# NTSB investigations: Allison T63-A-720

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 ERA24LA267](https://openairdocs.org/ntsb/ERA24LA267.md): Garlick Helicopters OH-58A+ · Cisco, GA · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 18, 2024 · N72BM · Substantial damage
  > A reported total loss of engine power for reasons that could not be determined.
- [NTSB WPR20LA247](https://openairdocs.org/ntsb/WPR20LA247.md): Bell OH58A · Holtville, CA · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 31, 2020 · N901XV · Substantial damage
  > The total loss of engine power due to the decoupling of the engine's turbine and compressor sections, which resulted from improper maintenance.
- [NTSB GAA17CA265](https://openairdocs.org/ntsb/GAA17CA265.md): Rotorcraft Development OH-58A+ · Waterloo, IL · Accident · No injuries · Data collection · Final report · May 7, 2017 · N993YC · Substantial damage
  > The pilot’s failure to see and avoid transmission wires while maneuvering at a low altitude.
- [NTSB WPR13LA087](https://openairdocs.org/ntsb/WPR13LA087.md): Bell OH-58C · Riverdale, CA · Accident · Serious injuries · Limited investigation · Final report · Jan 8, 2013 · N911PT · Substantial damage
  > A flight control malfunction while maneuvering for reasons that could not be determined because it was not possible to establish whether observed damage to the flight control assembly was the result of wreckage recovery efforts or a preexisting condition.
- [NTSB WPR11LA303](https://openairdocs.org/ntsb/WPR11LA303.md): Arrow Falcon Exporters OH-58C · Brentwood, CA · Accident · Serious injuries · Limited investigation · Final report · Jul 3, 2011 · N6264D · Substantial damage
  > The failure of the main rotor mast due to fatigue cracking originating from corrosion pits.
- [NTSB WPR09LA471](https://openairdocs.org/ntsb/WPR09LA471.md): Arrow Falcon Exporters OH-58A+ · Myrtle Creek, OR · Accident · Minor injuries · Limited investigation · Final report · Sep 28, 2009 · N298CP · Substantial damage
  > A partial loss of engine power during takeoff for undetermined reasons.

## 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.engine_model_code IN ('03083'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=03083

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