# N375AH: 2018 Airbus Helicopters Deutschland MBB-BK 117 D-2

- Status: Valid registration
- Airframe: [Airbus Helicopters Deutschland MBB-BK 117 D-2](https://openairdocs.org/model/airbus-helicopters-deutschland-mbb-bk-117-d-2) (registry code 5620034, 11 seats)
- Engine: [Turbomeca ARRIEL series](https://openairdocs.org/engine/turbomeca-arriel-series) (registry code 60031)
- Data sheets: [TCDS H13EU](https://openairdocs.org/tcds/H13EU) (Airbus Helicopters Deutschland GmbH (AHD)) (OpenAirDocs)
- Serial number: 20227
- Year built: 2018
- Type: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Standard, transport
- Airworthiness date: December 20, 2018
- Certificate issued: December 19, 2018
- Expires: December 31, 2028
- Mode S code: A44666
- Registered owner: [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE)
- Location: [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City)
- Owner type: Corporation
- Owner's area on the map: 40.7558° N, 111.8843° W: Placed by OpenAirDocs at the center of ZIP code 84111, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=375AH
- Page: https://openairdocs.org/aircraft/N375AH

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. The registry lists only the engine series, so ADs for every Turbomeca ARRIEL model are included.

## ADs that may apply (OpenAirDocs): 95 in force

### Matched by airframe (Airbus Helicopters Deutschland MBB-BK 117 D-2)

- [AD 2026-17-05](https://openairdocs.org/ad/2026-17-05): Cabin Equipment/Furnishings · Airbus Helicopters H160-B, EC225LP, AS 365 N3 and 18 more. Effective Oct 2, 2026
- [AD 2026-09-08](https://openairdocs.org/ad/2026-09-08): Cabin Equipment/Furnishings · Airbus Helicopters Deutschland MBB-BK 117 C-2 and MBB-BK 117 D-2. Effective Jun 17, 2026
- [AD 2026-08-10](https://openairdocs.org/ad/2026-08-10): Passenger compartment equipment · B/E Aerospace Fischer Medical Seat 230/305, EC135P1, EC135T1 and 19 more. Effective May 11, 2026
- [AD 2025-25-11](https://openairdocs.org/ad/2025-25-11): Cabin Equipment/Furnishings · Airbus Helicopters Deutschland MBB-BK 117 C-2, MBB-BK 117 D-2 and MBB-BK 117 D-3. Effective Feb 6, 2026
- [AD 2025-16-02](https://openairdocs.org/ad/2025-16-02): Main Rotor Mast/Swashplate · Airbus Helicopters Deutschland MBB-BK 117 C-2 and MBB-BK 117 D-2. Effective Jan 12, 2026
- [AD 2025-20-06](https://openairdocs.org/ad/2025-20-06): Air Conditioning System · Airbus Helicopters Deutschland MBB-BK 117 D-2 and MBB-BK 117 D-3. Effective Dec 23, 2025
- [AD 2025-18-04](https://openairdocs.org/ad/2025-18-04): Cabin Equipment/Furnishings · Airbus Helicopters Deutschland EC135P1, EC135P2, EC135P2+ and 9 more. Effective Oct 21, 2025
- [AD 2025-04-10](https://openairdocs.org/ad/2025-04-10): Emergency equipment · Airbus Helicopters Deutschland EC135P1, EC135P2, EC135P2+ and 10 more. Effective Mar 24, 2025
- [AD 2024-20-07](https://openairdocs.org/ad/2024-20-07): Emergency Equipment; Emergency Flotation Section · Apical Emergency Float Kit, P/N 20498 (STC SR00780LA or 12 others). Effective Dec 5, 2024
- [AD 2024-04-01](https://openairdocs.org/ad/2024-04-01): Cabin Equipment/Furnishings · Airbus Helicopters Deutschland EC135P1, EC135P2, EC135P2+ and 8 more. Effective Apr 19, 2024
- [AD 2023-11-07](https://openairdocs.org/ad/2023-11-07): Ground Proximity System · Airbus Helicopters 47, 206, 210 and 237 more. Effective Jun 22, 2023
- [AD 2023-05-09](https://openairdocs.org/ad/2023-05-09): Instrument System Wiring · Airbus Helicopters Deutschland EC135P3, EC135T3, MBB-BK 117 D-2 and 1 more. Effective Mar 31, 2023
- [AD 2023-03-01](https://openairdocs.org/ad/2023-03-01): Main Rotor System · ECD Superlifter Conversion Kit 105-800331 (Eurocopter Deutschland STC SR00043RD). Effective Feb 21, 2023
- [AD 2022-11-07](https://openairdocs.org/ad/2022-11-07): Main Rotor System · Airbus Helicopters Deutschland MBB-BK 117 A-1, MBB-BK 117 A-3, MBB-BK 117 A-4 and 5 more. Effective Jul 8, 2022
- [AD 2022-10-51](https://openairdocs.org/ad/2022-10-51): Flight Control System · Airbus Helicopters AS350B, AS350B1, AS350B2 and 22 more. Effective Jun 7, 2022
- [AD 2022-05-10](https://openairdocs.org/ad/2022-05-10): Cabin Equipment/Furnishings · Airbus Helicopters AS332L, AS332L1, AS332L2 and 57 more. Effective Apr 20, 2022
