NTSB investigations: Eurocopter AS 350 B3, AK

10 cases on aircraft the registry lists as Eurocopter AS 350 B3. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.

Cases per year

20002026
NTSB investigations: Eurocopter AS 350 B3, AK per year, 2000–2026: 10 cases
20001
20061
20131
20141
20171
20181
20201
20211
20231
20251

Latest cases

Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
  FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c.\"mKey\" AND a.position = 1
  WHERE c.\"eventStateOrRegion\" = 'AK' AND c.\"eventCountry\" = 'USA'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('8680954'))
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

NTSB ANC25LA097Accident · No injuriesClass 4 · LimitedFinal reportAirbus Helicopters AS350B3e · Skwentna, AKThe pilot’s inadvertent entanglement of a lightweight Kevlar long line into the helicopters operating main rotor system, resulting in a severe imbalance and separation of the main rotor gearbox.Aug 20, 2025 · N589SH · Substantial damageNTSB ANC23LA085Accident · Serious injuriesClass 4 · LimitedFinal reportEurocopter AS 350 B3 · Johnson River, AKThe ground crew’s failure to remain clear of a tag line during sling load operations, resulting in his entanglement.Sep 16, 2023 · N297SH · No damageNTSB WPR21FA143Accident · 5 fatalClass 3 · FieldFinal reportAirbus Helicopters AS350-B3 · Palmer, AKThe pilot’s failure to adequately respond to an encounter with whiteout conditions, which resulted in the helicopter’s collision with terrain. Contributing to the accident was the (1) operator’s inadequate pilot training program and pilot competency checks,…Mar 28, 2021 · N351SH · Substantial damageNTSB ANC20LA089Accident · No injuriesClass 3 · LimitedFinal reportEurocopter AS 350 · Fort Greely, AKFailure of the door lock due to interference between the door and a cargo box.Sep 6, 2020 · N354PA · Substantial damageNTSB ANC18CA056Accident · Minor injuriesClass 4 · Data collectionFinal reportEurocopter AS 350 B3 · Kobuk, AKThe pilot's inadvertent dynamic rollover during takeoff.Jul 25, 2018 · N354LA · Substantial damageNTSB ANC17CA041Accident · No injuriesData collectionFinal reportAirbus AS350 · Delta Junction, AKThe pilot’s failure to maintain clearance from a steel frame attached to a tracked drilling unit. Contributing to the accident was the pilot’s failure to visually identify the steel frame during the reconnaissance process.Aug 3, 2017 · N351SH · Substantial damageNTSB ANC14LA041Accident · No injuriesClass 3 · LimitedFinal reportAirbus/Eurocopter AS 350 B3 · Anchorage, AKThe pilot’s improper engine start procedure, which resulted in an overspeed of the engine and main rotor drive system.Jun 11, 2014 · N356EV · Substantial damageNTSB ANC13GA036Accident · 3 fatalClass 1Final reportEurocopter AS350 · Talkeetna, AKThe pilot's decision to continue flight under visual flight rules into deteriorating weather conditions, which resulted in the pilot's spatial disorientation and loss of control. Also causal was the Alaska Department of Public Safety's punitive culture and…Mar 31, 2013 · N911AA · DestroyedNTSB ANC06TA047Accident · No injuriesFinal reportAmerican Eurocopter AS350 B3 · Nikiski, AKThe pilot's failure to maintain adequate altitude/clearance from terrain during an aborted takeoff in whiteout conditions, which resulted in an in-flight collision with terrain. A factor associated with the accident was whiteout conditions.Apr 21, 2006 · N911AA · Substantial damageNTSB ANC00LA132Accident · No injuriesLimited investigationFinal reportEurocopter AS-350B-3 · Ketchikan, AKThe pilot's inadvertent activation of the collective flight stop/emergency fuel augmentation switch, which resulted in engine and main rotor overspeeds, thereby precipitating failures of the tail rotor drive shaft coupling and power turbine blades. A factor…Sep 23, 2000 · N405AE · Substantial damage