# NTSB investigations: Bell Helicopter Textron Canada 407: 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 ERA23LA319](https://openairdocs.org/ntsb/ERA23LA319.md): Bell Helicopter Textron Canada 407 · North Charleston, SC · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 1, 2023 · N31PB · Substantial damage
  > A failure of the tail rotor pitch change lever assembly due to incorrectly installed bolts and maintenance personnel’s inadequate inspection of the tail rotor control system.
- [NTSB CEN22LA078](https://openairdocs.org/ntsb/CEN22LA078.md): Bell Helicopter Textron Canada 407 · Bridgeport, TX · Accident · Minor injuries · Class 4 · Limited · Final report · Dec 14, 2021 · N862YB · Substantial damage
  > The pilot’s failure to maintain adequate main rotor RPM during an autorotation which resulted in a hard landing. Contributing to the accident was the pilot’s improper placement of the throttle during the initial practice power-on recovery autorotation.
- [NTSB ERA12TA251](https://openairdocs.org/ntsb/ERA12TA251.md): Bell 407 · Delray Beach, FL · Accident · Minor injuries · Final report · Mar 23, 2012 · N31PB · Substantial damage
  > The pilot’s improper response to a simulated engine failure and the instructor’s delayed and improper remedial action.
- [NTSB CEN10LA078](https://openairdocs.org/ntsb/CEN10LA078.md): Bell Helicopter Textron Canada 407 · Decatur, TX · Accident · Serious injuries · Limited investigation · Final report · Dec 25, 2009 · N600CE · Substantial damage
  > The pilot's inadequate preflight inspection and the momentary loss of engine power due to snow or ice ingestion.

## 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 ('1182154')
    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=1182154

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