- [AD 2022-06-13](https://openairdocs.org/ad/2022-06-13): Cabin Equipment/Furnishings · Airbus Helicopters Deutschland MBB-BK 117 C-2 and MBB-BK 117 D-2 with STC SR03130NY or SR03703NY. Effective Mar 30, 2022
- [AD 2022-02-20](https://openairdocs.org/ad/2022-02-20): Main Rotor Mast/Swashplate · Airbus Helicopters Deutschland MBB-BK 117 C-2 and MBB-BK 117 D-2. Effective Mar 17, 2022
- [AD 2022-01-03](https://openairdocs.org/ad/2022-01-03): Fire Bottle, Portable · Airbus Helicopters AS332C, AS332C1, AS332L and 35 more. Effective Mar 7, 2022
- [AD 2022-02-17](https://openairdocs.org/ad/2022-02-17): Engine Air Intake System · Airbus Helicopters Deutschland MBB-BK 117 C-2, MBB-BK 117 D-2 and MBB-BK 117 D-3. Effective Feb 10, 2022
- [AD 2021-23-18](https://openairdocs.org/ad/2021-23-18): Equip/Furnishing System Wiring · Airbus Helicopters Deutschland MBB-BK 117 D-2. Effective Jan 11, 2022
- [AD 2021-17-17](https://openairdocs.org/ad/2021-17-17): Cabin Equipment/Furnishings · Airbus Helicopters EC135P3, EC135T3, MBB-BK 117 C-2 and 32 more. Effective Nov 22, 2021
- [AD 2021-22-07](https://openairdocs.org/ad/2021-22-07): Fire Bottle, Portable · Airbus A319-111, A319-112, A319-113 and 127 more. Effective Nov 18, 2021
- [AD 2021-16-17](https://openairdocs.org/ad/2021-16-17): Main gearbox · Airbus Helicopters Deutschland MBB-BK 117 D-2. Effective Oct 13, 2021
- [AD 2021-12-16](https://openairdocs.org/ad/2021-12-16): Main Rotor Control · Airbus Helicopters Deutschland MBB-BK 117 C-2 and MBB-BK 117 D-2. Effective Aug 3, 2021
- [AD 2021-12-09](https://openairdocs.org/ad/2021-12-09): Flight Control System · Airbus Helicopters Deutschland MBB-BK 117 D-2. Effective Jul 29, 2021
- [AD 2021-12-08](https://openairdocs.org/ad/2021-12-08): Miscellaneous Wiring · Airbus Helicopters Deutschland MBB-BK 117 D-2. Effective Jul 29, 2021
- [AD 2021-10-21](https://openairdocs.org/ad/2021-10-21): Main Rotor System · Airbus Helicopters Deutschland BO-105A, BO-105C, BO-105LS A-3 and 9 more. Effective Jul 7, 2021
- [AD 2021-10-23](https://openairdocs.org/ad/2021-10-23): Fasteners, Tail Rotor Control System · Airbus Helicopters Deutschland MBB-BK 117 D-2. Effective Jul 6, 2021
- [AD 2021-10-18](https://openairdocs.org/ad/2021-10-18): Flight Control System · Airbus Helicopters Deutschland MBB-BK 117 D-2. Effective Jul 6, 2021
- [AD 2021-10-15](https://openairdocs.org/ad/2021-10-15): Cabin Equipment/Furnishings · Airbus Helicopters Deutschland MBB-BK 117 C-2 and MBB-BK 117 D-2. Effective Jul 1, 2021
- [AD 2021-06-05](https://openairdocs.org/ad/2021-06-05): Engine (Turbine, Turboprop) · Airbus Helicopters Deutschland MBB-BK 117 D-2. Effective May 7, 2021
- [AD 2020-19-01](https://openairdocs.org/ad/2020-19-01): Integrated Modular Avionics · Airbus Helicopters Deutschland MBB-BK 117 D-2. Effective Oct 27, 2020
- [AD 2020-17-05](https://openairdocs.org/ad/2020-17-05): Rotors flight control · Airbus Helicopters Deutschland MBB-BK 117 D-2. Effective Sep 17, 2020
- [AD 2020-15-13](https://openairdocs.org/ad/2020-15-13): Hydraulic Power System · Airbus Helicopters Deutschland MBB-BK 117 C-2 and MBB-BK 117 D-2. Effective Aug 31, 2020
- [AD 2019-11-04](https://openairdocs.org/ad/2019-11-04): Rotorcraft Flight Control · Airbus Helicopters Deutschland MBB-BK 117 D-2. Effective Jul 12, 2019
- [AD 2018-20-09](https://openairdocs.org/ad/2018-20-09): Electrical Power System · Airbus Helicopters Deutschland MBB-BK 117 C-2 and MBB-BK 117 D-2. Effective Nov 7, 2018
- [AD 2017-24-02](https://openairdocs.org/ad/2017-24-02): Autopilot System · Airbus Helicopters Deutschland MBB-BK 117 D-2. Effective Dec 13, 2017
- [AD 2017-13-04](https://openairdocs.org/ad/2017-13-04): Main Rotor System · Airbus Helicopters Deutschland MBB-BK 117 C-2 and MBB-BK 117 D-2. Effective Jul 27, 2017
- [AD 2017-09-02](https://openairdocs.org/ad/2017-09-02): Cabin Cooling System · Airbus Helicopters Deutschland MBB-BK 117 C-2 and MBB-BK 117 D-2. Effective May 31, 2017
- [AD 2016-03-05](https://openairdocs.org/ad/2016-03-05): Cabin Equipment/Furnishings · Airbus Helicopters Deutschland MBB-BK 117 C-2 and MBB-BK 117 D-2. Effective Feb 24, 2016

