# Aerospatiale AS350BA

- Type: Aircraft model (FAA registry)
- Registry code: 8680817
- Manufacturer (registry): AEROSPATIALE
- Model: AS350BA
- Aircraft type: Rotorcraft
- Category: Rotorcraft
- Engines: 1 · Turbo-shaft
- Seats: 6
- Weight class: Up to 12,499 lb
- Certification: Type certificated
- Data sheet: [TCDS H9EU](https://openairdocs.org/tcds/H9EU) (OpenAirDocs)
- Holder: Airbus Helicopters
- Registered aircraft: 18
- Page: https://openairdocs.org/model/aerospatiale-as350ba

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

- [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 2026-16-01](https://openairdocs.org/ad/2026-16-01): Main rotor drive · Airbus Helicopters AS350B, AS350BA, AS350B1 and 5 more. Effective Sep 10, 2026
- [AD 2026-12-10](https://openairdocs.org/ad/2026-12-10): Equipment/Furnishings · Airbus Helicopters AS350B, AS350BA, AS350B1 and 3 more. Effective Aug 3, 2026
- [AD 2026-12-09](https://openairdocs.org/ad/2026-12-09): Time Limits/Maintenance Checks · Airbus Helicopters AS350B, AS350BA, AS350B1 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 2025-09-13](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 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 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 2020-02-23](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
- [AD 2013-08-19](https://openairdocs.org/ad/2013-08-19): Fuselage Door Hinges · Airbus Helicopters AS355E, AS355F, AS355F1 and 10 more. Effective Jun 5, 2013
- [AD 2012-25-01](https://openairdocs.org/ad/2012-25-01): Emergency Equipment · Airbus Helicopters AS355E, AS355F, AS355F1 and 11 more. Effective Jun 5, 2013
- [AD 2012-26-07](https://openairdocs.org/ad/2012-26-07): AERAZUR emergency flotation gear container assemblies · Airbus Helicopters AS350BA. Effective Feb 11, 2013
- [AD 2012-17-03](https://openairdocs.org/ad/2012-17-03): Hydraulic Power System · Airbus Helicopters AS350B, AS350B1, AS350B2 and 3 more. Effective Oct 11, 2012
- [AD 2011-18-12](https://openairdocs.org/ad/2011-18-12): Vertical stabilizer spar/rib structure · Airbus Helicopters AS355E, AS355F, AS355F1 and 8 more. Effective Feb 8, 2012
- [AD 2011-10-12](https://openairdocs.org/ad/2011-10-12): Pinion · Airbus Helicopters AS350B, AS350B1, AS350B2 and 3 more. Effective Jun 22, 2011
- [AD 2010-22-08](https://openairdocs.org/ad/2010-22-08): Main rotor servo-controls and tail rotor servo-controls · Airbus Helicopters AS355E, AS355F, AS355F1 and 8 more. Effective Nov 26, 2010

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 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

All 105: https://openairdocs.org/model/aerospatiale-as350ba/ads.md

## Information bulletins (advisory) (7)

- [SAIB SW-17-23R2](https://openairdocs.org/saib/SW-17-23R2): Fuel System. Issued Jul 15, 2019
- [SAIB SW-17-23R1](https://openairdocs.org/saib/SW-17-23R1) (historical): Fuel System. Issued Mar 2, 2018
- [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-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-09-49](https://openairdocs.org/saib/SW-09-49): Eurocopter AS350BA Emergency Floats. Issued Sep 1, 2009
- [SAIB SW-07-22R1](https://openairdocs.org/saib/SW-07-22R1): Serrated lock washers. Issued Apr 3, 2007

