# NTSB investigations: Piper J4A, CA

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 WPR10CA031](https://openairdocs.org/ntsb/WPR10CA031.md): Piper J4 · El Cajon, CA · Accident · No injuries · Data collection · Final report · Oct 24, 2009 · N24536 · Substantial damage
  > The left-seat pilot's failure to maintain directional control during the landing roll.
- [NTSB LAX75DUG10](https://openairdocs.org/ntsb/LAX75DUG10.md): Piper J4A · Upland, CA · Accident · No injuries · Closed · Aug 24, 1974 · N24776 · Substantial damage
- [NTSB OAK74DVM03](https://openairdocs.org/ntsb/OAK74DVM03.md): Piper J4A · San Jose, CA · Accident · No injuries · Closed · Aug 1, 1973 · N27898 · Substantial damage
- [NTSB OAK71DVA91](https://openairdocs.org/ntsb/OAK71DVA91.md): Piper J4A · Three Rivrs, CA · Accident · Minor injuries · Closed · Jun 23, 1971 · N22789 · Destroyed
- [NTSB LAX70F0073](https://openairdocs.org/ntsb/LAX70F0073.md): Piper J4A · Ramona, CA · Accident · 1 fatal · Closed · Aug 3, 1969 · N27882 · Destroyed
- [NTSB LAX68D0393](https://openairdocs.org/ntsb/LAX68D0393.md): Piper J4A · Santee, CA · Accident · No injuries · Closed · May 8, 1968 · N26736 · Substantial damage
- [NTSB OAK67D0168](https://openairdocs.org/ntsb/OAK67D0168.md): Piper J4A · Orland, CA · Accident · No injuries · Closed · Nov 18, 1966 · N33194 · Substantial damage
- [NTSB OAK66A0041](https://openairdocs.org/ntsb/OAK66A0041.md): Piper J4 · Healdsburg, CA · Accident · 2 fatal · Closed · Mar 25, 1966 · N26807 · Destroyed
- [NTSB OAK65F0007](https://openairdocs.org/ntsb/OAK65F0007.md): Piper J4 · Madera, CA · Accident · No injuries · Closed · Feb 20, 1965 · N26910 · 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" = 'CA' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7100604'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7100604&state=CA

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