# NTSB investigations: Piper PA-31-310, 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 WPR11LA401](https://openairdocs.org/ntsb/WPR11LA401.md): Piper PA-31-310 · Cabazon, CA · Accident · No injuries · Limited investigation · Final report · Aug 21, 2011 · N1009S · Substantial damage
  > A total loss of left engine power due to the failure of the aft crankshaft counterweight retaining washer for reasons that could not be determined during postaccident examinations.
- [NTSB LAX06CA140](https://openairdocs.org/ntsb/LAX06CA140.md): Piper PA-31-310 · Victorville, CA · Accident · No injuries · Data collection · Final report · Mar 30, 2006 · N7086Z · Substantial damage
  > an in-flight collision with a bird.
- [NTSB LAX99LA181](https://openairdocs.org/ntsb/LAX99LA181.md): Piper PA-31-310 · La Verne, CA · Accident · No injuries · Limited investigation · Final report · Apr 15, 1999 · N57AS · Substantial damage
  > The in-flight separation of the right engine cowling due to the operator's inadequate maintenance quality control procedures and the pilot's inadequate preflight inspection.
- [NTSB LAX97FA217](https://openairdocs.org/ntsb/LAX97FA217.md): Piper PA 31-310 · San Diego, CA · Accident · 3 fatal · Field investigation · Final report · Jun 20, 1997 · N266MM · Destroyed
  > The loss of power in the left engine for undetermined reasons and the pilot's subsequent failure to maintain minimum single-engine control airspeed. A contributing factor was the pilot's decision to fly with known deficiencies in the equipment.
- [NTSB LAX91LA343](https://openairdocs.org/ntsb/LAX91LA343.md): Piper PA-31-310 · Byron, CA · Accident · No injuries · Limited investigation · Final report · Aug 3, 1991 · N504DB · Substantial damage
  > The pilot's failure to refuel the airplane and his misjudging the distance to the runway.
- [NTSB LAX81FA039](https://openairdocs.org/ntsb/LAX81FA039.md): Piper PA-31 · Mt Shasta, CA · Accident · 1 fatal · Closed · Jan 22, 1981 · N1938W · Destroyed
- [NTSB LAX79DUG12](https://openairdocs.org/ntsb/LAX79DUG12.md): Piper PA-31 · Hart Mine, CA · Accident · Minor injuries · Closed · Jan 14, 1979 · N6567L · 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."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 ('7103102'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7103102&state=CA

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