# N90DK: 2004 Eurocopter AS 350 B2 - Status: Valid registration - Airframe: [Eurocopter AS 350 B2](https://openairdocs.org/model/eurocopter-as-350-b2) (registry code 8680950, 6 seats) - Engine: [Turbomeca ARRIEL series](https://openairdocs.org/engine/turbomeca-arriel-series) (registry code 60031) - Data sheets: [TCDS H9EU](https://openairdocs.org/tcds/H9EU) (Airbus Helicopters) (OpenAirDocs) - Serial number: 3807 - Year built: 2004 - Type: Rotorcraft - Engine type: Turbo-shaft - Airworthiness: Standard, normal - Airworthiness date: July 15, 2004 - Certificate issued: August 27, 2004 - Expires: April 30, 2028 - Mode S code: AC6D28 - Registered owner: [Dekalb County Police](https://openairdocs.org/faa-owner/DEKALB%20COUNTY%20POLICE) - Location: [Tucker, GA](https://openairdocs.org/faa-place/GA/Tucker) - Owner type: Government - Owner's area on the map: 33.8541° N, 84.2162° W: Placed by OpenAirDocs at the center of ZIP code 30084, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=90DK - Page: https://openairdocs.org/aircraft/N90DK 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): 140 in force ### Matched by airframe (Eurocopter AS 350 B2) - [AD 2026-20-03](https://openairdocs.org/ad/2026-20-03): Placards and Markings · Airbus Helicopters AS350B, AS350BA, AS350B1 and 11 more. Effective Nov 5, 2026 - [AD 2026-16-05](https://openairdocs.org/ad/2026-16-05): Hydraulic power system · Airbus Helicopters AS350B2. Effective Sep 17, 2026 - [AD 2026-16-01](https://openairdocs.org/ad/2026-16-01): Main rotor drive · Airbus Helicopters AS350B, AS350BA, AS350B1 and 5 more. Effective Sep 10, 2026 - [AD 2026-14-02](https://openairdocs.org/ad/2026-14-02): Indication/Recording System · Airbus Helicopters AS350B2, AS350B3, EC120B and 1 more. Effective Aug 14, 2026 - [AD 2026-12-10](https://openairdocs.org/ad/2026-12-10): Equipment/Furnishings · Airbus Helicopters AS350B, AS350BA, AS350B1 and 3 more. Effective Aug 3, 2026 - [AD 2026-12-08](https://openairdocs.org/ad/2026-12-08): Time Limits/Maintenance Checks · Airbus Helicopters AS350B2, AS350B3, EC130B4 and 1 more. Effective Jul 21, 2026 - [AD 2026-09-15](https://openairdocs.org/ad/2026-09-15): Tail rotor head · Airbus Helicopters AS350B, AS350BA, AS350B1 and 9 more. Effective Jul 21, 2026 - [AD 2026-12-03](https://openairdocs.org/ad/2026-12-03): Main rotor gearbox · Airbus Helicopters AS350B, AS350B1, AS350B2 and 11 more. Effective Jul 14, 2026 - [AD 2026-07-12](https://openairdocs.org/ad/2026-07-12): Main rotor transmission mount · Airbus Helicopters AS350B, AS350BA, AS350B1 and 3 more. Effective Apr 29, 2026 - [AD 2025-24-06](https://openairdocs.org/ad/2025-24-06): Cabin Equipment/Furnishings · Airbus Helicopters AS350B2, AS350B3, AS355N and 2 more. Effective Jan 12, 2026 - [AD 2025-10-01](https://openairdocs.org/ad/2025-10-01): Cabin Equipment/Furnishings · Airbus Helicopters AS350B2, AS350B3 and EC130B4. Effective Jul 11, 2025 - [AD 2025-09-13](https://openairdocs.org/ad/2025-09-13): Doors · Airbus Helicopters AS350B, AS350BA, AS350B1 and 9 more. Effective Jul 7, 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 2024-15-08](https://openairdocs.org/ad/2024-15-08): Main Rotor Blades · Airbus Helicopters AS350B, AS350BA, AS350B1 and 7 more. Effective Oct 15, 