# NTSB investigations: Eurocopter AS 350 B3: Hard landing

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB ERA26LA026](https://openairdocs.org/ntsb/ERA26LA026.md): Eurocopter AS350 · Wetumpka, AL · Accident · No injuries · Class 4 · Limited · Final report · Oct 23, 2025 · N545HF · Substantial damage
  > The pilot’s improper recovery from a practice autorotation, which resulted in a hard landing. Contributing to the accident was the flight instructor’s inadequate supervision of the pilot receiving instruction.
- [NTSB ERA21LA390](https://openairdocs.org/ntsb/ERA21LA390.md): Eurocopter AS 350 B3 · Kinston, NC · Accident · No injuries · Class 4 · Limited · Final report · Sep 29, 2021 · N370NC · Substantial damage
  > The buckling of the tail boom as a result of a hard landing event of undetermined time and location.
- [NTSB GAA18CA070](https://openairdocs.org/ntsb/GAA18CA070.md): Eurocopter AS 350 · Santa Rosa, AZ · Accident · No injuries · Data collection · Final report · Dec 6, 2017 · N790AM · Substantial damage
  > The pilot’s improper landing flare, which resulted in a hard landing.
- [NTSB WPR14TA370](https://openairdocs.org/ntsb/WPR14TA370.md): Eurocopter AS 350 B3 · Lincoln, CA · Accident · No injuries · Final report · Sep 5, 2014 · N217HP · Substantial damage
  > The failure of the engine to provide sufficient power when commanded by the pilot during the power recovery phase of a practice autorotation for reasons that could not be determined because postaccident examination revealed no mechanical malfunctions or…
- [NTSB WPR14TA357](https://openairdocs.org/ntsb/WPR14TA357.md): Airbus Helicopters AS 350 B3 · Hemet, CA · Accident · Minor injuries · Final report · Aug 28, 2014 · N991SD · Substantial damage
  > The flight instructor's failure to adequately brief and demonstrate the simulated emergency procedure to the pilot under instruction and his delayed remedial action and inadequate supervision during the maneuver, which resulted in an excessive sink rate and a…
- [NTSB WPR12TA120](https://openairdocs.org/ntsb/WPR12TA120.md): Eurocopter AS 350 B3 · Napa, CA · Accident · No injuries · Final report · Mar 1, 2012 · N341HP · Substantial damage
  > The flight instructor’s improper use of the collective control during a practice hovering autorotation, which resulted in a hard landing.
- [NTSB WPR12CA118](https://openairdocs.org/ntsb/WPR12CA118.md): Eurocopter AS 350 B3 · Poway, CA · Accident · No injuries · Data collection · Final report · Feb 25, 2012 · N118MB · Substantial damage
  > The pilot's inadequate compensation for wind conditions during landing, which resulted in a hard landing.
- [NTSB WPR10CA028](https://openairdocs.org/ntsb/WPR10CA028.md): Eurocopter AS 350 B3 · Marana, AZ · Accident · No injuries · Data collection · Final report · Oct 22, 2009 · N105LN · Substantial damage
  > The improper use of the throttle by the pilot receiving instruction, and the check pilot's inadequate supervision and delayed remedial action, which resulted in the collision with terrain.
- [NTSB WPR09TA001](https://openairdocs.org/ntsb/WPR09TA001.md): Eurocopter AS350B3 · Blaine, WA · Accident · No injuries · Final report · Oct 2, 2008 · N172AE · Substantial damage
  > The pilot's failure to maintain main rotor rpm, which resulted in a hard landing. Contributing to the accident were the flight instructor's delayed remedial action and inadequate supervision of the flight.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('8680954')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '092' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/092/sequence?model=8680954

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