# NTSB investigations: American Eurocopter AS350B3: 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 WPR25LA189](https://openairdocs.org/ntsb/WPR25LA189.md): American Eurocopter AS350B3 · San Luis, AZ · Accident · No injuries · Class 4 · Limited · Final report · Jun 25, 2025 · N3951A · Substantial damage
  > The pilot receiving instruction’s failure to properly recover the helicopter during an autorotative landing and the instructor pilot’s failure to intervene, which resulted in a hard landing.
- [NTSB WPR16LA019](https://openairdocs.org/ntsb/WPR16LA019.md): American Eurocopter AS350B3 · Folsom, CA · Accident · No injuries · Limited investigation · Final report · Oct 24, 2015 · N911WL · Substantial damage
  > The flight instructor's failure to perform simulated engine failure training in accordance with manufacturer guidance, including his improper recovery from the maneuver, which resulted in an overshoot of the intended landing zone when the engine did not…

## 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 ('1145004', '1145002')
    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=1145004

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