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 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 2021-03-16 R1](https://openairdocs.org/ad/2021-03-16-R1): Passenger/Crew Doors · Airbus Helicopters AS350B, AS350B1, AS350B2 and 9 more. Effective Mar 24, 2022 - [AD 2022-01-01](https://openairdocs.org/ad/2022-01-01): Main Rotor System · Airbus Helicopters AS350B, AS350BA, AS350B1 and 17 more. Effective Mar 7, 2022 - [AD 2022-02-04](https://openairdocs.org/ad/2022-02-04): Hydraulic Power System Wiring · Airbus Helicopters AS350B, AS350B2, AS350B3 and 1 more. Effective Feb 25, 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 2021-19-09](https://openairdocs.org/ad/2021-19-09): Cabin Equipment/Furnishings · Airbus Helicopters AS355E, AS355F, AS355F1 and 6 more. Effective Nov 4, 2021 - [AD 2021-16-16](https://openairdocs.org/ad/2021-16-16): Rotorcraft Flight Control · Airbus Helicopters AS355E, AS355F, AS355F1 and 9 more. Effective Oct 13, 2021 - [AD 2021-16-11](https://openairdocs.org/ad/2021-16-11): Tail Rotor Control System · Airbus Helicopters AS355E, AS355F, AS355F1 and 9 more. Effective Oct 6, 2021 - [AD 2021-14-07](https://openairdocs.org/ad/2021-14-07): Cabin Equipment/Furnishings · Airbus Helicopters AS332C, AS332C1, AS332L and 12 more. Effective Aug 19, 2021 - [AD 2021-07-15](https://openairdocs.org/ad/2021-07-15): Tail Rotor Drive Shaft · Airbus Helicopters AS355E, AS355F, AS355F1 and 11 more. Effective May 7, 2021 - [AD 2021-05-09](https://openairdocs.org/ad/2021-05-09): Tail Rotor Control System · Airbus Helicopters AS355E, AS355F, AS355F1 and 8 more. Effective Apr 16, 2021 - [AD 2021-04-13](https://openairdocs.org/ad/2021-04-13): Main Rotor Mast Inner Race Rings · Airbus Helicopters AS355E, AS355F, AS355F1 and 11 more. Effective Apr 14, 2021 - [AD 2021-04-17](https://openairdocs.org/ad/2021-04-17): Tail Rotor Blades · Airbus Helicopters AS355E, AS355F, AS355F1 and 7 more. Effective Mar 23, 2021 - [AD 2020-22-20](https://openairdocs.org/ad/2020-22-20): Main Rotor Gearbox · Airbus Helicopters AS355E, AS355F, AS355F1 and 12 more. Effective Dec 14, 2020 - [AD 2020-20-03](https://openairdocs.org/ad/2020-20-03): Main Rotor Drive Indicating System · Airbus Helicopters AS350B2. Effective Nov 3, 2020 - [AD 2015-17-01 R1](https://openairdocs.org/ad/2015-17-01-R1): Tail Rotor · Airbus Helicopters AS355E, AS355F, AS355F1 and 11 more. Effective Sep 11, 2020 - [AD 2020-09-02](https://openairdocs.org/ad/2020-09-02): Cabin Equipment/Furnishings · Airbus Helicopters AS355NP, Model 358 Torso Restraint System, AS350B2 and 3 more. Effective May 29, 2020 - [AD 2020-02-23](https://openairdocs.org/ad/2020-02-23): Landing gear · Emergency Floats (Dart Aerospace ULC STC SR00470LA or SR00645LA). Effective Feb 28, 2020 - [AD 2019-16-16](https://openairdocs.org/ad/2019-16-16): Engine Air Intake System · Airbus Helicopters AS350B, AS350B1, AS350B2 and 2 more. Effective Sep 26, 2019 - [AD 2018-25-17](https://openairdocs.org/ad/2018-25-17): Air Conditioning System Wiring · Airbus Helicopters 206A, 206B, 206L and 13 more. Effective Jan 22, 2019 - [AD 2018-02-02](https://openairdocs.org/ad/2018-02-02): Main Gearbox Mast · Airbus Helicopters AS355E, AS355F, AS355F1 and 11 more. Effective Feb 12, 2018 - [AD 2017-22-05](https://openairdocs.org/ad/2017-22-05): Hydraulic