## Registered aircraft (18)

- [N111LN](https://openairdocs.org/aircraft/N111LN): [C Lou Leasing LLC](https://openairdocs.org/faa-owner/C%20LOU%20LEASING%20LLC), [Mankato, MN](https://openairdocs.org/faa-place/MN/Mankato), built 1984, S/N 1602
- [N113PH](https://openairdocs.org/aircraft/N113PH): [Cherokee Helicopter Service LLC](https://openairdocs.org/faa-owner/CHEROKEE%20HELICOPTER%20SERVICE%20LLC), [Ford City, PA](https://openairdocs.org/faa-place/PA/Ford%20City), built 1980, S/N 1298
- [N234BU](https://openairdocs.org/aircraft/N234BU): [Heli-USA Corp](https://openairdocs.org/faa-owner/HELI-USA%20CORP), [Houston, TX](https://openairdocs.org/faa-place/TX/Houston), S/N 1210
- [N274CH](https://openairdocs.org/aircraft/N274CH): [Walker Kenneth E](https://openairdocs.org/faa-owner/WALKER%20KENNETH%20E), [Ford City, PA](https://openairdocs.org/faa-place/PA/Ford%20City), built 1989, S/N 2306
- [N27WA](https://openairdocs.org/aircraft/N27WA): [Wings Air Helicopters LLC](https://openairdocs.org/faa-owner/WINGS%20AIR%20HELICOPTERS%20LLC), [West Harrison, NY](https://openairdocs.org/faa-place/NY/West%20Harrison), built 1994, S/N 2792
- [N288WS](https://openairdocs.org/aircraft/N288WS): [World Trade Enterprises LLC](https://openairdocs.org/faa-owner/WORLD%20TRADE%20ENTERPRISES%20LLC), [Lucas, TX](https://openairdocs.org/faa-place/TX/Lucas), built 1988, S/N 2087
- [N312B](https://openairdocs.org/aircraft/N312B): [Patriot Aviation Inc](https://openairdocs.org/faa-owner/PATRIOT%20AVIATION%20INC), [Greenville, DE](https://openairdocs.org/faa-place/DE/Greenville), S/N 2243
- [N352VH](https://openairdocs.org/aircraft/N352VH): [Elt Holdings LLC](https://openairdocs.org/faa-owner/ELT%20HOLDINGS%20LLC), [Cottonwood, AZ](https://openairdocs.org/faa-place/AZ/Cottonwood), built 1985, S/N 1838
- [N57954](https://openairdocs.org/aircraft/N57954): [Ns Air Leasing LLC](https://openairdocs.org/faa-owner/NS%20AIR%20LEASING%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1979, S/N 1127
- [N596MS](https://openairdocs.org/aircraft/N596MS): [Ns Air Leasing LLC](https://openairdocs.org/faa-owner/NS%20AIR%20LEASING%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1988, S/N 1884
- [N611TC](https://openairdocs.org/aircraft/N611TC): [Aircraft Trustee Services Inc Trustee](https://openairdocs.org/faa-owner/AIRCRAFT%20TRUSTEE%20SERVICES%20INC%20TRUSTEE), [Dover, DE](https://openairdocs.org/faa-place/DE/Dover), built 1988, S/N 2123
- [N617TV](https://openairdocs.org/aircraft/N617TV): [US Helicopters Inc](https://openairdocs.org/faa-owner/US%20HELICOPTERS%20INC), [Marshville, NC](https://openairdocs.org/faa-place/NC/Marshville), S/N 1725
- [N619LH](https://openairdocs.org/aircraft/N619LH): [Yukon Helicopters Inc](https://openairdocs.org/faa-owner/YUKON%20HELICOPTERS%20INC), [Bethel, AK](https://openairdocs.org/faa-place/AK/Bethel), built 1980, S/N 1263
- [N61HL](https://openairdocs.org/aircraft/N61HL): [Tiny Bubbles Aviation Inc](https://openairdocs.org/faa-owner/TINY%20BUBBLES%20AVIATION%20INC), [Pacoima, CA](https://openairdocs.org/faa-place/CA/Pacoima), S/N 2298
- [N818HD](https://openairdocs.org/aircraft/N818HD): [US Helicopters Inc](https://openairdocs.org/faa-owner/US%20HELICOPTERS%20INC), [Marshville, NC](https://openairdocs.org/faa-place/NC/Marshville), built 1990, S/N 2376
- [N821SP](https://openairdocs.org/aircraft/N821SP): [Aviation Concepts America LLC](https://openairdocs.org/faa-owner/AVIATION%20CONCEPTS%20AMERICA%20LLC), [Daytona Beach, FL](https://openairdocs.org/faa-place/FL/Daytona%20Beach), built 1988, S/N 2106
- [N927LB](https://openairdocs.org/aircraft/N927LB): [Elt Holdings LLC](https://openairdocs.org/faa-owner/ELT%20HOLDINGS%20LLC), [Cottonwood, AZ](https://openairdocs.org/faa-place/AZ/Cottonwood), built 1990, S/N 2347
- [N966FS](https://openairdocs.org/aircraft/N966FS): [Tumbleweed Leasing Co Inc](https://openairdocs.org/faa-owner/TUMBLEWEED%20LEASING%20CO%20INC), [West Jordan, UT](https://openairdocs.org/faa-place/UT/West%20Jordan), built 1989, S/N 2301

