# Eurocopter AS350B

- Type: Aircraft model (FAA registry)
- Registry code: 8680942
- Manufacturer (registry): EUROCOPTER
- Model: AS350B
- 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: 1
- Page: https://openairdocs.org/model/eurocopter-as350b

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 2012-17-03](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 2011-11-04](https://openairdocs.org/ad/2011-11-04): Contaminated Gas · Airbus Helicopters AS355E, AS355F, AS355F1 and 12 more. Effective Jun 17, 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
- [AD 82-13-05 R1](https://openairdocs.org/ad/82-13-05-R1) (historical): Upper Vertical Fin · Eurocopter France AS-350B, AS-350C, AS-350D and 3 more. Effective Mar 1, 1983
- [AD 82-20-05](https://openairdocs.org/ad/82-20-05) (historical): Tail Rotor Drive Shaft · Airbus Helicopters AS-350B, AS-350C, AS-350D and 3 more. Effective Oct 15, 1982

All 118: https://openairdocs.org/model/eurocopter-as350b/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-07-22R1](https://openairdocs.org/saib/SW-07-22R1): Serrated lock washers. Issued Apr 3, 2007
- [SAIB SW-04-35](https://openairdocs.org/saib/SW-04-35): . Issued Dec 19, 2003

## Registered aircraft (1)

- [N212CM](https://openairdocs.org/aircraft/N212CM): [Aerospace Trust Management LLC Trustee](https://openairdocs.org/faa-owner/AEROSPACE%20TRUST%20MANAGEMENT%20LLC%20TRUSTEE), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), S/N 2232

## NTSB investigations

None matched to aircraft with this model.

## FAA accident and incident reports

None matched to aircraft with this model.