Pump (Electric/Engine), Main · Airbus Helicopters AS350B, AS350B1, AS350B2 and 5 more. Effective Dec 11, 2017 - [AD 2016-25-20](https://openairdocs.org/ad/2016-25-20): Main Rotor Drive System · Airbus Helicopters AS355E, AS355F, AS355F1 and 13 more. Effective Jan 31, 2017 - [AD 2016-05-06](https://openairdocs.org/ad/2016-05-06): Rotorcraft tailboom · Airbus Helicopters AS355E, AS355F, AS355F1 and 11 more. Effective Apr 8, 2016 - [AD 2015-17-11](https://openairdocs.org/ad/2015-17-11): Main Rotor System · Airbus Helicopters AS355E, AS355F, AS355F1 and 13 more. Effective Sep 29, 2015 - [AD 2014-05-10](https://openairdocs.org/ad/2014-05-10): Tail Rotor · Airbus Helicopters AS355E, AS355F, AS355F1 and 11 more. Effective May 2, 2014 - [AD 2014-05-07](https://openairdocs.org/ad/2014-05-07): Tail Rotor Control System · Airbus Helicopters AS355E, AS355F, AS355F1 and 9 more. Effective Apr 15, 2014 - [AD 2014-04-11](https://openairdocs.org/ad/2014-04-11): Tail rotor blades · Airbus Helicopters AS355E, AS355F, AS355F1 and 8 more. Effective Apr 9, 2014 - [AD 2014-02-05](https://openairdocs.org/ad/2014-02-05): Main Rotor Control · Airbus Helicopters AS350B, AS350B1, AS350B2 and 5 more. Effective Mar 7, 2014 - [AD 2013-23-10](https://openairdocs.org/ad/2013-23-10): Fuselage Miscellaneous Structure · Airbus Helicopters AS355E, AS355F, AS355F1 and 8 more. Effective Dec 30, 2013 - [AD 2013-23-09](https://openairdocs.org/ad/2013-23-09): Doors · Airbus Helicopters AS355E, AS355F, AS355F1 and 11 more. Effective Dec 27, 2013 - [AD 2013-16-03](https://openairdocs.org/ad/2013-16-03): Tail Rotor Gearbox · Airbus Helicopters AS355E, AS355F, AS355F1 and 11 more. Effective Oct 22, 2013 - [AD 2013-17-01](https://openairdocs.org/ad/2013-17-01): Tail rotor control system · Airbus Helicopters AS355E, AS355F, AS355F1 and 11 more. Effective Oct 9, 2013 - [AD 2013-10-51](https://openairdocs.org/ad/2013-10-51): Rotorcraft Servo System · Airbus Helicopters AS355E, AS355F, AS355F1 and 11 more. Effective Jul 31, 2013 ### 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 2025-06-04](https://openairdocs.org/ad/2025-06-04) (historical): Main Rotor Gearbox · Airbus Helicopters AS350B, AS350B1, AS350B2 and 11 more. Effective May 9, 2025 - [AD 2023-01-04](https://openairdocs.org/ad/2023-01-04) (historical): Tail Rotor Head · Airbus Helicopters AS350B, AS350BA, AS350B1 and 9 more. Effective Mar 8, 2023 - [AD 2022-11-08](https://openairdocs.org/ad/2022-11-08) (historical): Electrical Power System, Aircraft Fuel System, Hydraulic Power System, Doors, Fuselage Structure, Main Rotor System, Main Rotor Drive System, Tail Rotor System, Tail Rotor Drive System, Rotorcraft Flight Control · Airbus Helicopters AS350B, AS350BA, AS350B1 and 5 more. Effective Jul 8, 2022 - [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 2021-05-02](https://openairdocs.org/ad/2021-05-02) (historical): Main Rotor System · Airbus Helicopters AS350B, AS350BA, AS350B1 and 12 more. Effective Apr 16, 2021 - [AD 2021-03-16](https://openairdocs.org/ad/2021-03-16) (historical): Passenger/Crew Doors · Airbus Helicopters AS355E, AS355F, AS355F1 and 9 more. Effective Mar 3, 2021 - [AD 2020-24-03](https://openairdocs.org/ad/2020-24-03) (historical): Rotorcraft Flight Control · Airbus Helicopters