSIBLE TEMPERATURE A. EXHAUST GAS (t4oc) Measured with 3 thermocouples on gas generator turbine diffuser 2-1/2 minute OEI rating 30-minute OEI rating Continuous OEI Takeoff rating Maximum continuous rating Starting Transient (20 sec. limit) NOTE 2 (continued) B. OIL / DEGREES CENTIGRADE / MEASURED AT ENGINE INLET ARRIEL 1 / 1A / 1A1 / 1A2 / 1B / 1B2 Maximum operating temperature: 110°C Minimum for starting: Between -50°C and -40°C, according to oil and fuel specifications. Refer to Operation Manual or Installation Manual. Minimum for power application: Between -10°C and 0°C, according to oil specifications. Refer to Operation Manual or Installation Manual. ARRIEL 1C / 1C1 / 1C2 / 1D / 1D1 / 1K1 Maximum operating temperature: 115°C Minimum for starting: Between -50°C and -40°C, according to oil and fuel specifications. Refer to Operation Manual or Installation Manual. Minimum for power application: Between -10°C and 0°C, according to oil specifications. Refer to Operation Manual or Installation Manual. ARRIEL 1S / 1S1 / 1E / 1E2 Maximum operating temperature: Refer to Operation Manual or Installation Manual. Minimum for starting: Refer to Operation Manual or Installation Manual. Minimum for power application: Refer to Operation Manual or Installation Manual. ARRIEL 1C ARRIEL 1C1 ARRIEL 1C2 ARRIEL 1S ARRIEL 1S1 ARRIEL 1K1 ARRIEL 1E, 1E2 860 865 885 - - - - - - - - 835 845 - - - - 868 845 - - --- --- --- 845 868 845 - - 835 845 - - - - - - - - - - 785 775 - - 845* 845 775 845* 860 865 - - - - - - 865*** - - 920** 920** 920** 920** - - If limits are exceeded, refer to Operation Manual or Maintenance Manual for required action. * For two engine operation or one engine inoperative. ** For one engine inoperative. *** 5 second limit. TCDS E19EU Page 7 of 11 C. FUEL / DEGREES CENTRIGRADE / MEASURED AT ENGINE INLET ALL MODELS Maximum operating temperature: 50°C Minimum for starting: Between -55°C and -40°C, according to oil and fuel specifications. Refer to Operation Manual or Installation Manual. NOTE 3 POWER TURBINE UNIT TORQUE LIMITS / PERCENT Maximum stabilized Maximum, 2-1/2 minutes OEI Transient, 20 seconds Maximum stabilized Maximum, 2-1/2 minutes OEI Transient, 20 seconds Maximum stabilized Maximum, 2-1/2 minutes OEI Transient, 20 seconds NOTE 4. FUEL AND OIL PRESSURE LIMITS (PSIG) A. Fuel / Refer to Operation Manual or Installation Manual B. Oil / Measured at engine pump outlet, after filter ARRIEL 1/ 1A / 1A1 / 1A2 / 1B / 1B2 Maximum 130 If limit is exceeded, refer to Operation Manual or Maintenance Manual Minimum: At Ng between 70 percent and 85 percent: 27.6 at Ng more than 85 percent: 40.6 ARRIEL 1C / 1C1 / 1C2 / 1D / 1D1 / 1S / 1S1 / 1K1 / 1E / 1E2 Maximum: 72.5 If limit is exceeded, refer to Operation Manual or Maintenance Manual Minimum: At Ng between 70 percent and 85 percent: 18.9 At Ng more than 85 percent: 26.1 ARRIEL 1 ARRIEL 1A ARRIEL 1A1 ARRIEL 1A2 109.2 109.2 115.4 - - - - - - - - - - - - - - - - - - ARRIEL 1B ARRIEL 1B2 ARRIEL 1D ARRIEL 1D1 109.2 109.2 115.4 - - - - - - - - - - 120.0 - - - - - - ARRIEL 1C ARRIEL 1C1 ARRIEL 1C2 ARRIEL 1S ARRIEL 1S1 ARRIEL 1K1 ARRIEL 1E ARRIEL 1E2 109.2 115.4 129.7 111.1 - - - - - - - - - - 104.6 115 155.0 103.7 126.7 148.3 111.8 115.4 127.4 114 125 140.3 - - - - - - FOR 1 / 1A / 1A1 / 1A2 / 1B / 1B2 / 1C / 1C1 / 1C2 / 1D / 1D1 / 1K1 100 percent corresponds to 76 mdaN FOR 1S: 100 percent corresponds to 76.4 mdaN FOR 1S1: 100 percent corresponds to 89.16 mdaN FOR 1E / 1E2: 100 percent corresponds to 70.25 mdaN TCDS E19EU Page 8 of 11 NOTE 5. Maximum air mass flow: Power loss due to