## NTSB investigations (20)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB DCA20IA081](https://openairdocs.org/ntsb/DCA20IA081), Feb 6, 2020: Aerospatiale AS350BA (N611TC), Johnson Valley, CA, incident, minor damage. Probable cause: the failure of the small UAS remote pilot to give way to the helicopter, resulting in an inflight collision. Contributing to the incident was the sUAS remote pilot’s failure to assess and mitigate…
- [NTSB WPR15CA040](https://openairdocs.org/ntsb/WPR15CA040), Nov 13, 2014: Aerospatiale AS350BA (N425U), Panguitch, UT, substantial damage. Probable cause: The flight instructor's delayed reaction in taking control of the helicopter during a student pilot's loss of control while landing.
- [NTSB WPR10FA085](https://openairdocs.org/ntsb/WPR10FA085), Dec 16, 2009: Eurocopter AS350BA (FX2) (N87EW), Hana, Maui, HI, substantial damage. Probable cause: An uncommanded engine shutdown due to an improperly calibrated fuel control unit (FCU) and power turbine governor (PTG). Also causal was the operator’s inadequate maintenance practices and procedures…
- [NTSB WPR10FA055](https://openairdocs.org/ntsb/WPR10FA055), Nov 14, 2009: Aerospatiale AS350BA (N5793P), Doyle, CA, substantial damage, 3 fatal. Probable cause: The pilot became spatially disoriented while maneuvering on a dark night, which resulted in a loss of helicopter control.
- [NTSB NYC07MA073](https://openairdocs.org/ntsb/NYC07MA073), Mar 9, 2007: Aerospatiale AS350BA (N354NT), Princeville, HI, substantial damage, 4 fatal. Probable cause: The failure of maintenance personnel to properly tighten (torque) the flight control servo lower attachment clevis, and reinstall a functioning lock washer, which resulted in a flight control…
- [NTSB ANC06LA044](https://openairdocs.org/ntsb/ANC06LA044), Apr 6, 2006: Aerospatiale AS-350BA (N209CH), Haines, AK, substantial damage. Probable cause: The pilot's failure to maintain adequate clearance from an object while landing a helicopter at a remote site, which resulted in the main rotor blades striking a tree.
- [NTSB LAX06LA072](https://openairdocs.org/ntsb/LAX06LA072), Jan 10, 2006: Eurocopter AS350BA (N3607P), Hana, HI, destroyed. Probable cause: The total loss of engine power due to a fatigue failure of a turbine blade. A factor in the accident was the lack of a suitable forced landing site.
- [NTSB SEA05MA199](https://openairdocs.org/ntsb/SEA05MA199), Sep 24, 2005: Aerospatiale AS350BA (N355NT), Haena, HI, substantial damage, 3 fatal. Probable cause: The pilot's decision to continue flight into adverse weather conditions, which resulted in a loss of control due to an encounter with a microburst. Contributing to the accident was inadequate Federal…
- [NTSB LAX05CA102](https://openairdocs.org/ntsb/LAX05CA102), Feb 21, 2005: Aerospatiale AS350BA (N905BK), Lihue, HI, substantial damage. Probable cause: the pilot's failure to maintain adequate terrain clearance, which resulted in the in-flight collision with terrain.
- [NTSB LAX05FA056](https://openairdocs.org/ntsb/LAX05FA056), Dec 30, 2004: Eurocopter France AS350BA (N410JC), Panamint Spring, CA, destroyed, 1 fatal. Probable cause: The pilot's misjudged lateral distance from a mountainside and failure to maintain an adequate clearance from terrain and obstacles while performing a low altitude filming maneuver.
- [NTSB NYC04FA117](https://openairdocs.org/ntsb/NYC04FA117), May 4, 2004: Eurocopter AS-350BA (N4NY), Brooklyn, NY, destroyed. Probable cause: The pilot's failure to maintain control of the helicopter after a loss of hydraulic system pressure due to a failure of the hydraulic pump belt. Factors in this accident were the pilot's…
- [NTSB LAX03MA292](https://openairdocs.org/ntsb/LAX03MA292), Sep 20, 2003: Aerospatiale AS350BA (N270SH), GrandCanyonWest, AZ, destroyed, 7 fatal. Probable cause: The pilot's disregard of safe flying procedures and misjudgment of the helicopter's proximity to terrain, which resulted in an in-flight collision with a canyon wall. Contributing to the accident was…
- [NTSB FTW03LA081](https://openairdocs.org/ntsb/FTW03LA081), Jan 9, 2003: Aerospatiale AS-350-BA (N22TV), Venice, LA, destroyed. Probable cause: The loss of tail rotor drive as a result of baggage coming in contact with the tail rotor blades after the aft cargo door was not secured. A contributing factor was the passenger's failure to follow…
- [NTSB DEN03LA020](https://openairdocs.org/ntsb/DEN03LA020), Dec 2, 2002: Aerospatiale AS-350BA (N20840), Monticello, UT, substantial damage. Probable cause: the pilot's failure to maintain rotor rpm. A related factor was the presence of an object in the path during the touchdown.
- [NTSB LAX01LA304](https://openairdocs.org/ntsb/LAX01LA304), Sep 23, 2001: Aerospatiale AS350BA (N911NT), Chico, CA, destroyed, 1 fatal. Probable cause: the pilot's inadequate in-flight decision and delay in initiating a go-around during an encounter with brown out conditions, which led to his failure to maintain alignment of the helicopter with the…
- [NTSB LAX01LA061](https://openairdocs.org/ntsb/LAX01LA061), Dec 7, 2000: Aerospatiale AS-350-BA (N355NT), Henderson, NV, substantial damage. Probable cause: The pilot misjudged his practice approach into a remote pinnacle landing site, dragging a skid across a rock resulting in a hard landing.
- [NTSB LAX01LA025](https://openairdocs.org/ntsb/LAX01LA025), Oct 22, 2000: Aerospatiale AS350BA (N12NT), Kamuela, HI, substantial damage. Probable cause: A total loss of engine power due to the failure of the engine manufacturer's repair station personnel to install a circlip during engine overhaul, which resulted in the turbine assembly aft support…
- [NTSB LAX99LA282](https://openairdocs.org/ntsb/LAX99LA282), Aug 24, 1999: Aerospatiale AS350BA (N6094S), Kahului, HI, substantial damage. Probable cause: The pilot's initial misjudgment of the wind speed and his decision to continue a downwind landing approach when his speed and altitude profile was inadequate, and his failure to maintain main rotor…
- [NTSB CHI93FA249](https://openairdocs.org/ntsb/CHI93FA249), Jul 10, 1993: American Eurocopter AS350BA (N350BA), West Plains, MO, destroyed. Probable cause: UNDETERMINED.
- [NTSB NYC89FA089](https://openairdocs.org/ntsb/NYC89FA089), Feb 22, 1989: Aerospatiale AS-350D (N5793P), Spring Valley, NY, destroyed. Probable cause: FAILURE OF THE FAA FLIGHT EXAMINER (F/E) TO FOLLOW PROPER PROCEDURES CONCERNING THE AUTOROTATION, AND IMPROPER REMEDIAL ACTION BY THE PILOT-IN-COMMAND (PIC). FACTORS RELATED TO THE ACCIDENT WERE:…

