# Fatal NTSB investigations: Lockheed 12A

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 WPR24FA196](https://openairdocs.org/ntsb/WPR24FA196.md): Lockheed 12A · Chino, CA · Accident · 2 fatal · Class 3 · Field · Final report · Jun 15, 2024 · N93R · Substantial damage
  > The pilot’s exceedance of the airplane’s critical angle of attack during the initial climb, which resulted in an aerodynamic stall at an altitude insufficient for recovery. Contributing to the accident was the pilot’s failure to ensure that the airplane was…
- [NTSB CHI79FEC40](https://openairdocs.org/ntsb/CHI79FEC40.md): Lockheed 12A · Pontiac, MI · Accident · 1 fatal · Closed · Aug 7, 1979 · N36P · Destroyed
- [NTSB UNK64X2707](https://openairdocs.org/ntsb/UNK64X2707.md): Lockheed 12A · Martinsville, VA · Accident · 5 fatal · Closed · Jul 7, 1964 · N18946 · Destroyed

## 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."highestInjuryLevel" = 'Fatal'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('5261402'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?fatal=1&model=5261402

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.