## Service difficulty reports (626, newest 50)

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

- [SDR 2026FA0000055](https://openairdocs.org/sdr/2026FA0000055), Jan 21, 2026: METER. INOPERATIVE. HOBBS METER STOP WORKING.
- [SDR JBZA20190305001](https://openairdocs.org/sdr/JBZA20190305001), Mar 1, 2019: STARTER GEN. FAILED. CREW DETECTED A STRONG ELECTRICAL BURNING SMELL DURING FLIGHT BACK TO BASE. NO SMOKE MADE A PRECAUTIONARY LANDING AT KCIC.
- [SDR 2017F00021](https://openairdocs.org/sdr/2017F00021), Feb 4, 2017: AIR FILTER. SATURATED. APPROXIMATELY 25 MINUTES AFTER TAKEOFF, THE MED CREW NOTICED SMOKE IN THE CABIN. THEY WERE UNAIDED AT THE TIME AND COULD SEE A LIGHT SMOKE BETWEEN THEM & THE LI
- [SDR CA150428010](https://openairdocs.org/sdr/CA150428010), Apr 22, 2015: EXHAUST STACK. LOOSE. (CAN) RETENTION CABLE FOUND BROKEN ON EXHAUST STACK. FLIGHT WITH BROKEN RETENTION CABLE NOT PERMITTED IAW EASA AD 2012-0022. INVESTIGATION FOUND STACK NOT MFG T
- [SDR CA140319006](https://openairdocs.org/sdr/CA140319006), Mar 18, 2014: CONTROL LEVER. MALFUNCTIONED. (CAN) DURING ALF, AFTER LAST FLIGHT, CHECK, THE TAIL ROTOR CONTROL PITCH LEVER LOWER BUSHING WAS FOUND LOOSE. THIS WAS NOTICED BY EXCESSIVE TWISTING/ROCKING MOV
- [SDR CA130916012](https://openairdocs.org/sdr/CA130916012), Aug 27, 2013: PUMP. FAILED. (CAN) DURING FLIGHT THE PILOT NOTED LOW FUEL PRESSURE INDICATION. AS IS NORMAL PROCEDURE IN THIS CASE, THE PILOT LOCATED A SUITABLE LANDING SITE AND LANDED THE 
- [SDR CA130826008](https://openairdocs.org/sdr/CA130826008), Aug 26, 2013: LOCK PLATE. CRACKED. (CAN) LOWER BEARING LOCK PLATE FOUND CRACKED AND DISLODGED, JAMMING INTO SHAFT SPLINES. 1 LOOP OF LOCKWIRE, NON-O/H SHOP, MISSING AT LOCKING FEATURE LOCATION.
- [SDR QMLA2013071713101](https://openairdocs.org/sdr/QMLA2013071713101), Jul 17, 2013: UNKNOWN. SMOKE. DURING FLIGHT, WITH FAN SWITCH ON, SMOKE CAME OUT OF VENT ON TOP OF GLARESHIELD. WHEN FAN WAS TURNED OFF THE SMOKE STOPPED. REMOVED AND INSTALLED INSTRUMENT PAN
- [SDR CA120217008](https://openairdocs.org/sdr/CA120217008), Feb 13, 2012: FCU. MALFUNCTIONED. (CAN) THE PILOT REPORTED DIFFICULTIES RELATING TO HUNG OR HOT STARTS, IN ADDITION TO ROTOR SPEED PROBLEMS. DURING AN INSPECTION AT THE END OF THE DAY, AIR WAS F
- [SDR CA120207003](https://openairdocs.org/sdr/CA120207003), Feb 7, 2012: BRACKET. DETACHED. (CAN) VERTICAL STABILIZER ASSY,UPPER WAS INSPECTED DURING A 600 HRS SCHEDULED INSPECTION AND FOUND THAT THE INTERNAL WIRING HARNESS TUBE HOLDER STEEL BRACKET WA
- [SDR CA120116005](https://openairdocs.org/sdr/CA120116005), Jan 16, 2012: SPRING. CORRODED. (CAN) DURING A 600 HRS INSPECTION, THE COLLECTIVE SPRING ROD ANTICIPATOR WAS FOUND HARD TO OPERATED DUE TO INTERNAL CORROSION.
- [SDR CA111215001](https://openairdocs.org/sdr/CA111215001), Dec 13, 2011: TRANSMITTER. LEAKING. (CAN) DURING CHECK AFTER THE LAST FLIGHT OF THE DAY, PRESENCE OF FUEL IS NOTED ON THE LT SIDE OF THE TRANSMISSION DECK. AFTER INVESTIGATION WITH BOOST PUMPS ON,
- [SDR CA110831007](https://openairdocs.org/sdr/CA110831007), Aug 17, 2011: CABLE. DISCONNECTED. (CAN) THE FUEL CONTROL CABLE END (KNOWN AS THE "END EQUIPPED") INADVERTENTLY BECAME DISCONNECTED FROM THE BALL JOINT ON THE FUEL CONTROL ARM . THE SAFETY MECHAN
- [SDR CA110729008](https://openairdocs.org/sdr/CA110729008), Jul 27, 2011: BRACKET. CRACKED. STEP BRACKET FOUND CRACKED DURING LAST FLIGHT CHECK. PART FROM STC SH09-38. PART REPLACED BY A NEW ONE AND SENT BACK TO MFG FOR INVESTIGATION.
- [SDR CA110329005](https://openairdocs.org/sdr/CA110329005), Mar 28, 2011: DIODE. FAILED. ACTIVATING THE MASTER CUT OFF SWITCH WILL CAUSE BATTERY FUSE WOULD BLOW CAUSING A LOST OF NR AND T4 INDICATION.
- [SDR CA101015005](https://openairdocs.org/sdr/CA101015005), Oct 14, 2010: TRANSDUCER. UNSERVICEABLE. (CAN) UPON POWER REDUCTION ON APPROACH THE ENGINE OIL PRESSURE WAS OBSERVED TO FALL TO ZERO. WHEN POWER WAS APPLIED TO FLARE THE INDICATION RETURNED TO NORMAL. 