air bleed: MAXIMUM PERMISSIBLE P2 AIR BLEED FROM CENTRIFUGAL COMPRESSOR PLENUM 0.22 lb/sec Refer to Operation Manual or Performance Booklet NOTE 6. AIR INTAKE REQUIREMENTS The ARRIEL engines have not been tested to evaluate the affects of foreign object ingestion. Foreign object ingestion characteristics of airframe air inlet and engine combination are to be evaluated prior to approval of the engine installation. The ARRIEL engines do not have anti-icing provisions and have not been tested to evaluate the effects of icing conditions. Anti-icing characteristics of airframe, air inlet, and engine combination are to be evaluated prior to approval of the engine installation. The ARRIEL 1S and 1S1 engines meet the requirements of FAR 33.68(a)(b) when installed with Sikorsky S76A helicopter air intake Part Number 76302-07 001. NOTE 7. ACCESSORY DRIVE PROVISIONS ARRIEL 1/1A/1A1/1A2/1B/1B2 ACCESSORY / DRIVE Direction* of Rotation Nominal RPM Maximum Steady State Power HP Maximum Torque at Overload (in-lb) Maximum Static Overhung Moment Allowable for Accessories (in-lb) Gas generator spool, compressor and CCW ** Ng = 51,800 (100% --- --- --- turbine Starter-generator / DC generator CW Ng x .2147 = 11,126 10.0 370.0 222.00 Tachometer transmitter / gas generator Oil pump unit / internal CCW Ng x .1621 = 8,401 0.2 4.5 8.85 Fuel control unit / gas generator CW Ng x .0910 - 4,716 2.0 122.0 --- Free turbine (power turbine) spool CCW Ng x .0910 = 4,716 1.0 42.6 --- Alternator / AC current generator CW** NgL = 41,586 --- --- --- Tachometer transmitter / free turbine CCW NtL x .29293 = 12,182 18.0 300.0 133.00 Fuel control unit / internal / free CCW NtL x .10138 - 4,216 0.2 4.5 8.85 turbine --- --- Main output shaft drive CW NtL x .10138 - 4,216 --- 14,600 354.00 CW** NtL x. 14428 - 6,000 682 1,150 177.00 54 * REFERENCE FACING ENGINE ACCESSORY PAD ** REFERENCE AFT LOOKING FORWARD CW = CLOCKWISE / CCW: COUNTER CLOCKWISE TCDS E19EU Page 9 of 11 NOTE 7. (continued) ACCESSORY DRIVE PROVISIONS ARRIEL 1C/1C1/1C2/1D/1D1/1K1 ACCESSORY / DRIVE Direction* of Rotation Nominal RPM Maximum Steady State Power HP Maximum Torque at Overload (in-lb) Maximum Static Overhung Moment Allowable for Accessories (in-lb) Gas generator spool, compressor and CCW ** Ng = 51,800 (100%) --- --- --- turbine Starter-generator / DC generator CW Ng x .2147 = 11,126 10.0 370.0 222.00 Tachometer transmitter / gas CCW Ng x .1621 = 8,401 0.2 4.5 8.85 generator Oil pump unit / internal CW Ng x .0910 - 4,716 2.0 122.0 --- Fuel control unit / gas generator CCW Ng x .0910 = 4,716 1.0 42.6 --- Free turbine (power turbine) spool CW** NgL = 41,586 --- --- --- Alternator / AC current generator Tachometer transmitter / free turbine CCW# NtL x .29293 = 12,182 18.0 300.0 133.00 Fuel control unit / internal / free turbine CCW NtL x .10138 - 4,216 0.2 4.5 8.85 Main output shaft drive CW NtL x .10138 - 4,216 --- --- --- CW** NtL x. 14428 - 6,000 682 14,600 354.00 * REFERENCE FACING ENGINE ACCESSORY PAD ** REFERENCE AFT LOOKING FORWARD # NOT INCLUDED WITH BASIC ENGINE CW = CLOCKWISE / CCW: COUNTER CLOCKWISE ARRIEL 1S/1S1/1E/1E2 ACCESSORY / DRIVE Direction* of Rotation Nominal RPM Maximum Steady State Power HP Maximum Torque at Overload (in-lb) Maximum Static Overhung Moment Allowable for Accessories (in-lb) Gas generator spool, compressor and CCW ** Ng = 51,800 (100%) --- --- --- turbine Starter-generator / DC generator CW Ng x .2147 = 11,188 10.0 442.0 222.00 Tachometer transmitter / gas generator CW Ng x .2147 = 11,188 0.2 4.5 8.85 Oil pump unit / internal Fuel control unit / gas generator CW Ng