# NTSB investigations: Piper PA-11, 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 WPR13CA412](https://openairdocs.org/ntsb/WPR13CA412.md): Piper PA 11 · Bozeman, MT · Accident · Minor injuries · Data collection · Final report · Sep 16, 2013 · N4988M · Substantial damage
  > The pilot's failure to maintain aircraft control and inadequate compensation for the high gusty wind conditions during taxi.
- [NTSB SEA06CA144](https://openairdocs.org/ntsb/SEA06CA144.md): Piper PA-11 · Turner, MT · Accident · No injuries · Data collection · Final report · Jul 15, 2006 · N4706H · Substantial damage
  > The passenger's inadvertent activation of the airplane's brakes during the landing roll, resulting in the pilot's loss of control and subsequent nose over. A factor was the pilot's inadequate preflight planning/preparation by not briefing the passenger about…
- [NTSB SEA03LA111](https://openairdocs.org/ntsb/SEA03LA111.md): Piper PA-11 · Alzada, MT · Accident · No injuries · Limited investigation · Final report · Jun 21, 2003 · N4565M · Destroyed
  > The student pilot's failure to maintain adequate flying airspeed in a turn while maneuvering close to the ground resulting in a stall condition. A contributing factor was the turbulent wind conditions.
- [NTSB DEN89LA049](https://openairdocs.org/ntsb/DEN89LA049.md): Piper PA-11 · Winnett, MT · Accident · No injuries · Limited investigation · Final report · Dec 23, 1988 · N5570H · Substantial damage
  > The pilot was taking off from a farm strip with a 10 kt head wind. The plt said the sun was shining at the time of the acdt but there had been snow showers in the area. He said the liftoff was normal but at about 15 to 18 ft AGL the acft stalled and crashed.…
- [NTSB DEN89LA046](https://openairdocs.org/ntsb/DEN89LA046.md): Piper PA-11 · Hammond, MT · Accident · No injuries · Limited investigation · Final report · Dec 17, 1988 · N78654 · Substantial damage
  > The plt, who was a veterinarian, landed his acft in rough, cultivated farm fld at a ranch in order to conduct business. Upon completion of his business, the plt selected a smoother area in the same field for takeoff. The area was smoother but was shorter and…
- [NTSB SEA76FTA16](https://openairdocs.org/ntsb/SEA76FTA16.md): Piper PA-11 · Ashland, MT · Accident · No injuries · Closed · Mar 10, 1976 · N5010H · Substantial damage
- [NTSB SEA76AS022](https://openairdocs.org/ntsb/SEA76AS022.md): Piper PA-11 · Turner, MT · Accident · 3 fatal · Closed · Oct 17, 1975 · N4575M · Destroyed
- [NTSB SEA75FTA20](https://openairdocs.org/ntsb/SEA75FTA20.md): Piper PA-11 · Nashua, MT · Accident · No injuries · Closed · May 18, 1975 · N4752M · Substantial damage
- [NTSB SEA75FTA06](https://openairdocs.org/ntsb/SEA75FTA06.md): Piper PA-11 · Hammond, MT · Accident · Serious injuries · Closed · Aug 19, 1974 · N4992H · Substantial damage
- [NTSB SEA71DTA24](https://openairdocs.org/ntsb/SEA71DTA24.md): Piper PA-11 · Alzada, MT · Accident · No injuries · Closed · Jun 16, 1971 · N4986H · Substantial damage
- [NTSB SEA71FDA17](https://openairdocs.org/ntsb/SEA71FDA17.md): Piper PA-11 · Alzada, MT · Accident · No injuries · Closed · Mar 11, 1971 · N4532M · Substantial damage
- [NTSB SEA69A0043](https://openairdocs.org/ntsb/SEA69A0043.md): Piper PA-11 · Ingomar, MT · Accident · 2 fatal · Closed · Jan 26, 1969 · N4648M · Destroyed
- [NTSB SEA69D0029](https://openairdocs.org/ntsb/SEA69D0029.md): Piper PA-11 · Fairview, MT · Accident · No injuries · Closed · Jun 11, 1968 · N5537H · Substantial damage
- [NTSB SEA69F0003](https://openairdocs.org/ntsb/SEA69F0003.md): Piper PA-11 · Zurich, MT · Accident · No injuries · Closed · Jun 10, 1968 · N4966H · Substantial damage
- [NTSB SEA68D0313](https://openairdocs.org/ntsb/SEA68D0313.md): Piper PA-11 · Wolf Point, MT · Accident · Minor injuries · Closed · May 18, 1968 · N78741 · Substantial damage
- [NTSB SEA66D0178](https://openairdocs.org/ntsb/SEA66D0178.md): Piper PA-11 · Lambert, MT · Accident · No injuries · Closed · Nov 14, 1965 · N4765M · Substantial damage
- [NTSB SEA65D0016](https://openairdocs.org/ntsb/SEA65D0016.md): Piper PA-11 · Decker, MT · Accident · No injuries · Closed · Feb 6, 1965 · N5570H · 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 ('7101102', '7101106'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7101102&state=MT

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