### Matched by engine (Turbomeca ARRIEL series)

- [AD 2026-15-03](https://openairdocs.org/ad/2026-15-03): Turbine Section · Safran Helicopter Engines Arriel 2E. Effective Sep 3, 2026
- [AD 2023-22-03](https://openairdocs.org/ad/2023-22-03): Turbine section · Safran Helicopter Engines Arriel 2D and Arriel 2E. Effective Dec 26, 2023
- [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 2021-13-08](https://openairdocs.org/ad/2021-13-08): Fuel Control/Turbine Engines · Safran Helicopter Engines Arriel 2C and Arriel 2S1. Effective Aug 19, 2021
- [AD 2021-13-03](https://openairdocs.org/ad/2021-13-03): Fuel Control/Turbine Engines · Safran Helicopter Engines Arriel 2B, Arriel 2B1, Arriel 2C and 4 more. Effective Aug 13, 2021
- [AD 2021-05-08](https://openairdocs.org/ad/2021-05-08): Engine BMEP/Torque Indicating · Safran Helicopter Engines Arriel 2C, Arriel 2C1, Arriel 2S1 and 1 more. Effective Apr 15, 2021
- [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 2018-12-01](https://openairdocs.org/ad/2018-12-01): Engine Fuel and Control · Safran Helicopter Engines Arriel 2B and Arriel 2B1. Effective Sep 12, 2018
- [AD 2018-10-01](https://openairdocs.org/ad/2018-10-01): Accessory Gearboxes · Safran Helicopter Engines Arriel 2E. Effective Jun 11, 2018
- [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 2017-05-08](https://openairdocs.org/ad/2017-05-08): Failure of the HMU · Safran Helicopter Engines Arriel 2B. Effective Apr 13, 2017
- [AD 2016-25-13](https://openairdocs.org/ad/2016-25-13): Engine accessory gearbox (AGB) · Safran Helicopter Engines Arriel 2B, Arriel 2B1, Arriel 2C and 6 more. Effective Feb 3, 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 2016-08-16](https://openairdocs.org/ad/2016-08-16): Constant delta-pressure (delta-P) diaphragm of the fuel metering valve · Turbomeca Arriel 2E. Effective May 25, 2016
- [AD 2016-04-14](https://openairdocs.org/ad/2016-04-14): Tachometer box · Turbomeca Arriel 1E2. Effective Apr 1, 2016
- [AD 2016-03-02](https://openairdocs.org/ad/2016-03-02): Torque conformation box (TCB) · Turbomeca Arriel 2C, Arriel 2C1, Arriel 2C2 and 2 more. Effective Mar 15, 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 2014-12-05](https://openairdocs.org/ad/2014-12-05): HMU drive gear shaft · Turbomeca Arriel 2B, Arriel 2B1, Arriel 2C and 4 more. Effective Aug 4, 2014
- [AD 2014-07-06](https://openairdocs.org/ad/2014-07-06): Hydromechanical metering unit · Turbomeca Arriel 2B1. Effective May 15, 2014
- [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 2013-22-22](https://openairdocs.org/ad/2013-22-22): Hydromechanical metering unit (HMU) · Turbomeca Arriel 2D. Effective Dec 20, 2013
- [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 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 2012-18-18](https://openairdocs.org/ad/2012-18-18): Gas generator (GG) turbine blade · Turbomeca Arriel 2B, Arriel 2B1, Arriel 2C2 and 1 more. Effective Oct 24, 2012
- [AD 2012-12-20](https://openairdocs.org/ad/2012-12-20): Digital engine control units · Turbomeca Arriel 2C1, Arriel 2C2 and Arriel 2S2. Effective Jul 26, 2012
- [AD 2012-08-18](https://openairdocs.org/ad/2012-08-18): PT Blade Rupture · Turbomeca Arriel 2B and Arriel 2B1. Effective May 30, 2012
- [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 2011-24-07](https://openairdocs.org/ad/2011-24-07): Hydromechanical units (HMUs) · Turbomeca Arriel 2B. Effective Dec 14, 2011
- [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 2009-09-03 R1](https://openairdocs.org/ad/2009-09-03-R1): Uncommanded in-flight engine shutdown · Turbomeca Arriel 2B and Arriel 2B1. Effective Nov 1, 2010
- [AD 2010-20-05](https://openairdocs.org/ad/2010-20-05): Engines with modification TU 132 · Turbomeca Arriel 2B. Effective Oct 12, 2010
- [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 2010-04-07](https://openairdocs.org/ad/2010-04-07): Engine · Turbomeca Arriel 2S1. Effective Mar 23, 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 2009-01-11](https://openairdocs.org/ad/2009-01-11): Hydro Mechanical Unit (HMU) low fuel pressure switch · Turbomeca Arriel 2B and Arriel 2B1. Effective Feb 27, 2009
- [AD 2007-24-10](https://openairdocs.org/ad/2007-24-10): HP/LP fuel pump · Turbomeca Arriel 2S1 and Arriel 2S2. Effective Dec 14, 2007
- [AD 2007-10-06](https://openairdocs.org/ad/2007-10-06): Cases of flameout · Turbomeca Arriel 2B1. Effective May 29, 2007
- [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 2005-25-13](https://openairdocs.org/ad/2005-25-13): Tree turbine shield · Turbomeca Arriel 2B and Arriel 2B1. Effective Dec 28, 2005
- [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 2002-16-25](https://openairdocs.org/ad/2002-16-25): Fuel pumps · Turbomeca Arriel 2B, Arriel 2C and Arriel 2S1. Effective Sep 26, 2002