x .0910 - 4,742 2.0 122.0 --- Free turbine (power turbine) spool CCW Ng x .0910 = 4,742 1.0 42.6 --- Alternator / AC current generator CW** NgL = 41,981*** --- --- --- Tachometer transmitter / free turbine CCW# NtL x .29293 = 12,297 6.7 88.0 133.00 Fuel control unit / internal / free turbine CCW NtL x .29293 = 12,297 0.2 4.5 8.85 Main output shaft drive CW NtL x .10138 - 4,256 --- --- --- CW** NtL x. 14428 - 6,057 682 10,480 --- * REFERENCE FACING ENGINE ACCESSORY PAD ** REFERENCE AFT LOOKING FORWARD *** CORRESPONDS TO 100% FOR 1S AND 94.5% FOR 1S1 # NOT INCLUDED WITH BASIC ENGINE CW = CLOCKWISE / CCW: COUNTER CLOCKWISE TCDS E19EU Page 10 of 11 NOTE 8. ARRIEL 1/1B/1B2: ARRIEL 1A/1A1/1A2/1C: ARRIEL 1C1/1C2/1D1/1K1: ARRIEL 1D: ARRIEL 1S/1S1/1E/1E2 ENGINE RATINGS Engine ratings are based on calibrated test rig with performance under the following conditions: Static, sea level standard conditions (59oF, 29.92' Hg) No airbleed, no accessory power extraction 6,000 rpm output shaft drive speed Heating valve of fuel = 18,556 BTU/lb The ratings given above are minimum final test performance of production and overhaul engines in accordance with engine acceptance test specification No. 0.292.00.940.0. Use the exhaust pip specified below with calibrated test bed air intake No. 6.202.81.719.0: Exhaust pipe No. 0.292.80.721.0 or No. 0.292.80.738.0 Exhaust pipe No. 0.292.80.753.0 Exhaust pipe No. 0.292.80.818.0 Exhaust pipe No. 0.292.80.721.0 Exhaust pipe No. 0.292.80.885.0 NOTE 9. FUEL SUPPLY REQUIREMENTS Fuel supplied to the engine inlet must be filtered to 18 microns absolute efficiency per MIL-F-5504 except for ARRIEL 1S and 1S1 which has a fuel filter supplied with the engine. Fuel icing inhibitor additive is required when operating in ambient temperatures below 0oC (32oF), except for ARRIEL 1S, 1S1, 1E, and 1E2 where fuel icing inhibitor additive is required when operating in ambient temperatures below -10oC (14oF). NOTE 10. OIL SYSTEM: Refer to Operation Manual or Installation Manual. NOTE 11. ENGINE MONITORING TRANSMITTERS: Refer to Operation Manual or Installation Manual. NOTE 12. ELECTRICAL EQUIPMENT: Refer to Operation Manual or Installation Manual. NOTE 13. ENGINE FIRE DETECTOR Six fire detectors are provided on the engine (except for ARRIEL 1S and 1S1 which has no fire detectors installed on the engine and ARRIEL 1E, 1E2 fitted with 1 fire detector. NOTE 14. Refer to Operation Manual or Installation Manual for approved oil specifications. NOTE 15. Refer to Operation Manual or Installation Manual for approved fuel and additive specification. NOTE 16. Life-limited components are listed in DGAC-approved Chapter 5 of the engine Maintenance Manual. TCDS E19EU Page 11 of 11 NOTE 17. MANUALS REQUIRED BY FAR 33.5 Performance Manual No. Installation Manual No. Operation Manual No. Maintenance Manual No. Overhaul Manual No. Performance Manual No. Installation Manual No. Operation Manual No. Maintenance Manual No. Overhaul Manual No. NOTE 18. The ARRIEL 1A may be converted to ARRIEL 1A1 by incorporating Safran Helicopter Engines Service Bulletin No. 71-292-0018. NOTE 19. Overhaul of ARRIEL 1S1, 1E and 1E2 engines is not authorized unless the appropriate overhaul manual is available; otherwise, rebuilt engines utilizing new engine tolerances may be provided by the manufacturer. NOTE 20. SERVICE INFORMATION: Each of the documents listed below must state that it is approved by the European Aviation Safety Agency (EASA) or, for approvals made before September 28, 2003 by Direction Generale de L'Aviation Civile (DGAC). Any such documents including