# NTSB investigations: Piper PA-23-250, OK

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 DFW06CA033](https://openairdocs.org/ntsb/DFW06CA033.md): Piper PA-23-250 · Bixby, OK · Accident · No injuries · Data collection · Final report · Nov 23, 2005 · N859DA · Substantial damage
  > The loss of engine power due to water contamination and corrosion in both gascolators due to improper maintenance. A factor was the lack of suitable terrain for the forced landing.
- [NTSB DFW05LA081](https://openairdocs.org/ntsb/DFW05LA081.md): Piper PA-23-250 · Westport, OK · Accident · No injuries · Limited investigation · Final report · Mar 5, 2005 · N33AC · Substantial damage
  > The collapsing of the right main landing gear as a result of the failure of the scissors assembly.
- [NTSB FTW02LA052](https://openairdocs.org/ntsb/FTW02LA052.md): Piper PA-23-250 · Duncan, OK · Accident · Serious injuries · Limited investigation · Final report · Dec 13, 2001 · N127CA · Substantial damage
  > The pilot's descent below the minimum descent altitude, and his failure to maintain obstacle clearance. Contributing factors were the below approach/landing minimum weather, the dark night conditions, and the inoperative REIL's.
- [NTSB FTW93FA132](https://openairdocs.org/ntsb/FTW93FA132.md): Piper PA-23-250 · Henryetta, OK · Accident · 1 fatal · Field investigation · Final report · Apr 18, 1993 · N4689P · Destroyed
  > The pilot's decision to fly into known adverse weather conditions and the ensuing spatial disorientation. Factors were the weather, and the pilot's decision to fly into IMC with inadequate flight and navigational equipment installed in the aircraft.
- [NTSB FTW85FA137](https://openairdocs.org/ntsb/FTW85FA137.md): Piper PA-23-250 · Foss, OK · Accident · 1 fatal · Field investigation · Final report · Mar 5, 1985 · N6310U · Destroyed
  > Inflt fire at rear of lft eng caused by fitting of inlet fuel line to eng driven fuel pump being more than 1 & 1/2 turns from finger tight plt was A&P mech and did maint on a/c and had helped install lft eng 19.8 hrs prior to accident. Lft wing separated…
- [NTSB FTW83FPM04](https://openairdocs.org/ntsb/FTW83FPM04.md): Piper PA23-250 · 8 Miles Se Bris, OK · Accident · 2 fatal · Final report · Nov 11, 1982 · N6145Y · Destroyed
  > The acft departed at 2220 with a planned enroute stop at holdenville, OK. 55 minutes later the acft crashed approximately 8.5 miles from its original departure point. Witnesses describe the wx as very bad due to heavy rain & fog.
- [NTSB FTW78FA048](https://openairdocs.org/ntsb/FTW78FA048.md): Piper PA-23 · Longdale, OK · Accident · 1 fatal · Closed · May 29, 1978 · N5850Y · Destroyed
- [NTSB FTW74AF044](https://openairdocs.org/ntsb/FTW74AF044.md): Piper PA-23 · Weatherford, OK · Accident · 2 fatal · Closed · Dec 18, 1973 · N14099 · Destroyed
- [NTSB FTW74DPM13](https://openairdocs.org/ntsb/FTW74DPM13.md): Cessna 150 · Tulsa, OK · Accident · No injuries · Closed · Dec 15, 1973 · N18124 · 2 aircraft · Destroyed
- [NTSB FTW70AF049](https://openairdocs.org/ntsb/FTW70AF049.md): Piper PA-23 · Tulsa, OK · Accident · No injuries · Closed · Jan 23, 1970 · N6847Y · 2 aircraft · Substantial damage
- [NTSB FTW66D0170](https://openairdocs.org/ntsb/FTW66D0170.md): Piper PA-23 · Fairview, OK · Accident · No injuries · Closed · Jul 28, 1965 · N5630Y · 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" = 'OK' 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 ('7102308'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7102308&state=OK

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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.