### Historical (superseded or no longer in force)

- [AD 2021-23-13](https://openairdocs.org/ad/2021-23-13) (historical): Ground Proximity System · Airbus Helicopters K-225, K-190A, K-240 and 237 more. Effective Dec 9, 2021
- [AD 2019-07-07](https://openairdocs.org/ad/2019-07-07) (historical): Main Rotor System · Airbus Helicopters Deutschland BO-105A, BO-105C, BO-105LS A-3 and 9 more. Effective May 24, 2019
- [AD 2017-07-08](https://openairdocs.org/ad/2017-07-08) (historical): Engine (Turbine, Turboprop) · Airbus Helicopters Deutschland MBB-BK 117 D-2. Effective May 12, 2017
- [AD 2017-02-07](https://openairdocs.org/ad/2017-02-07) (historical): Hydraulic Power System · Airbus Helicopters Deutschland MBB-BK 117 C-2 and MBB-BK 117 D-2. Effective Mar 17, 2017
- [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 2021-08-02](https://openairdocs.org/ad/2021-08-02) (historical): Turbine Section · Safran Helicopter Engines Arriel 2D and Arriel 2E. Effective Jun 21, 2021
- [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 2016-04-12](https://openairdocs.org/ad/2016-04-12) (historical): Engine accessory gearbox (AGB) · Turbomeca Arriel 2B, Arriel 2B1, Arriel 2C and 6 more. Effective Apr 14, 2016
- [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 2013-01-07](https://openairdocs.org/ad/2013-01-07) (historical): Hydro-mechanical metering unit (HMU) · Turbomeca Arriel 2D. Effective Mar 7, 2013
- [AD 2012-03-11](https://openairdocs.org/ad/2012-03-11) (historical): High-pressure/low-pressure (HP/LP) pump hydro-mechanical metering units  
 (HMUs) · Turbomeca Arriel 2B and Arriel 2B1. Effective Mar 20, 2012
- [AD 2011-13-05](https://openairdocs.org/ad/2011-13-05) (historical): Gas Generator (GG) Turbine Blade · Turbomeca Arriel 2B and Arriel 2B1. Effective Aug 12, 2011
- [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
- [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 2007-19-09 R1](https://openairdocs.org/ad/2007-19-09-R1) (historical): Pressure relief valve · Turbomeca Arriel 2B1. Effective Jul 7, 2010
- [AD 2010-03-06](https://openairdocs.org/ad/2010-03-06) (historical): Fuel pump · Turbomeca Arriel 2B and Arriel 2B1. Effective Mar 11, 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 2009-09-03](https://openairdocs.org/ad/2009-09-03) (historical): Turbine blade · Turbomeca Arriel 2B and Arriel 2B1. Effective Jun 1, 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 2007-19-09](https://openairdocs.org/ad/2007-19-09) (historical): Constant delta pressure valve · Turbomeca Arriel 2B1. Effective Oct 3, 2007
- [AD 2007-10-07](https://openairdocs.org/ad/2007-10-07) (historical): HP/LP pump assembly drive shaft · Turbomeca Arriel 2B and Arriel 2B1. Effective May 29, 2007
- [AD 2005-13-25 R1](https://openairdocs.org/ad/2005-13-25-R1) (historical): HMU acceleration controller axle · Turbomeca Arriel 2B. Effective May 22, 2007
- [AD 2007-03-14](https://openairdocs.org/ad/2007-03-14) (historical): Hydro-mechanical metering unit (HMU) · Turbomeca Arriel 2B1. Effective Feb 20, 2007
- [AD 2006-21-10](https://openairdocs.org/ad/2006-21-10) (historical): Splines of high-pressure (HP) pump drive gear shaft · Turbomeca Arriel 2B and Arriel 2B1. Effective Nov 24, 2006
- [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 2005-13-25](https://openairdocs.org/ad/2005-13-25) (historical): Hydromechanical unit (HMU) acceleration controller · Turbomeca Arriel 2B. Effective Jul 11, 2005
- [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

All 126: https://openairdocs.org/aircraft/N375AH/ads.md

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N375AH.