- [SDR 2009FA0000906](https://openairdocs.org/sdr/2009FA0000906), Sep 22, 2009: ELECTRICAL BOX. INTERMITTENT. 25 AMP C/B ON INTEGRATED FLIGHT SYS ELECTRICAL BOX WAS INTERMITTENTLY POPPING. FOUND POOR WIRE ROUTING INSIDE THE BOX (DONE AT TIME OF MFG) CAUSING WIRE TO WEAR
- [SDR 2009FA0000519](https://openairdocs.org/sdr/2009FA0000519), Jun 4, 2009: ELT. FAILED. ELT MALFUNCTIONED IN FLIGHT. UPON RETURN TO BASE, WE RESET THE UNIT, PERFORMED A FUNCTION CHECK. WE TOOK THE AIRCRAFT FOR A FLIGHT AND IT FAILED IN FLIGHT AGAIN
- [SDR CA090318001](https://openairdocs.org/sdr/CA090318001), Mar 17, 2009: ENGINE. FOD. (CAN) PILOT WAS TAKING OFF FROM BASE, REPORTED HEARING ODD WHINING FROM ENGINE DURING TAKEOFF AND POWER CHANGES, ABORTED TAKEOFF AND RETURNED TO STAGING. OPENED
- [SDR 2009FA0000302](https://openairdocs.org/sdr/2009FA0000302), Mar 16, 2009: TEE FITTING. LOOSE. HOSE NUT WOULD TORQUE DOWN BUT LINE WAS STILL LOOSE AND LEAKED. A LINE REMOVE FROM ANOTHER HELICOPTER WORKED FINE. NEW LINES INSTALLED AND LINE THAT WAS INSTALL
- [SDR CA090315001](https://openairdocs.org/sdr/CA090315001), Mar 2, 2009: STRUCTURE. CORRODED. (CAN) UPON ROUTINE INSP, IT WAS FOUND THAT THE RT CABIN RESONATOR STRUCTURE WAS CORRODED AT THE INNER ATTACHMENT FLANGE TO THE POINT THAT BUCKLING OF THE OUTER 
- [SDR CA090227011](https://openairdocs.org/sdr/CA090227011), Feb 23, 2009: CONE. SEPARATED. (CAN) A/C WAS IN CRUISE AT 5000 FT WHEN A LOUD POP WAS HEARD ACCOMPANIED BY A SINGLE TORQUE OSCILLATION. PILOT REDUCED HIS POWER TO LAND. A BURNING OIL ODOR WAS
- [SDR CA090127011](https://openairdocs.org/sdr/CA090127011), Jan 23, 2009: BRACKET. CRACKED. ENGINE HIGH PRESSURE FUEL FILTER BRACKET, TOP HOLE CRACKING DUE TO HARMONIC VIBRATION, KNOWN PROBLEM.
- [SDR CA090127012](https://openairdocs.org/sdr/CA090127012), Jan 21, 2009: BRACKET. CRACKED. ENGINE HIGH PRESSURE FUEL FILTER BRACKET, CRACKING AT TOP BOLT HOLE DUE TO HARMONIC VIBRATION, KNOWN PROBLEM.
- [SDR CA081119003](https://openairdocs.org/sdr/CA081119003), Nov 18, 2008: BEARING. BLOCKED. (CAN) OIL WAS COMING OUT OF TURBINE EXHAUST AND M03 BEARING VENT TUBE ON START UP. DISASSEMBLED THE ENGINE AND FOUND M03 REAR BEARING CAKED WITH BURNED OIL. M03
- [SDR CA080115009](https://openairdocs.org/sdr/CA080115009), Jan 10, 2008: GROUND WIRE. FAILED. (CAN) IN THE PROCESS OF DOING RECURRENT TRAINING FLIGHT. AFTER SEVERAL SIMULATED HYD FAILURES IN AND OUT OF GROUD EFFECT HOVER, PROCEEDED TO PRACTICE THE SIMULA
- [SDR CA080104003](https://openairdocs.org/sdr/CA080104003), Dec 31, 2007: TRIM TAB. UNSERVICEABLE. (CAN) WHILE PERFORMING A BRIDGING INSPECTION ON AN A/C PREVIOUSLY LEASED TO A DIFFERENT COMPANY, AD 2007-0138-E WAS BEING C/O. SECTION OF MISSING PAINT NOTED ON
- [SDR CA070118011](https://openairdocs.org/sdr/CA070118011), Jan 4, 2007: SERVO. UNSERVICEABLE. (CAN) DURING HYDRAULIC PRE-FLIGHT CHECK CAUSED CYCLIC TO MOVE 4-5 INCHES TOWARDS 8 O’CLOCK POSITION. SERVO REMOVED SERVICEABLE UNIT INSTALLED. SERVO SENT OUT FO
- [SDR LBG2007F00001](https://openairdocs.org/sdr/LBG2007F00001), Dec 19, 2006: WIRE HARNESS. CHAFED. ON A TOUR FLIGHT THE PILOT LOST GENERATOR OUTPUT. HE TURNED AROUND AND MADE A SAFE LANDING AT THE AIRPORT. THE GENERATOR WIRES WERE RUBBING ON THE CARBON FIBER 
- [SDR LBG2007F00000](https://openairdocs.org/sdr/LBG2007F00000), Dec 19, 2006: WIRE HARNESS. CHAFED. ON A TOUR FLIGHT, THE PILOT LOST GENERATOR OUTPUT. TURNED AROUND AND MADE A SAFE LANDING AT THE AIRPORT. THE GENERATOR WIRES WERE RUBBING ON THE CARBON FIBER EN
- [SDR 2006FA0000496](https://openairdocs.org/sdr/2006FA0000496), May 5, 2006: BLADE. CRACKED. CRACK FOUND ON LOWER SURFACE OF MAIN ROTOR BLADE NEAR STATION 1000. EXACT CAUSE OF CRACK WOULD ONLY BE SPECULATIVE. (K)
- [SDR KBM2005F00351](https://openairdocs.org/sdr/KBM2005F00351), Nov 25, 2005: BATTERY. INOPERATIVE. UNIT STARTS SLOW. REMOVED AND REPLACED BATTERY. (K)
- [SDR CA051128012](https://openairdocs.org/sdr/CA051128012), Oct 28, 2005: TRANSMITTER. UNSERVICEABLE. A RESISTANCE CHECK OF THE TRANSMITTER WAS CARRIED OUT. IT REVEALED AN OPEN CIRCUIT. TX ORDERED AOG. PREVIOUS LOG ENTRY REVEALED THIS TRANSMITTER WAS JUST INSTAL