those approved under a delegated authority, are accepted by the FAA and are considered FAA approved. • Service bulletins, • Structural repair manuals, • Vendor manuals, • Aircraft flight manuals, and • Overhaul and maintenance manuals. These approvals pertain to the type design only. --- END--- ARRIEL 1/1A/1A1 ARRIEL 1A2/1B2 ARRIEL 1C/1C1/1C2/1D/1D1 ARRIEL 1S/1S1 ARRIEL 1K1 - - X 292 B0 001 9 X 292 F9 900 9 X 292 D8 002 1 292 00 931 - - 292 02 933 2 X 292 F9 001 2 292 D8 001 1 292 00 936 - - 292 02 935 Not applicable 292 01 931 - - 292 01 939 X 292 F9 300 2 292 D8 300 2 292 01 935 292 00 935-1 292 00 935-2 X 292 87 5022 See NOTE 19 ARRIEL 1E/1E2 X 292 G9 9009 X 292 G9 002 N/A X 292 G9 3002 See NOTE 19 ``` ## ADs (41, in force first) - [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 2016-11-09](https://openairdocs.org/ad/2016-11-09): Divergent rubbing between the piston shaft small diameter labyrinth and the rear bearing support · Turbomeca Arriel 1D and Arriel 1D1. Effective Jul 5, 2016 - [AD 2016-04-14](https://openairdocs.org/ad/2016-04-14): Tachometer box · Turbomeca Arriel 1E2. Effective Apr 1, 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 2012-23-12](https://openairdocs.org/ad/2012-23-12): Fuel control units (FCUs) · Turbomeca Arriel 1E2, Arriel 1S and Arriel 1S1. Effective Jan 7, 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 2011-27-01](https://openairdocs.org/ad/2011-27-01): 2nd stage Nozzle Guide Vanes · Turbomeca Arriel 1B. Effective Jan 27, 2012 - [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 2011-05-08](https://openairdocs.org/ad/2011-05-08): Fuel ejector · Turbomeca Arriel 1E2, Arriel 1S and Arriel 1S1. Effective Mar 9, 2011 - [AD 2010-10-09](https://openairdocs.org/ad/2010-10-09): 2nd stage turbine blades · Turbomeca Arriel 1B, Arriel 1D, Arriel 1D1 and 1 more. Effective Jun 21, 2010 - [AD 2009-08-08 R1](https://openairdocs.org/ad/2009-08-08-R1): PT Blades · Turbomeca Arriel 1B, Arriel 1D, Arriel 1D1 and 2 more. Effective May 7, 2010 - [AD 2010-02-01](https://openairdocs.org/ad/2010-02-01): Reduction Gear Box Intermediate Pinion · Turbomeca Arriel 1B, Arriel 1D and Arriel 1D1. Effective Feb 18, 2010 - [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 2006-06-17](https://openairdocs.org/ad/2006-06-17): 2nd stage nozzle guide vanes (NGV2) · Turbomeca Arriel 1B, Arriel 1D and Arriel 1D1. Effective Apr 27, 2006 - [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 2003-11-08](https://openairdocs.org/ad/2003-11-08): 2nd stage gas generator · Turbomeca Arriel 1B, Arriel 1D and Arriel 1D1. Effective Jul 3, 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 2002-14-26](https://openairdocs.org/ad/2002-14-26): Containment Shield Rings · Turbomeca Arriel 1A, Arriel 1A1, Arriel 1B and 2 more. Effective Aug 6, 2002 - [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 - [AD 94-25-08](https://openairdocs.org/ad/94-25-08): Gearboxes · Turbomeca Arriel 1A, Arriel 1A1, Arriel 1B and 2 more. Effective Jan 17, 1995 - [AD 91-24-02](https://openairdocs.org/ad/91-24-02): Main Rotor Drive Shaft · Turbomeca Arriel 1B, Arriel 1D and Arriel 1D1. Effective Feb 21, 1992 - [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 2009-08-08](https://openairdocs.org/ad/2009-08-08) (historical): Power turbine blades · Turbomeca Arriel 1B, Arriel 1D and Arriel 1D1. Effective Apr 29, 2009 - [AD 2009-03-04](https://openairdocs.org/ad/2009-03-04) (historical): Red disk plug · Turbomeca Arriel 1E2, Arriel 1S and Arriel 1S1. Effective Mar 27, 2009 - [AD 2008-07-01](https://openairdocs.org/ad/2008-07-01) (historical): Gas