## FAA accident and incident reports (26)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 20251028016189I](https://openairdocs.org/incident/20251028016189I), Oct 28, 2025: Aerospatiale AS350BA (N61HL), Chelsea, MA, No damage. Power loss / vibration event that occurred on October 28, 2025 concerning helicopter [privacy data omitted] was conducting flight operations over Chelsea ma…
- [Accident 20141113020369A](https://openairdocs.org/incident/20141113020369A), Nov 13, 2014: Aerospatiale AS350BA (N425U), Panguitch, UT, Substantial damage. Student pilot lost control of the helicopter while performing a simulated hydraulic failure emergency approach to land. CFI took controls and was unable to…
- [Accident 20091114051399A](https://openairdocs.org/incident/20091114051399A), Nov 14, 2009: Aerospatial AS350BA (N5793P), Doyle, CA, Destroyed, 3 fatal. On November 14, 1009, at approximately 0200 mountain standard time (MST) (0900Z), N5793P, an aerospatiale AS350BA, owned and operated by mountain lifeflight,…
- [Incident 20080519835729I](https://openairdocs.org/incident/20080519835729I), May 19, 2008: Snias AS350BA (N5793P), Reno, NV, Minor damage. (-23) During an hems flight, the pilot experienced an underspeed nr main rotor condition and performed a precautionary landing next to a highway.
- [Accident 20070308003109A](https://openairdocs.org/incident/20070308003109A), Mar 8, 2007: Snias AS350BA (N354NT), Hanalei, HI, Destroyed, 4 fatal. (-23) On March 8, 2007, at 1502 Hawaii standard time, a Eurocopter AS-350-BA, N354NT, collided with terrain following a loss of control during landing on…
- [Incident 20061222027379I](https://openairdocs.org/incident/20061222027379I), Dec 22, 2006: Snias AS350BA (N5793P), Reno, NV, Minor damage. (-23) During a cruise flight at approximately 6800 MSL, the pilot heard a loud bang from the engine, followed by a loss of power, left yaw, chip, and low oil…
- [Accident 20060406004839A](https://openairdocs.org/incident/20060406004839A), Apr 6, 2006: Snias AS350BA (N209CH), Haines, AK, Substantial damage. (-23) On 4/06/2006, approx 1550 adt, a Eurocopter AS-350-BA helicopter, N209CH, sustained substantial damage when, while in hovering flight, its main rotor…
- [Accident 20060109000629A](https://openairdocs.org/incident/20060109000629A), Jan 9, 2006: Snias AS350BA (N3607P), Kaupo, HI, Destroyed. (-23) Helicopter crashed at Kaupo, maui, Hawaii. Pilot said he felt a strong vibration, heard horn and entered autorotation. Aircraft crashed in trees at…
- [Accident 20050923026359A](https://openairdocs.org/incident/20050923026359A), Sep 23, 2005: Snias AS350BA (N355NT), Haena, HI, Destroyed, 3 fatal. (-23) Pilot elected to continue VFR flight into IMC. Passengers and pilot reported flying into a wall of water. Passengers reported that at one point they…
- [Accident 20050221003659A](https://openairdocs.org/incident/20050221003659A), Feb 21, 2005: Snias AS350BA (N905BK), Lihue, HI, Substantial damage. (-23) The aircraft was parked on a pad at the lih heliport. Operations at this heliport normally require that the helicopter be brought to a 3-5 foot hover,…
- [Accident 20041230033769A](https://openairdocs.org/incident/20041230033769A), Dec 30, 2004: Snias AS350BA (N410JC), Panamint Spring, CA, Destroyed, 1 fatal. (-23) On December 30, 2004 at approximately 1143 pacific standard time, a Eurocopter AS350BA, N410JC collided with a mountainside while maneuvering during a…
- [Accident 20040504020969A](https://openairdocs.org/incident/20040504020969A), May 4, 2004: Snias AS350BA (N4NY), Brooklyn, NY, Destroyed. (-23) N4NY, acting as "chopper 4", for channel 4 news was hovering, observing police activity in Brooklyn, NY. The pilot advised ATC that he had a tail rotor…
- [Accident 20030920037859A](https://openairdocs.org/incident/20030920037859A), Sep 20, 2003: Snias AS350BA (N270SH), Grandcanyonwes, AZ, Destroyed, 7 fatal. (-23) On September 20, 2003, at 1238 mountain standard time, an aerospatiale AS350BA, N270SH, collided with a canyon wall during a descent into descent canyon,…
- [Accident 20030109002509A](https://openairdocs.org/incident/20030109002509A), Jan 9, 2003: Snias AS350BA (N22TV), Venice, LA, Substantial damage. (.19) On January 9, 2003, approximately 1500 central standard time, an aerospatiale AS-350-BA single-engine helicopter, N22TV, was destroyed when it impacted…
- [Accident 20021202031869A](https://openairdocs.org/incident/20021202031869A), Dec 2, 2002: Snias AS350BA (N20840), Monticello, UT, Substantial damage. (-23) Pilot was executing a shallow approach to an open field to drop off a 50 foot long class b external load. On short final pilot noticed rotor RPM increase…
- [Accident 20010922030019A](https://openairdocs.org/incident/20010922030019A), Sep 22, 2001: Snias AS350BA (N911NT), Buttemeadows, CA, No damage, 1 fatal. (-23) During an approach to a confined area, the pilot lost contact with the ground due to an excessive amount of dirt being blown by the downwash of the rotor…
- [Incident 20010209000939I](https://openairdocs.org/incident/20010209000939I), Feb 9, 2001: Snias AS350BA (N911KR), Lake Mead, NV, Minor damage. (-23)On a flight from grand canyon west airport to las at an altitude on 4500' MSL, a flock of ravens were encountered. The pilot attempted to avoid ravens,…
- [Accident 20001207021529A](https://openairdocs.org/incident/20001207021529A), Dec 7, 2000: Snias AS350BA (N355NT), Las Vegas, NV, Substantial damage. (-23) While performing a pinnacle approach procedure into an unimproved site, the right front portion of the helicopters skid collided with a large rock. This…
- [Accident 20001022018899A](https://openairdocs.org/incident/20001022018899A), Oct 22, 2000: Snias AS350BA (N12NT), Kamuela, HI, Substantial damage. (-23) After takeoff the heli turned downwind toward its destination. Two to three minutes after takeoff, the pilot heard three loud banging noises and felt…
- [Incident 20000730026249I](https://openairdocs.org/incident/20000730026249I), Jul 30, 2000: Snias AS350BA (N270SH), Grand Canyon, AZ, Minor damage. (-23) This incident occurred as a result of the pilot performing low level or (terrain flight) during which time a turning manuever was performed causing one…
- [Incident 20000523016979I](https://openairdocs.org/incident/20000523016979I), May 23, 2000: Snias AS350BA (N270SH), Peach Springs, AZ, Minor damage. (-23)Aircraft N270SH had landed to a hover over a remote unimproved helipad. While making a pedal turn over the helipad, the pilot miscalculated his distance…
- [Accident 19990824013429A](https://openairdocs.org/incident/19990824013429A), Aug 24, 1999: Snias AS350BA (N6094S), Kahului, HI, Substantial damage. Sunshine helicopters air taxi (1993 aerospatiale AS-350 ba helicopter) landed hard and sustained substantial damage, no injuries were reported to the pilot and…
- [Incident 19990228015659I](https://openairdocs.org/incident/19990228015659I), Feb 28, 1999: Snias AS350BA (N3607P), Kahului, HI, Minor damage. The baggage door popped open in flight and damaged the right side of the aircraft.
- [Accident 19930710022979A](https://openairdocs.org/incident/19930710022979A), Jul 10, 1993: Snias AS350B (N350BA), West Plains, MO, Destroyed. Dropped from hover bounced spun into power line landing. Indicates excessive collective caused RPM loss and impact.
- [Incident 19911210059489I](https://openairdocs.org/incident/19911210059489I), Dec 10, 1991: Snias AS350B (N312B), Lihue, HI, Minor damage. Chip light followed by low oil pressure and fire light. Put out fire on landing. Uncontained engine failure.
- [Accident 19890222002389A](https://openairdocs.org/incident/19890222002389A), Feb 22, 1989: Snias AS350D (N5793P), Spring Valley, NY, Destroyed. Autorotation to power recovery. No power. Impacted. Rolled over. Dne and pilot skill were factors.

