# NTSB investigations: Piper PA-25-235, 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 CEN24LA370](https://openairdocs.org/ntsb/CEN24LA370.md): Piper PA-25-235 · Muskogee, OK · Accident · No injuries · Class 4 · Limited · Final report · Sep 26, 2024 · N6548Z · Substantial damage
  > The pilot’s inattention to refueling during turn-around operations which resulted in a loss of engine power due to fuel exhaustion.
- [NTSB CEN15LA238](https://openairdocs.org/ntsb/CEN15LA238.md): Piper PA-25-235 · Omega, OK · Accident · No injuries · Limited investigation · Final report · May 11, 2015 · N7279Z · Substantial damage
  > Improper base metal preparation or contamination of the No. 5 cylinder wall before it was coated, which resulted in the coating peeling off of the cylinder wall and contaminating the engine oil and the subsequent partial loss of engine power.
- [NTSB FTW97LA277](https://openairdocs.org/ntsb/FTW97LA277.md): Piper PA-25-235 · Blackwell, OK · Accident · No injuries · Limited investigation · Final report · Jul 21, 1997 · N8784L · Substantial damage
  > partial loss of engine power for undetermined reasons. Factors relating to the accident were: the high vegetation and ditch in the emergency landing area.
- [NTSB FTW95LA149](https://openairdocs.org/ntsb/FTW95LA149.md): Piper PA-25-235 · Catoosa, OK · Accident · Minor injuries · Limited investigation · Final report · Mar 30, 1995 · N4900Y · Substantial damage
  > The pilot's failure to maintain terrain and obstacle clearance.
- [NTSB FTW94LA126](https://openairdocs.org/ntsb/FTW94LA126.md): Piper PA-25-260 · Muskogee, OK · Accident · Minor injuries · Limited investigation · Final report · Apr 16, 1994 · N4647Y · Substantial damage
  > The pilot's failure to maintain clearance with the power line. Factors were a chemical spray contaminated windscreen, the resultant limitation to visibility, and sun glare.
- [NTSB FTW92LA120](https://openairdocs.org/ntsb/FTW92LA120.md): Piper PA-25-235 · Madil, OK · Accident · No injuries · Limited investigation · Final report · Apr 23, 1992 · N7603Z · Substantial damage
  > The pilot's failure to maintain adequate clearance with the wires. A factor was the existing sunglare.
- [NTSB FTW92DPJ02](https://openairdocs.org/ntsb/FTW92DPJ02.md): Piper PA-25 · Warner, OK · Accident · 1 fatal · Final report · Oct 10, 1991 · N8516L · Destroyed
  > The complete loss of engine power for undetermined reason.
- [NTSB FTW91DPJ01](https://openairdocs.org/ntsb/FTW91DPJ01.md): Piper PA-25 · Spiro, OK · Accident · Serious injuries · Final report · Mar 26, 1991 · N9845P · Destroyed
  > A power loss for undetermined reasons. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW88DPJ02](https://openairdocs.org/ntsb/FTW88DPJ02.md): Piper PA-25 · Catoosa, OK · Accident · Serious injuries · Final report · Oct 26, 1987 · N9787P · Destroyed
  > The pilot stalled the aircraft while turning downwind during a practice agricultural operation. The aircraft impacted the ground out of control. The pilot stated that he could not recall anything about the flight.
- [NTSB FTW83FA261](https://openairdocs.org/ntsb/FTW83FA261.md): Piper PA-25-235 · Omega, OK · Accident · 1 fatal · Field investigation · Final report · Jun 4, 1983 · N6551Z · Destroyed
  > The plt had just completed spraying a field & was in a right turn when the right wing tip hit gently rising terrain. The owner thought that the plt might have diverted his attention while looking at a farmer's map to locate the next field. (Several similar…
- [NTSB FTW80FPM17](https://openairdocs.org/ntsb/FTW80FPM17.md): Piper PA-25 · Henryetta, OK · Accident · No injuries · Closed · Aug 23, 1980 · N9558P · Substantial damage
- [NTSB FTW79DPJ31](https://openairdocs.org/ntsb/FTW79DPJ31.md): Piper PA-25 · Hollis, OK · Accident · No injuries · Closed · Jul 27, 1979 · N7756Z · Substantial damage
- [NTSB FTW79FPM09](https://openairdocs.org/ntsb/FTW79FPM09.md): Piper PA-25 · Chouteau, OK · Accident · Minor injuries · Closed · May 31, 1979 · N7161Z · Destroyed
- [NTSB FTW79DPJ20](https://openairdocs.org/ntsb/FTW79DPJ20.md): Piper PA-25 · Tonkawa, OK · Accident · Minor injuries · Closed · May 29, 1979 · N8624L · Substantial damage