## FAA accident and incident reports

None matched to N375AH.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs) (49)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Airbus Helicopters Deutschland MBB-BK 117 D-2)

- [STC SR11849NY](https://openairdocs.org/stc/SR11849NY): Installation of an IRIS system made by Outerlink. Outerlink Corporation
- [STC SR01099DE](https://openairdocs.org/stc/SR01099DE): Installation of the GPMS Foresight MX Condition Monitoring System. GPMS International Inc
- [STC SR12398DE](https://openairdocs.org/stc/SR12398DE): Installation of Improved Heater Ejector. Air Comm Corporation
- [STC SR02290LA](https://openairdocs.org/stc/SR02290LA): Installation of Apical Industries, Inc. Cable Cutters Kit . Dart Aerospace
- [STC SR02270SE](https://openairdocs.org/stc/SR02270SE): Fabrication and installation of Geneva Aviation Audio System. AEM USA Inc
- [STC SR02444SE](https://openairdocs.org/stc/SR02444SE): Installation of P178 Failsafe Audio Mixer. AEM USA Inc
- [STC SR04465NY](https://openairdocs.org/stc/SR04465NY): Installation of the iPad Mount. Avio Design Group Inc
- [STC SR03703NY](https://openairdocs.org/stc/SR03703NY): Installation of Mecaer Aviation Group S.p.A.'s H145 VIP MB Interiors P/N 6EC10000X002001. Mecaer Aviation Group S.p.A
- [STC SR04484NY](https://openairdocs.org/stc/SR04484NY): SkyTrac ISAT-200A Flight Following/Satcom System Installation. SkyTrac Systems Ltd
- [STC SR01853SE](https://openairdocs.org/stc/SR01853SE): Installation of skid tubes. Dart Aerospace USA Inc
- [STC SR00187IB](https://openairdocs.org/stc/SR00187IB): Installation of Crew Bubble Window. VH Aerospace
- [STC SR02137LA](https://openairdocs.org/stc/SR02137LA): Installation of Utility Mount. Airfilm Camera Systems
- [STC SR02514SE](https://openairdocs.org/stc/SR02514SE): Installation of a Model 311 GII Fire Attack System. Simplex Manufacturing Company
- [STC SR02508SE](https://openairdocs.org/stc/SR02508SE): Installation of Bearpaw kit. Dart Aerospace USA Inc
- [STC SH3319NM](https://openairdocs.org/stc/SH3319NM): Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,. Precise Flight Inc
- [STC SR02867AT](https://openairdocs.org/stc/SR02867AT): Installation of windows. TECH-TOOL PLASTICS INC
- [STC SR03779NY](https://openairdocs.org/stc/SR03779NY): Installation of Air Ambulance Equipment and VIP Interior. Air Ambulance Technology GmbH
- [STC SR01611SE](https://openairdocs.org/stc/SR01611SE): Installation of a Supplemental Lighting System. Aviation Specialties Unlimited Inc
- [STC SR01074DE](https://openairdocs.org/stc/SR01074DE): Installation of Stryker 6086 Performance-PRO XT Gurney system and Performance Pro MX Locking System. Metro Aviation Inc
- [STC SR02244LA](https://openairdocs.org/stc/SR02244LA): Installation of Emergency Float Kits. Dart Aerospace ULC
- [STC SR09528RC](https://openairdocs.org/stc/SR09528RC): Installation of Night Vision Imaging System (NVIS) / Night Vision Goggle (NVG) Compatible Lighting System. Aero Dynamix Inc
- [STC SR09403RC](https://openairdocs.org/stc/SR09403RC): Installation of Emergency Medical System. Metro Aviation Inc