- [SDR CA050919007](https://openairdocs.org/sdr/CA050919007), Sep 14, 2005: SHOCK ABSORBER. CRACKED. (CAN) REMOVED FROM AIRCRAFT FOR MANUFACTURER 2500 HOUR INSPECTION AND 2 COILS OF THE SAME PN WERE FOUND TO BE CRACKED.
- [SDR CA050819005](https://openairdocs.org/sdr/CA050819005), Aug 19, 2005: IGNITER. DAMAGED. (CAN) INSULATION TIP LOOSE. HASN'T FALLEN OUT YET. ANOTHER OPERATOR HAS HAD TWO OCCURANCE'S WERE THE CERAMIC INSULATOR CAME RIGHT OUT.
- [SDR CA050819004](https://openairdocs.org/sdr/CA050819004), Aug 19, 2005: IGNITER. DAMAGED. (CAN) INSULATION TIP LOOSE. HASN'T FALLEN OUT YET. ANOTHER OPERATOR HAS HAD TWO OCCURANCE'S WHERE THE CERAMIC INSULATOR CAME RIGHT OUT.
- [SDR HXSA0508001](https://openairdocs.org/sdr/HXSA0508001), Jul 25, 2005: TURBINE WHEEL. FAILED. AS-350 CRASHED IN BOGGY TERRAIN WHILE DEPARTING JUNEAU AIRPORT. AIRCRAFT HAD SUBSTANTIAL DAMAGE. IT APPEARS THAT AFTER TAKEOFF THE TURBINE BLADE OR BLADES CAME 
- [SDR CA050417006](https://openairdocs.org/sdr/CA050417006), Apr 14, 2005: IGNITER. DAMAGED. (CAN) CENTER CERAMIC MISSING, BOROSCOPE OF ENGINE FOUND NO DAMAGE, IGNITER REPLACED.
- [SDR CA050215009](https://openairdocs.org/sdr/CA050215009), Jan 13, 2005: SWITCH. DEFECTIVE. (CAN) PILOT COULD NOT TURN HYD OFF DURING FLIGHT BY PRESSING BUTTON ON COLLECTIVE STICK. TROUBLESHOOTING DETERMINE THE SWITCH WAS DEFECTIVE AND NOT SUPPLYING VO
- [SDR CA041209005](https://openairdocs.org/sdr/CA041209005), Dec 8, 2004: SERVO. MALFUNCTIONED. (CAN) PILOT REPORTED THAT CYCLIC WAS STIFF WHEN MOVED TO LEFT AND IT WANTED TO MOVE RIGHT WHEN COLLECTIVE LOWERED (NO PROBLEMS WHEN COLLECTIVE WAS RAISED). LEFT
- [SDR VY12008F00000](https://openairdocs.org/sdr/VY12008F00000), Nov 9, 2004: GEARBOX. DESTROYED. PERFORMED A PRELIMINARY REVIEW OF THE SERVICE HISTORY OF THE GEARBOX THAT WAS RECEIVED FOR OVERHAUL. IT WAS DETERMINED THAT THE GEARBOX WAS INVOLVED IN AN ACCID
- [SDR CA041105006](https://openairdocs.org/sdr/CA041105006), Oct 29, 2004: FUEL CONTROL. FAILED. (CAN) ON P2 CHAMBER INSPECTION AND CLEANING OF FCU. WHEN BELLOWS WERE REMOVED WE FOUNDTHAT THE PIN THAT HOLDS THE METERING VALVE IN PLACE WAS BROKEN OFF AND HAL
- [SDR CA041110016](https://openairdocs.org/sdr/CA041110016), Oct 28, 2004: SERVO. MALFUNCTIONED. WHEN HYDRAULIC POWER IS RE-ESTABLISHED AFTER DOING HYDRAULIC ACCUMULATOR PREFLIGHT CHECK, THE CYCLIC STICK WOULD GO HARD LEFT, BUT WAS ABLE TO BE OVERCOME AND W
- [SDR CA040916007](https://openairdocs.org/sdr/CA040916007), Sep 3, 2004: SWITCH. MALFUNCTIONED. SHORTLY AFTER T/O, WARNING HORN & NOTICED 'HYD CAUTION LIGHT' ON. A FEW SECONDS LATER, ERRATIC CYC MOVEMENT FELT. RETURNED & LANDED W/O INCIDENT. MX INSPECT DID
- [SDR CA041022003](https://openairdocs.org/sdr/CA041022003), Aug 1, 2004: TURBINE WHEEL. UNSERVICEABLE. (CAN) DURING A SCHEDULED CHECK OF THE SECOND STAGE TURBINE BLADES (T2 ) IAW TURBOMECA ASB 292-72-0807 AND AD2004-047 IT WAS DETERMINE THE BLADE SHIFT HAD FAILED
- [SDR CA040805011](https://openairdocs.org/sdr/CA040805011), Aug 1, 2004: CASTING. CRACKED. (CAN) CRACK FOUND ON WEB CASTING DURING A 100 HOUR INSPECTION. (BUTTERFLY) PLATE VERY LOOSE (WORN OUT END BUSHINGS).
- [SDR CA040805013](https://openairdocs.org/sdr/CA040805013), Jul 27, 2004: RELAY. FAULTY. (CAN) WHEN START BUTTON PRESSED THE STARTER RELAY WOULD ONLY CHATTER. TROUBLESHOOTING DETERMINED A FAULTY RELAY 23K. PRINTED CIRCUIT BOARD REPLACED.
- [SDR CA040803006](https://openairdocs.org/sdr/CA040803006), Jul 24, 2004: BATTERY. UNSERVICEABLE. (CAN) A/C BATTERY IS WEAK. IT WILL NOT START THE A/C TWICE WITHIN 5 MINUTES. BATTERY HAS ONLY AVERAGED 115 HOURS OF LIFE IN THE LAST 6 INSTALL
- [SDR CA040803004](https://openairdocs.org/sdr/CA040803004), Jul 13, 2004: ENGINE. FAILED. (CAN) ENGINE START CYCLE INCONSISTANT AFTER OVERHAUL. MANY FUEL SYSTEM COMPONENTS CHANGED WITH NO CONSISTANT RESULTS.
- [SDR HXS2004F2004A](https://openairdocs.org/sdr/HXS2004F2004A), Jul 5, 2004: COMPRESSOR. FOD. ENGINE WAS FOUND TO HAVE INGESTED A ROCK THROUGH THE INTAKE AND DAMAGED TO INLET COMPRESSOR. FOD DAMAGE. THIS ENGINE IS TO BE SENT FOR EVALUATION AND REPAIR.

