# NTSB investigations: Allison 501-D22A

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 DCA25LA061](https://openairdocs.org/ntsb/DCA25LA061.md): Lockheed 382G-44K-30 · St. Mary's, AK · Accident · No injuries · Class 3 · Limited · Final report · Dec 18, 2024 · N403LC · Substantial damage
  > The fatigue failure of the forward pressure bulkhead canted web that originated from stress corrosion cracking areas. Contributing to the failure were inspection procedures and intervals inadequate to identify the fatigue cracks.
- [NTSB DCA16LA096](https://openairdocs.org/ntsb/DCA16LA096.md): Lockheed 382G · Iliamna, AK · Accident · No injuries · Limited investigation · Final report · Feb 12, 2016 · N401LC · Substantial damage
  > The fatigue failure of the forward pressure bulkhead canted web that originated from stress corrosion cracking areas. Contributing to the failure were inspection procedures and intervals inadequate to identify the crack.
- [NTSB ANC07LA067](https://openairdocs.org/ntsb/ANC07LA067.md): Lockheed 382G-44K-30 · McGrath, AK · Accident · No injuries · Limited investigation · Final report · Jul 19, 2007 · N401LC · Substantial damage
  > The pilot's excessive rotation of the airplane during takeoff, which resulted in dragging the tail on the runway and substantial damage.
- [NTSB ANC01LA081](https://openairdocs.org/ntsb/ANC01LA081.md): Lockheed L-382G · Lake Minchumina, AK · Accident · No injuries · Limited investigation · Final report · Jul 2, 2001 · N401LC · Substantial damage
  > The flight crew's improper recovery from a bounced landing. Factors associated with the accident were the selection of an unsuitable landing area, and a rough/uneven landing surface.
- [NTSB ANC98LA085](https://openairdocs.org/ntsb/ANC98LA085.md): Lockheed L-382G · Huslia, AK · Accident · No injuries · Limited investigation · Final report · Jun 26, 1998 · N402LC · Substantial damage
  > The pilot's failure to maintain proper alignment of the airplane during the landing roll.

## 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 ('03006'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=03006

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