- [STC SR09405RC](https://openairdocs.org/stc/SR09405RC): Installation of Optional Equipment. Metro Aviation Inc
- [STC SR09298RC-D](https://openairdocs.org/stc/SR09298RC-D): Installation of a Concorde RG-380E/44 lead acid battery. Airbus Helicopters Inc
- [STC SR09307RC-D](https://openairdocs.org/stc/SR09307RC-D): Installation of crew door and cabin door vents. Airbus Helicopters Inc
- [STC SR04632NY](https://openairdocs.org/stc/SR04632NY): Installation of Rotor Disk Lighting. Airbus Helicopters Canada Limited
- [STC SR04119NY](https://openairdocs.org/stc/SR04119NY): Installation of Removable Pins for Hinged Door. Airbus Helicopters Canada Limited
- [STC SR00021IB](https://openairdocs.org/stc/SR00021IB): Installation of Mid-Continent USB charging outlets model TA-102. HELIBRAS - Helicópteros do Brasil S. A
- [STC SR03936AT](https://openairdocs.org/stc/SR03936AT): Replace the existing MBB-BK 117 C-2/D-2 skid shoe assemblies with Brauer Aerospace Products full length skid-shoe assemblies utilizing a "Surfacite" wear surface. Brauer Aerospace Products Inc
- [STC SR03650NY](https://openairdocs.org/stc/SR03650NY): Installation of a Flight Data Monitoring System. Safran Electronics & Defense Business Unit - Helicopters Data
- [STC SR00109RD](https://openairdocs.org/stc/SR00109RD): Installation of the Powered Stretcher System. HeliMods Pty Ltd
- [STC SR04315NY](https://openairdocs.org/stc/SR04315NY): Installation of VISLINK HDX-1100 Downlink System. Airbus Helicopters Canada Limited
- [STC SR01906LA](https://openairdocs.org/stc/SR01906LA): Installation of Multiple-place Utility Troop Seating System. BAE Systems Land & Armaments LP
- [STC SR04269NY](https://openairdocs.org/stc/SR04269NY): Installation of modular EMS-SAR/DMK equipment series Part Number 117-25-20-100.000-7xx. Air Ambulance Technology GmbH
- [STC SR02517SE](https://openairdocs.org/stc/SR02517SE): Installation of 651.150 External Life Raft System (ELRS). Dart Aerospace USA Inc
- [STC SR02578SE](https://openairdocs.org/stc/SR02578SE): Installation of a Heli-Utility-Basket. Dart Aerospace USA Inc
- [STC SR09634RC](https://openairdocs.org/stc/SR09634RC): Installation of a Balloon Pump Restraint System (BPRS). JJASPP Engineering Services LLC
- [STC SR03794NY](https://openairdocs.org/stc/SR03794NY): Installation of External Load Attachment Device EAD03. ECMS Aviation Systems GmbH
- [STC SR03702NY](https://openairdocs.org/stc/SR03702NY): Installation of EMS equipment and side facing seat bench on the right side of the cabin. Mecaer Aviation Group S.p.A
- [STC SR02407SE](https://openairdocs.org/stc/SR02407SE): Installation of Geneva Aviation 28 - 14 VDC Power Converter. AEM USA Inc
- [STC SH2944SO](https://openairdocs.org/stc/SH2944SO): Installation of a wire strike protection system. Bristol Aerospace Ltd. Lists MBB-BK 117 Series
- [STC SH905NE](https://openairdocs.org/stc/SH905NE): Installation of an airstair door. Delta Engineering. Lists MBB-BK 117 Series
- [STC SR01047DE](https://openairdocs.org/stc/SR01047DE) (historical): Installation of Stryker 6086 Performance-PRO XT Gurney system and Performance Pro MX locking system. Metro Aviation Inc