AS355E, AS355F, AS355F1 and 6 more. Effective Dec 16, 2020 - [AD 2018-18-12](https://openairdocs.org/ad/2018-18-12) (historical): Engine Air Intake System · Airbus Helicopters AS-350B, AS-350B1, AS-350B2 and 2 more. Effective Sep 25, 2018 - [AD 2018-15-02](https://openairdocs.org/ad/2018-15-02) (historical): Tail Rotor Control System · Airbus Helicopters AS-350B, AS-350B1, AS-350B2 and 8 more. Effective Aug 3, 2018 - [AD 2017-16-04](https://openairdocs.org/ad/2017-16-04) (historical): Cabin Equipment/Furnishings · Airbus Helicopters AS-350B2, AS-350B3, AS355NP and 3 more. Effective Sep 22, 2017 - [AD 2015-17-01](https://openairdocs.org/ad/2015-17-01) (historical): Tail Rotor · Airbus Helicopters AS-350B, AS-350B1, AS-350B2 and 11 more. Effective Sep 24, 2015 - [AD 2014-07-52](https://openairdocs.org/ad/2014-07-52) (historical): Rotorcraft Tailboom · Airbus Helicopters AS-350B, AS-350B1, AS-350B2 and 11 more. Effective Jun 25, 2014 - [AD 2013-21-01](https://openairdocs.org/ad/2013-21-01) (historical): Tail Rotor · Airbus Helicopters AS-350B, AS-350B1, AS-350B2 and 11 more. Effective Oct 25, 2013 - [AD 2013-15-03](https://openairdocs.org/ad/2013-15-03) (historical): Hydraulic Pump, Main · Airbus Helicopters AS-350B, AS-350B1, AS-350B2 and 5 more. Effective Aug 8, 2013 - [AD 2011-22-05](https://openairdocs.org/ad/2011-22-05) (historical): Tail rotor control system · Airbus Helicopters AS-350B, AS-350B1, AS-350B2 and 11 more. Effective Nov 25, 2011 - [AD 2010-21-01](https://openairdocs.org/ad/2010-21-01) (historical): Fuselage Misc. Structure · Eurocopter France AS-350B, AS-350B1, AS-350B2 and 8 more. Effective Oct 29, 2010 - [AD 2010-11-51](https://openairdocs.org/ad/2010-11-51) (historical): Tail Rotor Control System · Airbus Helicopters AS-350B, AS-350B1, AS-350B2 and 9 more. Effective Sep 2, 2010 - [AD 2003-25-01](https://openairdocs.org/ad/2003-25-01) (historical): Hoist operator control unit · Airbus Helicopters AS-350B, AS-350B1, AS-350B2 and 11 more. Effective Jan 20, 2004 - [AD 2003-22-06](https://openairdocs.org/ad/2003-22-06) (historical): Tail rotor pitch control rod (control Rod) · Eurocopter France AS-350B, AS-350B1, AS-350B2 and 10 more. Effective Dec 3, 2003 - [AD 2002-02-51](https://openairdocs.org/ad/2002-02-51) (historical): Metal bushing and the STARFLEX star arm end (arm end) · Eurocopter France AS-350B, AS-350B1, AS-350B2 and 11 more - [AD 2001-26-53](https://openairdocs.org/ad/2001-26-53) (historical): Servocontrols · Eurocopter France AS-350B, AS-350B1, AS-350B2 and 3 more. Effective Feb 6, 2002 - [AD 2000-10-10](https://openairdocs.org/ad/2000-10-10) (historical): Main Gearbox Suspension Bi-directional Cross-Beam · Eurocopter France AS-350B, AS-350B1, AS-350B2 and 7 more. Effective Jun 26, 2000 - [AD 86-15-10 R2](https://openairdocs.org/ad/86-15-10-R2) (historical): Main Rotor Head Components, the Main Gearbox (MGB) Suspension Bars, and Ground Resonance Prevention System Components · Eurocopter France AS-350B, AS-350B1, AS-350B2 and 8 more. Effective May 23, 2000 - [AD 99-24-18](https://openairdocs.org/ad/99-24-18) (historical): Tail Rotor Spider Plate Bearing · Eurocopter France AS-350B, AS-350B1, AS-350B2 and 8 more. Effective Dec 15, 1999 - [AD 98-24-35](https://openairdocs.org/ad/98-24-35) (historical): Outboard