## Service difficulty reports (958, newest 50)

As reported by operators and repair stations, by the model named in the report.

- [SDR 2025FA0000754](https://openairdocs.org/sdr/2025FA0000754), Oct 28, 2025: CAPACITOR. BROKEN. DURING ROUTINE FLIGHT OPERATION THERE WAS A SUDDEN DECREASE IN ENGINE POWER AND A RISE IN VIBRATION WAS FELT, SO THE AIRCRAFT MADE A PRECAUTIONARY UNSCHEDULED L
- [SDR 2025FA0000669](https://openairdocs.org/sdr/2025FA0000669), Sep 16, 2025: MODULE. MAKING METAL. AFTER LANDING, THE PILOT IDENTIFIED AN ABNORMAL SOUND FROM THE REAR PORTION OF THE ENGINE. THE PILOT RECORDED A VIDEO TO CAPTURE THE SOUND. AFTER THE ROTOR STOP
- [SDR 2020F00027](https://openairdocs.org/sdr/2020F00027), Sep 13, 2019: PUMP. STRIPPED. LOSS OF HYDRAULIC PRESSURE IN FLIGHT, EMERGENCY LANDING OCCURRED. AFTER INSPECTING HYDRAULIC SYSTEM FOUND HYDRAULIC PUMP SPLINES WORN AND NO LONGER FUNCTIONAL.
- [SDR CA190312016](https://openairdocs.org/sdr/CA190312016), Mar 11, 2019: BEARING. MAKING METAL. (CAN) GEARBOX GENERATING METAL FLAKE. GEARBOX REPAIRED BY ORIGINAL EQUIPMENT MANUFACTURER WITHIN 8 HOURS. GEARBOX REMOVED AND RETURNED TO ORIGINAL EQUIPMENT MAN
- [SDR CA190307005](https://openairdocs.org/sdr/CA190307005), Mar 6, 2019: LEAF SPRING. CRACKED. (CAN) WHILE CREW WAS LOWERING FORWARD BELLY COWLING, INSIDE THE HANGAR, A LOUD BANG OCCURRED AND THE COWLING WAS PULLED OUT OF THEIR HANDS. THE RIGHT HAND ANTI-
- [SDR CA190301007](https://openairdocs.org/sdr/CA190301007), Feb 24, 2019: LINE. CRACKED. (CAN) AIRCRAFT START WAS ATTEMPTED AND ABORTED DUE TO THE ENGINE HANGING DURING START. UPON INVESTIGATION BY AN ENGINEER IT WAS DISCOVERED THAT THE LEFT HAND ST
- [SDR 2019F00099](https://openairdocs.org/sdr/2019F00099), Aug 8, 2018: LINE. RUPTURED. PRIMARY OIL LINE FROM ENGINE RUPTURED SOON AFTER TAKE OFF. PILOT NOTICED OIL PRESSURE LIGHT, AND IMMEDIATLY RETURNED TO BASE. UPON LANDING OIL PRESSURE GAUGE AN
- [SDR 2017F00209](https://openairdocs.org/sdr/2017F00209), Sep 5, 2017: PUMP. FAILED. HYDRAULIC PUMP AND PULLEY SPLINES WORN BEYOND CAUSING, NO HYDRAULIC PRESSURE TO FAIL.
- [SDR ISH2017F00002](https://openairdocs.org/sdr/ISH2017F00002), Apr 10, 2017: BEARING. CRACKED. THE SET OF 3 SPHERICAL BEARINGS WERE FOUND TO BE CRACKED BEYOND LIMITS. THE PARTS WERE INSTALLED IN 2014 BUT ONLY HAD A TOTAL TIME OF 1562.2 HRS. THE PART HAS A
- [SDR ISH2017F00001](https://openairdocs.org/sdr/ISH2017F00001), Apr 10, 2017: BEARING. CRACKED. THE SET OF 3 SPHERICAL BEARINGS WERE FOUND TO BE CRACKED BEYOND LIMITS. THE PARTS WERE INSTALLED IN 2014 BUT ONLY HAD A TOTAL TIME OF 1562.2 HRS. THE PART HAS A
- [SDR ISH2017F00000](https://openairdocs.org/sdr/ISH2017F00000), Apr 10, 2017: BEARING. CRACKED. THE SET OF 3 SPHERICAL BEARINGS WERE FOUND TO BE CRACKED BEYOND LIMITS. THE PARTS WERE INSTALLED IN 2014 BUT ONLY HAD A TOTAL TIME OF 1562.2 HRS. THE PART HAS A
- [SDR CA151105002](https://openairdocs.org/sdr/CA151105002), Nov 4, 2015: O-RING. CUT. (CAN) ACFT HAD A CHIP INDICATION IN FLIGHT, THE PILOTS LANDED AT THE COMPANY BASE. THE ENGINEERS INVESTIGATED AND FOUND MINOR FUZZ ON THE ADC SCAVENGE OIL FILTE
- [SDR CA150925012](https://openairdocs.org/sdr/CA150925012), Sep 22, 2015: HYDRAULIC LINE. LEAKING. (CAN) PILOT NOTICED THE LINE WAS LEAKING AT THE LOWER END, THE ENGINEER ORIGINALLY SUSPECTED THE B-NUT AND TIGHTENED THE LINE. THIS DID NOT STOP THE LEAK SO THE
- [SDR CA150925006](https://openairdocs.org/sdr/CA150925006), Sep 21, 2015: FUEL CONTROL. FAULTY. (CAN) ACFT WAS STARTED FOR A COMPANY FLIGHT. DURING RUN UP CHECKS, THE EOS, ELECTRONIC OVERSPEED SENSOR, CHECK WAS COMPLETED SATISFACTORILY. HOWEVER, UPON RETUR
- [SDR CA150721003](https://openairdocs.org/sdr/CA150721003), Jul 19, 2015: BOLT. LOOSE. (CAN) THE MAST CHIP PLUG, REQUIRED MORE FORCE THEN ORDINARY TO BE PULLED OUT. THE TIP OF THE CHIP PLUG WAS FOUND CHOPPED OFF AND THE INTERNAL MAGNET OF THE CHIP
- [SDR 2014FA0000542](https://openairdocs.org/sdr/2014FA0000542), Sep 22, 2014: CAPACITOR. BROKEN. PILOT NOTICED N1 DROOPING AFTER TAKEOFF, LANDED BACK ON THE PAD, VISUAL INSPECTION OF THE ENGINE WAS PERFORMED, NOTICED THE SMALL CAPACITOR LOOKED SLIGHTLY OFF 