- [NTSB FTW79FPJ01](https://openairdocs.org/ntsb/FTW79FPJ01.md): Piper PA-25 · Hydro, OK · Accident · 1 fatal · Closed · Oct 24, 1978 · N8845L · Destroyed
- [NTSB FTW78FPJ26](https://openairdocs.org/ntsb/FTW78FPJ26.md): Piper PA-25 · Enid, OK · Accident · Serious injuries · Closed · Jun 13, 1978 · N6730Z · Destroyed
- [NTSB FTW77FPM11](https://openairdocs.org/ntsb/FTW77FPM11.md): Piper PA-25 · Pryor, OK · Accident · No injuries · Closed · May 28, 1977 · N4646Y · Substantial damage
- [NTSB FTW77DPJ12](https://openairdocs.org/ntsb/FTW77DPJ12.md): Piper PA-25 · Gotebo, OK · Accident · Serious injuries · Closed · Mar 29, 1977 · N8822L · Destroyed
- [NTSB FTW75DPJ02](https://openairdocs.org/ntsb/FTW75DPJ02.md): Piper PA-25 · Felt, OK · Accident · No injuries · Closed · Jul 18, 1974 · N6997Z · Substantial damage
- [NTSB FTW74DPJ20](https://openairdocs.org/ntsb/FTW74DPJ20.md): Piper PA-25 · Eldorado, OK · Accident · No injuries · Closed · Jan 30, 1974 · N8848L · Substantial damage
- [NTSB FTW73DPJ01](https://openairdocs.org/ntsb/FTW73DPJ01.md): Pipep PA-25 · Guymon, OK · Accident · No injuries · Closed · Aug 17, 1972 · N4959Y · Substantial damage
- [NTSB FTW72DPJ38](https://openairdocs.org/ntsb/FTW72DPJ38.md): Piper PA-25 · Lindsay, OK · Accident · No injuries · Closed · Apr 28, 1972 · N7386Z · Substantial damage
- [NTSB FTW72FPM05](https://openairdocs.org/ntsb/FTW72FPM05.md): Piper PA-25 · Atwood, OK · Accident · No injuries · Closed · Aug 25, 1971 · N6531Z · Substantial damage
- [NTSB FTW72DPJ05](https://openairdocs.org/ntsb/FTW72DPJ05.md): Piper PA-25 · Texhoma, OK · Accident · No injuries · Closed · Jul 31, 1971 · N8687L · Substantial damage
- [NTSB FTW71FPJ46](https://openairdocs.org/ntsb/FTW71FPJ46.md): Piper PA-25 · Duncan, OK · Accident · 1 fatal · Closed · Jun 18, 1971 · N6983Z · Destroyed
- [NTSB FTW71FPJ03](https://openairdocs.org/ntsb/FTW71FPJ03.md): Piper J3C-65 · Crawford, OK · Accident · 1 fatal · Closed · Jul 7, 1970 · N30501 · 2 aircraft · Minor damage
- [NTSB FTW70D0058](https://openairdocs.org/ntsb/FTW70D0058.md): Piper PA-25 · Guymon, OK · Accident · No injuries · Closed · Jun 19, 1969 · N4631Y · Substantial damage
- [NTSB FTW69F0481](https://openairdocs.org/ntsb/FTW69F0481.md): Piper PA-25 · Bethany, OK · Accident · Serious injuries · Closed · Apr 6, 1969 · N6901Z · Destroyed
- [NTSB FTW69F0173](https://openairdocs.org/ntsb/FTW69F0173.md): Piper PA-25 · Crescent, OK · Accident · No injuries · Closed · Aug 31, 1968 · N6593Z · Substantial damage
- [NTSB FTW68D0585](https://openairdocs.org/ntsb/FTW68D0585.md): Piper PA-25 · Terral, OK · Accident · No injuries · Closed · May 5, 1968 · N6918Z · Substantial damage
- [NTSB FTW68D0297](https://openairdocs.org/ntsb/FTW68D0297.md): Piper PA-25 · Reed, OK · Accident · No injuries · Closed · Oct 20, 1967 · N7655Z · Substantial damage
- [NTSB FTW68D0125](https://openairdocs.org/ntsb/FTW68D0125.md): Piper PA-25 · Lookeba, OK · Accident · No injuries · Closed · Jul 28, 1967 · N6511Z · Substantial damage
- [NTSB FTW67F0656](https://openairdocs.org/ntsb/FTW67F0656.md): Piper PA-25 · Mooreland, OK · Accident · Serious injuries · Closed · May 29, 1967 · N7575Z · Destroyed
- [NTSB FTW66F0584](https://openairdocs.org/ntsb/FTW66F0584.md): Piper PA-25 · Okarche, OK · Accident · No injuries · Closed · Mar 26, 1966 · N7687Z · Destroyed
- [NTSB FTW66F0241](https://openairdocs.org/ntsb/FTW66F0241.md): Piper PA-25 · Fort Gibson, OK · Accident · Minor injuries · Closed · Aug 4, 1965 · N6723Z · Substantial damage
- [NTSB FTW66F0166](https://openairdocs.org/ntsb/FTW66F0166.md): Piper PA-25 · Hough, OK · Accident · Serious injuries · Closed · Jul 23, 1965 · N6739Z · Substantial damage
- [NTSB FTW66F0039](https://openairdocs.org/ntsb/FTW66F0039.md): Piper PA-25 · Maysville, OK · Accident · Serious injuries · Closed · May 13, 1965 · N6596Z · Destroyed
- [NTSB UNK64X1230](https://openairdocs.org/ntsb/UNK64X1230.md): Piper PA25 · El Reno, OK · Accident · Serious injuries · Closed · Apr 8, 1964 · N6983Z · Minor 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 ('7102504'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7102504&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.