### Approved for the engine (Turbomeca ARRIEL series)

- [STC SE00328AT](https://openairdocs.org/stc/SE00328AT): Installation of a P2 fuel control isolation valve kit. Bell Helicopter Textron Inc. Lists Arriel 1
- [STC SE00567AT](https://openairdocs.org/stc/SE00567AT): Install Aeronautical Accessories Torque Monitoring System. Bell Helicopter Textron Inc. Lists Arriel 1
- [STC SE01859LA](https://openairdocs.org/stc/SE01859LA): Installation of a new Torque Transmitter with new cockpit torque indicator requirements. Diamond J Inc. Lists Arriel 1D1
- [STC SE7016SW-D](https://openairdocs.org/stc/SE7016SW-D): Installation of engine oil chip detector replacement. American Eurocopter Corporation. Lists Arriel 1C1
- [STC SE1029GL](https://openairdocs.org/stc/SE1029GL): Installation of a fuel flow transducer. Shadin Company, Inc. Lists Arriel 1
- [STC SH7016SW-D](https://openairdocs.org/stc/SH7016SW-D): Installation of the engine oil chip detector replacement. Thales Avionics, Inc. Lists Arriel 1C1

## Related

- Other Airbus Helicopters Deutschland MBB-BK 117 D-2 aircraft: https://openairdocs.org/model/airbus-helicopters-deutschland-mbb-bk-117-d-2/aircraft.md
- The Turbomeca ARRIEL series engine: https://openairdocs.org/engine/turbomeca-arriel-series.md

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