- [SDR CA140808009](https://openairdocs.org/sdr/CA140808009), Aug 6, 2014: ENGINE. POWER LOSS. (CAN) ON DEPARTURE, AT AN ELEVATION OF 900FT AGL PILOT NOTICED LOSS OF POWER AND SUBSEQUENT LOW ROTOR HORN ALARM. PILOT ENTERED AUTO-ROTATION, A/C LANDED WITH M
- [SDR CA140724011](https://openairdocs.org/sdr/CA140724011), Jul 16, 2014: ARMATURE. SHORTED. (CAN) WHILE BUCKETING WATER, PILOT SMELLED ELECTRICAL BURNING AND THE GENERATOR FAIL LIGHT ILLUMINATED, LANDED. NOTICED BURNED GROUND WIRE BETWEEN STARTER GEN A
- [SDR CA140626002](https://openairdocs.org/sdr/CA140626002), Jun 25, 2014: SHAFT. WORN. (CAN) WHEN THE TAIL ROTOR WAS ROTATED CLOCKWISE OR COUNTER CLOCKWISE, A NOISE WAS DETECTED. AFTER INVESTIGATION, IT WAS DISCOVERED THAT A PLAY EXISTED AT THE AS
- [SDR CA140505012](https://openairdocs.org/sdr/CA140505012), May 4, 2014: FUEL CONTROL. MALFUNCTIONED. (CAN) FCU INSTALLED AND ADJUSTED IAW MFG RECOMMENDATIONS DURING GROUND RUNS. LEAK TESTS CARRIED OUT SATISFACTORILY. FLIGHT TESTING CARRIED OUT FOR POST-MAINTENA
- [SDR CA131107007](https://openairdocs.org/sdr/CA131107007), Nov 7, 2013: ROD. CRACKED. (CAN) DURING A VISUAL INSPECTION, A CRACK WAS FOUND AT THE AFT END OF THE TAIL ROTOR ACTUATING ROD, WHERE THE BEARING IS SWAGED.
- [SDR CA131107005](https://openairdocs.org/sdr/CA131107005), Nov 4, 2013: RESERVOIR. CONTAMINATED. (CAN) WATER AND ICE CONTAMINATION WAS FOUND IN THE HYDRAULIC RESERVOIR TAPERED FILTER.
- [SDR CA131107004](https://openairdocs.org/sdr/CA131107004), Nov 4, 2013: RESERVOIR. CONTAMINATED. (CAN) WATER AND ICE CONTAMINATION WAS FOUND IN THE HYDRAULIC RESERVOIR TAPERED FILTER.
- [SDR CA131107009](https://openairdocs.org/sdr/CA131107009), Oct 30, 2013: STARFLEX. CRACKED. (CAN) VISUAL ROUTINE INSPECTION REVEALED CRACK ON ONE STARFLEX END-BUSHING SEALER.
- [SDR CA131007026](https://openairdocs.org/sdr/CA131007026), Oct 2, 2013: POWER SUPPLY. FAILED. (CAN) THE STROBE LIGHT WAS NOTED AS BEING INTERMITTENT BY THE PILOT. UPON INVESTIGATION THE STROBE POWER SUPPLY HAD FAILED INTERNALLY. THE CIRCUIT BOARD APPEARS
- [SDR CA130814002](https://openairdocs.org/sdr/CA130814002), Aug 12, 2013: TRANSMITTER. INTERMITTENT. (CAN) ENGINE OIL PRESSURE GAUGE WAS INTERMITTENT. RESISTANCE CHECK OF TRANSMITTER FOUND IT TO BE OPEN CIRCUIT. REMOVED TRANSMITTER CASE TO FIND THAT INTERNAL WI
- [SDR CA130624004](https://openairdocs.org/sdr/CA130624004), Jun 21, 2013: MODULATOR. CRACKED. (CAN) WHILE PERFORMING A 100 HRS INSPECTION, IT WAS NOTICED THAT THE BOTTOM ATTACHMENT ARM ON THE AIRFLOW MODULATOR WAS CRACKED. ONCE THE UNIT WAS REMOVED, THE 
- [SDR CA130621004](https://openairdocs.org/sdr/CA130621004), Jun 20, 2013: WIRE HARNESS. CHAFED. (CAN) ENGINE POWER TURBINE MODULE INDICATING HARNESS WAS FOUND WORN BEYOND REPAIR DUE TO CHAFING AGAINST THE FDC/AEROFILTER INLET HOUSING. THERE WERE NO REPORTS
- [SDR CA130318024](https://openairdocs.org/sdr/CA130318024), Mar 15, 2013: SERVO. CONTAMINATED. (CAN) THE OPERATION HAD TO CONDUCT PILOT TRAINING WITH ACFT WHICH WAS PARKED OUTDOORS FOR THE LAST 4 DAYS. AFTER THE START WAS COMPLETED THE PILOT IN COMMAND FO
- [SDR CA130318022](https://openairdocs.org/sdr/CA130318022), Mar 15, 2013: SERVO. MALFUNCTIONED. (CAN) THE OPERATION HAD TO CONDUCT PILOT TRAINING, WHICH WAS PARKED OUTDOOR FOR THE LAST 4 DAYS. AFTER THE START WAS COMPLETED THE PILOT IN COMMAND FOUND THAT T
- [SDR CA130306004](https://openairdocs.org/sdr/CA130306004), Mar 4, 2013: FUEL CONTROL. DISCONNECTED. (CAN) FUEL LEVER WAS DISCONNECTED AT LINKAGE. LEVER POSITIONED IN OPEN POSITION DURING RIGGING REQUIREMENTS. LINKAGE RECONNECTED. AT NO TIME WAS THE FUEL SYSTEM
- [SDR CA130131004](https://openairdocs.org/sdr/CA130131004), Jan 25, 2013: IDLER GEAR. UNSECURE. (CAN) DURING THE SCHEDULED 1800 HRS INSPECTION, THE 8 BOLTS ON THE TORQUE IDLER GEAR WERE FOUND LOOSE. THE GEAR ASSY AS TO BE REMOVED AND SENT FOR DETAILED INSP
- [SDR CA130205002](https://openairdocs.org/sdr/CA130205002), Jan 19, 2013: IDLER GEAR. DAMAGED. (CAN) IN FLIGHT OPERATION INDICATION OF FIRST POSSIBLE LOW TORQUE AND THEN ENGINE CHIP AND OIL FILTER CHIP, FOLLOWED BY AS SOON AS POSSIBLE LANDING. 01-19-2013 
- [SDR CA121102002](https://openairdocs.org/sdr/CA121102002), Nov 1, 2012: SERVO. FROZEN. (CAN) AFTER DEPARTING AIRPORT ON A LOCAL FLIGHT TO THE FORESTRY PAD, PARTIAL CONTROL LOSS WAS EXPERIENCED. THE FORWARD CYCLIC MOVEMENT WAS IMPEDED AND IT WAS NO