All 626: https://openairdocs.org/model/eurocopter-as350b/reports.md

## STCs that may be installed (OpenAirDocs) (477, 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 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
- [STC SH2506SO](https://openairdocs.org/stc/SH2506SO): Installation of a camera mount and photographer's seat. Ephraim Nowak
- [STC SR00046DE](https://openairdocs.org/stc/SR00046DE): Installation of external pod and camera mount. Dart Aerospace USA Inc
- [STC SR00155IB](https://openairdocs.org/stc/SR00155IB): Installation of Video transmission System, to include a cabin rack, a cabin display mount and two antenna holders on landing skids. PROTOPLANE SPECIAL MISSION AIRCRAFT

All 477: https://openairdocs.org/model/eurocopter-as350b/stcs.md

## The same model under other registry codes

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

- [Aerospatiale AS350B](https://openairdocs.org/model/aerospatiale-as350b): 13 registered aircraft, registry code 8680800
- [S N I A S AS-350B ECUREUIL](https://openairdocs.org/model/s-n-i-a-s-as-350b-ecureuil): 5 registered aircraft, registry code 8680801
- [Eurocopter France AS350B](https://openairdocs.org/model/eurocopter-france-as350b): 1 registered aircraft, registry code 8680961
- [Aerospatiale AS350B ECUREUIL](https://openairdocs.org/model/aerospatiale-as350b-ecureuil): 0 registered aircraft, registry code 8680819

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