# NTSB investigations: Piper PA-25-235, MT

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 DEN89LA167](https://openairdocs.org/ntsb/DEN89LA167.md): Piper PA-25 · Wh Sulphur Spgs, MT · Accident · No injuries · Limited investigation · Final report · Jul 11, 1989 · N6663Z · Substantial damage
  > The pilot failed to maintain adequate airspeed during an aerial application maneuver and inadvertently allowed the aircraft to mush into the ground. Unfavorable wind and turbulence were considered to be contributing factors.
- [NTSB DEN89DTI01](https://openairdocs.org/ntsb/DEN89DTI01.md): Piper PA-25-235 · Conrad, MT · Accident · 1 fatal · Final report · Jun 20, 1989 · N7001Z · Destroyed
  > The pilot's failure to see the guy wire in time to avoid colliding with it.
- [NTSB DEN88LA139](https://openairdocs.org/ntsb/DEN88LA139.md): Piper PA-25-235 · Conrad, MT · Accident · No injuries · Limited investigation · Final report · Jun 27, 1988 · N9856P · Substantial damage
  > The plt reported that he was making a lt turnaround to begin a swath run. He said the acft slowed while in a steep lt bank at the highest part of the turn and he was unable to raise the lt wing as the acft approached the ground. The lt wing and main landing…
- [NTSB DEN86LA183](https://openairdocs.org/ntsb/DEN86LA183.md): Piper PA-25-235 · Bynum, MT · Accident · No injuries · Limited investigation · Final report · Jul 2, 1986 · N7099Z · Substantial damage
  > After the first landing on a gravel road for reloading liquid insecticide the pilot attempted to take off for an aerial application flight. During the take off ground roll the pilot observed that the left door was not properly closed. He momentarily reduced…
- [NTSB DEN82FTA10](https://openairdocs.org/ntsb/DEN82FTA10.md): Piper PA-25-235 · Glendive, MT · Accident · Serious injuries · Final report · Jun 1, 1982 · N4589Y · Destroyed
  > The pilot reported that he had just loaded the sprayer and had made one pass downhill. At the end of the field, he started a left turn to make an uphill pass. The pilot stated that he got into bad air or down slope air and started to dump the chemical but it…
- [NTSB DEN80FTA18](https://openairdocs.org/ntsb/DEN80FTA18.md): Piper PA-25 · Sidney, MT · Accident · Serious injuries · Closed · Aug 7, 1980 · N7375Z · Substantial damage
- [NTSB SEA78FTI19](https://openairdocs.org/ntsb/SEA78FTI19.md): Piper PA-25 · Conrad, MT · Accident · No injuries · Closed · May 26, 1978 · N9883P · Substantial damage
- [NTSB SEA76FTA25](https://openairdocs.org/ntsb/SEA76FTA25.md): Piper PA-25 · Forsyth, MT · Accident · No injuries · Closed · Jun 9, 1976 · N7611Z · Substantial damage
- [NTSB SEA76DTI03](https://openairdocs.org/ntsb/SEA76DTI03.md): Piper PA-25 · Big Sandy, MT · Accident · Minor injuries · Closed · Jul 24, 1975 · N7391Z · Destroyed
- [NTSB SEA74FTA27](https://openairdocs.org/ntsb/SEA74FTA27.md): Piper PA-25 · Broadview, MT · Accident · No injuries · Closed · Jun 7, 1974 · N7051Z · Substantial damage
- [NTSB SEA74FTA24](https://openairdocs.org/ntsb/SEA74FTA24.md): Piper PA-25 · Wolf Point, MT · Accident · No injuries · Closed · Apr 26, 1974 · N6507Z · Destroyed
- [NTSB SEA73FTI22](https://openairdocs.org/ntsb/SEA73FTI22.md): Piper PA-25 · Belgrade, MT · Accident · No injuries · Closed · Jun 22, 1973 · N6530Z · Substantial damage
- [NTSB SEA70FDA11](https://openairdocs.org/ntsb/SEA70FDA11.md): Piper PA-25 · Lindsay, MT · Accident · No injuries · Closed · Jun 6, 1970 · N6483Z · Substantial damage
- [NTSB SEA70DDA08](https://openairdocs.org/ntsb/SEA70DDA08.md): Piper PA-25 · Billings, MT · Accident · No injuries · Closed · May 31, 1970 · N4337Y · Substantial damage
- [NTSB SEA69F0249](https://openairdocs.org/ntsb/SEA69F0249.md): Piper PA-25 · Geraldine, MT · Accident · 1 fatal · Closed · Apr 10, 1969 · N7291Z · Destroyed
- [NTSB SEA68F0315](https://openairdocs.org/ntsb/SEA68F0315.md): Piper PA-25 · Cut Bank, MT · Accident · No injuries · Closed · Jun 5, 1968 · N7291Z · Substantial damage
- [NTSB SEA68F0319](https://openairdocs.org/ntsb/SEA68F0319.md): Piper PA-25 · Santa Rita, MT · Accident · No injuries · Closed · May 29, 1968 · N7701Z · Substantial damage
- [NTSB SEA68F0314](https://openairdocs.org/ntsb/SEA68F0314.md): Piper PA-25 · Townsend, MT · Accident · No injuries · Closed · May 16, 1968 · N7306Z · Substantial damage
- [NTSB SEA68D0111](https://openairdocs.org/ntsb/SEA68D0111.md): Piper PA-25 · Carter, MT · Accident · Minor injuries · Closed · Aug 11, 1967 · N7668Z · Substantial damage
- [NTSB SEA67F0054](https://openairdocs.org/ntsb/SEA67F0054.md): Piper PA-25 · Winifred, MT · Accident · No injuries · Closed · Jul 25, 1966 · N6880Z · 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" = 'MT' 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=MT

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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.