- [SDR CA120926010](https://openairdocs.org/sdr/CA120926010), Sep 21, 2012: BOLT. SHEARED. (CAN) WHILE CONDUCTING A 600 HR DETAILED CHECK OF THE M/R HEAD AND M/R HEAD STARFLEX. REPLACEMENT 1 OF THE M/R ATTACH BOLTS WAS FOUND SHEARED AND CORRODED. BOLT
- [SDR CA120622003](https://openairdocs.org/sdr/CA120622003), Jun 20, 2012: BUSHING. WORN. (CAN) WHEN THE TAIL ROTOR BLADES WERE REMOVED FOR SCHEDULED MX. THE CONTROL SPIDER ASSEMBLY WAS FOUND TO BE MOVING LOOSELY ON THE SHAFT. AFTER FURTHER INVESTIGA
- [SDR CA120523011](https://openairdocs.org/sdr/CA120523011), May 14, 2012: BEARING. LEAKING. (CAN) EXCESSIVE GREASE LEAKAGE FROM MAIN ROTOR SWASHPLATE BEARING FOUND AT ALF AFTER LAST FLIGHT, INSPECTION. SWASHPLATE CHECK FOR OVERTEMP, NO ABNORMAL TEMPERA
- [SDR QMLA2012050512073](https://openairdocs.org/sdr/QMLA2012050512073), May 5, 2012: UNKNOWN. UNKNOWN. AFTER DEPARTING, LEVELED OFF AT 1500 MSL, ENGINE TEMPERATURE APPROXIMATELY 600 DEGREES, ROTOR & ENGINE IN GREEN RANGE. HEARD A LOUD BANG FOLLOWED BY AN IMMEDIAT
- [SDR QMLA2012041612061](https://openairdocs.org/sdr/QMLA2012041612061), Apr 16, 2012: BLEED VALVE. FAILED. IN CRUISE, AT APPROX 78 PERCENT TORQUE, 110 KIAS, AND 2000 FT MSL, EXPERIENCED A VERY LOUD NOISE & HARD JERK IN YAW AXIS OF AT LEAST 45 DEGREES TO RT. REPLACED 
- [SDR CA120403001](https://openairdocs.org/sdr/CA120403001), Mar 31, 2012: MAGNETIC SEAL. LEAKING. (CAN) LEAK DISCOVERED DURING ALF INSPECTION, ENGINE DECK COVERED WITH ENGINE OIL, COMING FROM REAR OF ENGINE, MODULE 5 MAG SEAL. OIL CONSUMPTION STILL WITHIN LI
- [SDR CA120322001](https://openairdocs.org/sdr/CA120322001), Mar 19, 2012: PUMP. FAILED. (CAN) AFTER SUCCESSFUL GROUND TEST OF ACCUMULATORS AT 70 PERCENT NG, AND ENGINE BROUGHT UP TO FLIGHT IDLE, HORN AND LOW HYDRAULIC PRESSURE LIGHT ILLUMINATED AND
- [SDR CA120314004](https://openairdocs.org/sdr/CA120314004), Mar 11, 2012: SERVO. LEAKING. (CAN) AFTER A FLIGHT, DURING THE ALF CHECK, THE PILOT DISCOVERS PRESENCE OF HYDRAULIC FLUID AROUND THE LT MAIN ROTOR SERVO. AFTER CLEANING, IT IS DISCOVERED DUR
- [SDR CA120227017](https://openairdocs.org/sdr/CA120227017), Feb 21, 2012: O-RING. DAMAGED. (CAN) 4TH EVENT WHERE THE INTERNAL O-RING FROM THE CHIP PLUG HOUSING IS DAMAGED AND FLOW OF ENGINE OIL LEAKING FROM CHIP PLUG ASSY. O-RING WAS REPLACED AND ACFT
- [SDR CA120127002](https://openairdocs.org/sdr/CA120127002), Jan 24, 2012: PICKUP. FAILED. (CAN) NG INDICATION STARTED TO FLUCTUATE IN FLIGHT, WITH NO REAL FLUCTUATION OF ENGINE SPEED. AFTER LANDING, INVESTIGATION SHOWS THAT PICK-UP RESISTANCE VARIES 
- [SDR CA120125019](https://openairdocs.org/sdr/CA120125019), Dec 22, 2011: BOLT. SHEARED. (CAN) DURING A FERRY FLIGHT THE PIC HAD A WARNING INDICATION FOR ENGINE CHIPS. PIC LANDED THE ACFT, CLOSEST LANDING POSSIBLE, FOR FURTHER INVESTIGATION. AFTER I
- [SDR CA111209009](https://openairdocs.org/sdr/CA111209009), Dec 7, 2011: LONGERON. CRACKED. (CAN) NOISE WAS HEARD BY ENGINEER DURING MX WHILE MOVING CYCLIC FROM SIDE TO SIDE. AFTER THE BELLY SKIN WAS REMOVED A 5 INCH CRACK WAS FOUND IN ONE OF THE MAIN 
- [SDR CA111031002](https://openairdocs.org/sdr/CA111031002), Oct 31, 2011: SKIN. CRACKED. (CAN) DURING SCHEDULED 12 YEARS INSPECTION, A CRACK WAS FOUND ON VERTICAL STABILIZER T/E SKIN. A SMALL PORTION STARTED TO EMERGE (.50" LONG) BUT AFTER DISASSEMB
- [SDR QMLA2011100311096](https://openairdocs.org/sdr/QMLA2011100311096), Oct 3, 2011: FUEL SYS. LEAKING. THE PILOT AND MEDICAL CREW SMELLED FUEL IN THE CABIN SHORTLY AFTER TAKEOFF. THE ODOR APPEARED TO BE MORE SIGNIFICANT IN THE AFT CABIN AREA. THE PILOT IMMEDIATEL
- [SDR 2011FA0000651](https://openairdocs.org/sdr/2011FA0000651), Sep 26, 2011: DAMPER. CRACKED. PART FOUND CRACKED AT INSPECTION. CRACK RUNS ALONG WITH METAL GRAIN ALONG THE INBD SECTION NEXT TO WELDED NIPPLE. FAILURE OF THIS PART WILL CAUSE ENGINE FAILURE
- [SDR CA110926004](https://openairdocs.org/sdr/CA110926004), Sep 23, 2011: MODULATOR. UNSERVICEABLE. (CAN) PILOT REPORTED INCREASE IN COMPRESSOR SPEED AND DROP IN ROTOR RPM ON APPROACH. PILOT MANAGED TO LAND WITHOUT INCIDENT. MAINTENANCE PERSONNEL FOUND THE AIR

