# NTSB investigations: Piper PA-11, 1971

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 MKC72DTK13](https://openairdocs.org/ntsb/MKC72DTK13.md): Piper PA-11 · Miller, SD · Accident · No injuries · Closed · Dec 24, 1971 · N78636 · Substantial damage
- [NTSB MKC71DCD91](https://openairdocs.org/ntsb/MKC71DCD91.md): Piper PA-11 · Boone, IA · Accident · No injuries · Closed · Jun 26, 1971 · N4631M · Substantial damage
- [NTSB SEA71DYA39](https://openairdocs.org/ntsb/SEA71DYA39.md): Piper PA-11 · Newdale, ID · Accident · No injuries · Closed · Jun 20, 1971 · N4687M · 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 MKC71FTG30](https://openairdocs.org/ntsb/MKC71FTG30.md): Piper PA-11 · Petersburg, ND · Accident · Minor injuries · Closed · Jun 3, 1971 · N4709H · Substantial damage
- [NTSB DEN71DTC06](https://openairdocs.org/ntsb/DEN71DTC06.md): Piper PA-11 · Aladdin, WY · Accident · No injuries · Closed · May 23, 1971 · N4955M · 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

## 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 year(c."eventDate") = 1971
  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&year=1971

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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.