Spherical Bearing Ball · Eurocopter France AS-350B, AS-350B1, AS-350B2 and 9 more. Effective Dec 17, 1998 - [AD 98-14-01](https://openairdocs.org/ad/98-14-01) (historical): Cross-Beam Crack Inspection · Eurocopter France AS-350B, AS-350B1, AS-350B2 and 7 more. Effective Aug 3, 1998 - [AD 89-21-01](https://openairdocs.org/ad/89-21-01) (historical): Main Rotor Swash Plate Bearing · Eurocopter France AS-350B, AS-350B1, AS-350B2 and 10 more. Effective May 3, 1990 - [AD 86-15-10 R1](https://openairdocs.org/ad/86-15-10-R1) (historical): Main Rotor Arms & Gearbox Bars · Eurocopter France AS-350B, AS-350B1, AS-350B2 and 10 more. Effective Mar 22, 1990 - [AD 85-14-06 R1](https://openairdocs.org/ad/85-14-06-R1) (historical): Fuselage Tailboom Interface · Eurocopter France AS-350B, AS-350B1, AS-350B2 and 10 more. Effective Sep 12, 1985 - [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 All 196: https://openairdocs.org/aircraft/N90DK/ads.md ## Information bulletins (advisory) (7 in force) - [SAIB AIR-21-13](https://openairdocs.org/saib/AIR-21-13): ENGINE EMERGENCY SHUTDOWN SYSTEM. Issued Aug 13, 2021 - [SAIB SW-17-23R2](https://openairdocs.org/saib/SW-17-23R2): Fuel System. Issued Jul 15, 2019 - [SAIB SW-15-20](https://openairdocs.org/saib/SW-15-20): Air Conditioning System Wiring. Issued Aug 13, 2015 - [SAIB SW-15-04](https://openairdocs.org/saib/SW-15-04): Cabin Ventilation Air Scoop Draining. Issued Nov 25, 2014 - [SAIB SW-12-45](https://openairdocs.org/saib/SW-12-45): Garmin Model 400W/500W Series GPS-WAAS Navigation System. Issued Oct 3, 2012 - [SAIB SW-11-07](https://openairdocs.org/saib/SW-11-07): Star Flex Arm Failures on Eurocopter France Model AS350, AS355, and EC130 Helicopters. Issued Dec 20, 2010 - [SAIB SW-07-22R1](https://openairdocs.org/saib/SW-07-22R1): Serrated lock washers. Issued Apr 3, 2007 - [SAIB SW-17-23R1](https://openairdocs.org/saib/SW-17-23R1) (historical): Fuel System. Issued Mar 2, 2018 ## NTSB investigations None matched to N90DK. ## FAA accident and incident reports None matched to N90DK. ## 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) (493, first 50) 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 (Eurocopter AS 350 B2) - [STC SR00653NY](https://openairdocs.org/stc/SR00653NY): nstallation and configuration of Maintenance Step on Transmission Deck Cowling. Airbus Helicopters Canada Limited - [STC SH8154SW-D](https://openairdocs.org/stc/SH8154SW-D): Installation of a steerable landing light. Airbus Helicopters Inc - [STC SR00643DE](https://openairdocs.org/stc/SR00643DE): Installation of a vapor cycle cabin airconditioning system. Air Comm Corporation - [STC SR12433IB](https://openairdocs.org/stc/SR12433IB): Fabrication of equipment must be in accordance with the applicable Manufacturing Procedure document as shown on the attached FAA AML No. SR12433IB. Lake Central Air Services - [STC SR09496RC-D](https://openairdocs.org/stc/SR09496RC-D): Installation of Trakka Corporation A800 Searchlight System. Airbus Helicopters Inc - [STC SH4716NM](https://openairdocs.org/stc/SH4716NM): Redesign and relocation of cargo door hinges and relocation of cargo door latch. Turbolyft USA Corporation - [STC SH4791NM](https://openairdocs.org/stc/SH4791NM): Installation of a Geneva Aviation Starter