# NTSB investigations: Wright C7BA series, AZ

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 LAX94LA158](https://openairdocs.org/ntsb/LAX94LA158.md): Rockwell S-2R · Tacna, AZ · Accident · Minor injuries · Limited investigation · Final report · Mar 11, 1994 · N4977X · Substantial damage
  > a catastrophic internal engine failure for undetermined reasons. A factor in the accident was the dark nighttime lighting conditions.
- [NTSB LAX89DUJ10](https://openairdocs.org/ntsb/LAX89DUJ10.md): Ayres S-2R · Yuma, AZ · Accident · Serious injuries · Final report · Sep 14, 1989 · N4977X · Substantial damage
  > The failure of the pilot to maintain directional control after landing on a dry gravel runway.
- [NTSB LAX70FUJ21](https://openairdocs.org/ntsb/LAX70FUJ21.md): Sikorsky H-19A · Supai, AZ · Accident · Serious injuries · Closed · Apr 7, 1970 · N17378 · Destroyed
- [NTSB LAX68F0400](https://openairdocs.org/ntsb/LAX68F0400.md): N American T-28A · Holbrook, AZ · Accident · 1 fatal · Closed · Apr 10, 1968 · N7708C · Substantial damage

## 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."eventStateOrRegion" = 'AZ' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('67017'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=67017&state=AZ

---
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.