All 958: https://openairdocs.org/model/aerospatiale-as350ba/reports.md

## STCs that may be installed (OpenAirDocs) (417, first 50)

Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC 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 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 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 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 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 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
- [STC SR00182IB](https://openairdocs.org/stc/SR00182IB): Installation of the Avidyne Integrated Flight Display (IFD) Navigator(s). Horizon Design Services Ltd
- [STC SR02345LA](https://openairdocs.org/stc/SR02345LA): Installation of HeliSAS stability augmentation system and autopilot. S-TEC Corporation
- [STC SR04637CH](https://openairdocs.org/stc/SR04637CH): Replacement of existing main ship battery with Lithium Ion Battery and installation of Annunciator Control Panel. Airwolf Aerospace LLC
- [STC SR00059DE](https://openairdocs.org/stc/SR00059DE): Installation of infrared imaging system. Dart Aerospace Company
- [STC SR04138NY](https://openairdocs.org/stc/SR04138NY): Installation of Replacement Heater Lines. Boost Human External Cargo Systems Inc

All 417: https://openairdocs.org/model/aerospatiale-as350ba/stcs.md

## The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

- [Eurocopter AS 350 BA](https://openairdocs.org/model/eurocopter-as-350-ba): 13 registered aircraft, registry code 8680955
- [Airbus Helicopters AS350BA](https://openairdocs.org/model/airbus-helicopters-as350ba): 2 registered aircraft, registry code 8680766
- [Eurocopter France AS350BA](https://openairdocs.org/model/eurocopter-france-as350ba): 2 registered aircraft, registry code 868097A
- [S N I A S AS350BA](https://openairdocs.org/model/s-n-i-a-s-as350ba): 1 registered aircraft, registry code 8680957

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