Generator,. Turbolyft USA Corporation - [STC SH4929NM](https://openairdocs.org/stc/SH4929NM): Installation of high-volume air blower assembly. Turbolyft USA Corporation - [STC SH4983NM](https://openairdocs.org/stc/SH4983NM): Installation of 2nd oil cooler. Turbolyft USA Corporation - [STC SH5187NM](https://openairdocs.org/stc/SH5187NM): Installation of a video system. Turbolyft USA Corporation - [STC SR00219SE](https://openairdocs.org/stc/SR00219SE): Installation of a color video camera on either the left, right, or both upper outboard surfaces of the horizontal stabilizer. Turbolyft USA Corporation - [STC SR00222SE](https://openairdocs.org/stc/SR00222SE): Installation of a supplemental avionics console between the front seats. Turbolyft USA Corporation - [STC SR00242SE](https://openairdocs.org/stc/SR00242SE): Fabrication and Installation of a new instrument panel and pedestal. Turbolyft USA Corporation - [STC SR00326SE](https://openairdocs.org/stc/SR00326SE): Installation of Geneva Aviation Microwave System. Turbolyft USA Corporation - [STC SR00361SE](https://openairdocs.org/stc/SR00361SE): Installation of baggage compartment utility rack. Turbolyft USA Corporation - [STC SR00388SE](https://openairdocs.org/stc/SR00388SE): Fabrication and Installation of a rear communication console. Turbolyft USA Corporation - [STC SR00474SE](https://openairdocs.org/stc/SR00474SE): Installation of a modular equipment rack in the left side only, right side only, or both side cargo compartments. Turbolyft USA Corporation - [STC SR00643SE](https://openairdocs.org/stc/SR00643SE): Installation of Geneva Aviation Video System. Turbolyft USA Corporation - [STC SR04464NY](https://openairdocs.org/stc/SR04464NY): Installation of the iPad Mount. Avio Design Group Inc - [STC SR00407NY](https://openairdocs.org/stc/SR00407NY): Installation of litter kit fixed provisions P/N 350-200034-01 or 350-200034-02, and detachable provisions P/N 350-200034-03. Airbus Helicopters Canada Limited - [STC SH4747NM](https://openairdocs.org/stc/SH4747NM): Fabrication and Installation of Electrical System Upgrade. AEM USA Inc - [STC SR00521SE](https://openairdocs.org/stc/SR00521SE): Installation of Geneva Aviation Audio System. AEM USA Inc - [STC SR02301SE](https://openairdocs.org/stc/SR02301SE): Installation of Geneva Aviation 28 - 14 VDC Power Converter. AEM USA Inc - [STC SR02445SE](https://openairdocs.org/stc/SR02445SE): Installation of P178 Failsafe Audio Mixer. AEM USA Inc - [STC SR03029NY](https://openairdocs.org/stc/SR03029NY): The installation of a SkyTrac ISAT-200 Airborne Position/Data Communicator upgrade. SkyTrac Systems Ltd - [STC SR12293NY](https://openairdocs.org/stc/SR12293NY): Installation of a FreeFlight Systems RA-4500 MKII 5G Tolerant Radar Altimeter. FreeFlight Systems Ltd - [STC SR11808LA](https://openairdocs.org/stc/SR11808LA): Installation of tail rotor assemblies, P/N 350TR1000-101/301. Van Horn Aviation LLC - [STC SR12178IB](https://openairdocs.org/stc/SR12178IB): Installation of Oil Pressure Sensor part number MPN 2010-0078-10. HELIBRAS - Helicópteros do Brasil S. A - [STC SR12146IB](https://openairdocs.org/stc/SR12146IB): Installation of an AEM MTP136D Panel Mount FM Transceiver. Anodyne Electronics Manufacturing Corporation - [STC