generator 2nd stage turbine blades · Turbomeca Arriel 1B, Arriel 1D, Arriel 1D1 and 1 more. Effective Apr 30, 2008 - [AD 2006-02-08 R1](https://openairdocs.org/ad/2006-02-08-R1) (historical): Gas generator 2nd stage turbine blades. · Turbomeca Arriel 1B, Arriel 1D, Arriel 1D1 and 17 more. Effective Sep 13, 2006 - [AD 2006-02-08](https://openairdocs.org/ad/2006-02-08) (historical): 2nd stage turbine blades · Turbomeca Arriel 1B, Arriel 1D, Arriel 1D1 and 1 more. Effective Feb 28, 2006 - [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 - [AD 2011-05-51](https://openairdocs.org/ad/2011-05-51) (historical): Low-pressure fuel system ejectors · Turbomeca Arriel 1E2, Arriel 1S and Arriel 1S1 ## Registered aircraft by registry model (OpenAirDocs) - [Turbomeca ARRIEL-1D1](https://openairdocs.org/engine/turbomeca-arriel-1d1): 150 aircraft (registry code 60053) - [Turbomeca ARRIEL-1E2](https://openairdocs.org/engine/turbomeca-arriel-1e2): 101 aircraft (registry code 60035) - [Safran ARRIEL-1E2](https://openairdocs.org/engine/safran-arriel-1e2): 44 aircraft (registry code 59999) - [Turbomeca ARRIEL-1B](https://openairdocs.org/engine/turbomeca-arriel-1b): 18 aircraft (registry code 60042) - [Turbomeca ARRIEL-1C2](https://openairdocs.org/engine/turbomeca-arriel-1c2): 6 aircraft (registry code 60051) - [Turbomeca ARRIEL-1S1](https://openairdocs.org/engine/turbomeca-arriel-1s1): 4 aircraft (registry code 60032) - [Safran ARRIEL-1D1](https://openairdocs.org/engine/safran-arriel-1d1): 3 aircraft (registry code 59990) - [Turbomeca ARRIEL-1C1](https://openairdocs.org/engine/turbomeca-arriel-1c1): 2 aircraft (registry code 60050) - [Turbomeca ARRIEL-1K1](https://openairdocs.org/engine/turbomeca-arriel-1k1): 1 aircraft (registry code 60033) - [Turbomeca ARRIEL-1S](https://openairdocs.org/engine/turbomeca-arriel-1s): 1 aircraft (registry code 60052) - [Safran ARRIEL-1E](https://openairdocs.org/engine/safran-arriel-1e): 0 aircraft (registry code 59996) - [Turbomeca ARRIEL-1](https://openairdocs.org/engine/turbomeca-arriel-1): 0 aircraft (registry code 60043) - [Turbomeca ARRIEL-1A](https://openairdocs.org/engine/turbomeca-arriel-1a): 0 aircraft (registry code 60044) - [Turbomeca ARRIEL-1A1](https://openairdocs.org/engine/turbomeca-arriel-1a1): 0 aircraft (registry code 60045) - [Turbomeca ARRIEL-1A2](https://openairdocs.org/engine/turbomeca-arriel-1a2): 0 aircraft (registry code 60046) - [Turbomeca ARRIEL-1B2](https://openairdocs.org/engine/turbomeca-arriel-1b2): 0 aircraft (registry code 60047) - [Turbomeca ARRIEL-1C](https://openairdocs.org/engine/turbomeca-arriel-1c): 0 aircraft (registry code 60049) - [Turbomeca ARRIEL-1D](https://openairdocs.org/engine/turbomeca-arriel-1d): 0 aircraft (registry code 60048) - [Turbomeca ARRIEL-1E](https://openairdocs.org/engine/turbomeca-arriel-1e): 0 aircraft (registry code 60034) ## STCs approved under this data sheet (6) - [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. - [STC SE01859LA](https://openairdocs.org/stc/SE01859LA): Installation of a new Torque Transmitter with new cockpit torque indicator requirements. Diamond J Inc - [STC SE7016SW-D](https://openairdocs.org/stc/SE7016SW-D): Installation of engine oil chip detector replacement.. American Eurocopter Corporation - [STC SE1029GL](https://openairdocs.org/stc/SE1029GL): Installation of a fuel flow transducer.. Shadin Company, Inc - [STC SH7016SW-D](https://openairdocs.org/stc/SH7016SW-D): Installation of the engine oil chip detector replacement.. Thales Avionics, Inc. --- 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.