SR00307DE](https://openairdocs.org/stc/SR00307DE): Installation of Aft Jump Seat. Air Methods LLC - [STC SR00308DE](https://openairdocs.org/stc/SR00308DE): Installation of Composite Interior. Air Methods LLC - [STC SH4343SW-D](https://openairdocs.org/stc/SH4343SW-D): Installation of strobe anti-collision light installation and/or supplemental strobe light. Airbus Helicopters Inc - [STC SR04644CH](https://openairdocs.org/stc/SR04644CH): Replacement of existing main ship battery with Lithium Ion Battery and installation of Battery System Annunciator. Airwolf Aerospace LLC - [STC SR12092IB](https://openairdocs.org/stc/SR12092IB): Manufacturing and Installation of Cargo Hold Nets. ICARUS AERO INC - [STC SR03526NY](https://openairdocs.org/stc/SR03526NY): Installation and Configuration of Electrical Power Supply for Optional 50Amp / Longline / Carousel Systems. Airbus Helicopters Canada Limited - [STC SR12020IB](https://openairdocs.org/stc/SR12020IB): Installation of External Mirror System 350P025 on Right Hand Side (RHS) and/or Left Hand Side (LHS). BOGGI AERONAUTICS S.R.L - [STC SH4016SW-D](https://openairdocs.org/stc/SH4016SW-D): Installation of Hourmeter. Airbus Helicopters Inc - [STC SR00115IB](https://openairdocs.org/stc/SR00115IB): Installation of the Advanced Lithium Ion Battery Replacement of Ni-Cad Battery. Vertical Flight Solutions Inc - [STC SR04711NY](https://openairdocs.org/stc/SR04711NY): Replacement of Luminator LS400 LED searchlight (steerable landing light). Sterling Helicopter - [STC SR01410NY](https://openairdocs.org/stc/SR01410NY): Installation of Isolair model 3900-350B2 Spray System. Isolair Inc - [STC SR02753SE](https://openairdocs.org/stc/SR02753SE): Installation of Isolair Spray System model 3900-H125. Isolair Inc - [STC SR09090RC-D](https://openairdocs.org/stc/SR09090RC-D): Installation of an Isolair Eliminator II Fire Fighting System. Isolair Inc - [STC SR10119LA-D](https://openairdocs.org/stc/SR10119LA-D): Installation of Isolair Fire Fighting System (with 1000 liter tank). Isolair Inc - [STC SR04641CH](https://openairdocs.org/stc/SR04641CH): Installation of a Helitak FT1400 Liquid Dispensing System. U.S. Technical Consultants Inc - [STC SR11839IB](https://openairdocs.org/stc/SR11839IB): Manufacture and Installation of Seat Refurbishment. Icarus Aero Inc - [STC SR00528DE](https://openairdocs.org/stc/SR00528DE): Installation of an Emergency Medical System (EMS). Air Methods LLC - [STC SR00853DE](https://openairdocs.org/stc/SR00853DE): Installation of Fibrotek survey stinger. Upper Limit Aviation - [STC SR04548CH](https://openairdocs.org/stc/SR04548CH): Installation of Appareo Systems AIRS-400 Flight Monitoring System. Appareo Systems - [STC SR00425SE](https://openairdocs.org/stc/SR00425SE): Installation of a satellite phone. Turbolyft USA Corporation - [STC SR00184IB](https://openairdocs.org/stc/SR00184IB): Installation of External Cargo Basket and Boarding Step. Boost Human External Cargo Systems Inc All 493: https://openairdocs.org/aircraft/N90DK/stcs.md ## Related - Other Eurocopter AS 350 B2 aircraft: https://openairdocs.org/model/eurocopter-as-350-b2/aircraft.md - The Turbomeca ARRIEL series engine: https://openairdocs.org/engine/turbomeca-arriel-series.md --- 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.