# NTSB investigations: Piper PA-22-135, CO

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 DEN05FA124](https://openairdocs.org/ntsb/DEN05FA124.md): Piper PA-22-135 · Kremmling, CO · Accident · 2 fatal · Field investigation · Final report · Apr 7, 2005 · N3766A · Substantial damage
  > the pilot's failure to maintain clearance from terrain.
- [NTSB DEN99LA162](https://openairdocs.org/ntsb/DEN99LA162.md): Piper PA-22-135 · Greeley, CO · Accident · No injuries · Limited investigation · Final report · Sep 14, 1999 · N3329A · Substantial damage
  > The pilot's inadvertent ground loop during landing roll. Factors were the malfunctioning self centering locking device on the tail wheel, the right rear quartering tail wind, and the 3 to 4 inch high berm along the edge of the runway.
- [NTSB DEN92LA011](https://openairdocs.org/ntsb/DEN92LA011.md): Piper PA-22-135 · Siebert, CO · Accident · Serious injuries · Limited investigation · Final report · Dec 2, 1991 · N3745A · Substantial damage
  > Total loss of engine power due to a plugged vent in the tank filler cap, resulting in fuel starvation. Factors related to the accident were: darkness and the lack of suitable terrain for a forced landing.
- [NTSB DEN78DTE49](https://openairdocs.org/ntsb/DEN78DTE49.md): Piper PA-22 · Burlington, CO · Accident · No injuries · Closed · Apr 16, 1978 · N1175C · Substantial damage
- [NTSB DEN77FA046](https://openairdocs.org/ntsb/DEN77FA046.md): Piper PA-22 · Englewood, CO · Accident · 2 fatal · Closed · Jun 26, 1977 · N3715A · Destroyed
- [NTSB DEN72DTE37](https://openairdocs.org/ntsb/DEN72DTE37.md): Piper PA-22 · Arboles, CO · Accident · No injuries · Closed · Oct 25, 1971 · N1504P · Substantial damage
- [NTSB DEN70DXD25](https://openairdocs.org/ntsb/DEN70DXD25.md): Piper PA-22 · Pueblo, CO · Accident · Minor injuries · Closed · May 3, 1970 · N2384A · Substantial damage
- [NTSB DEN70D0095](https://openairdocs.org/ntsb/DEN70D0095.md): Piper PA-22 · Arriba, CO · Accident · Minor injuries · Closed · Aug 10, 1969 · N2477A · Destroyed

## 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" = 'CO' 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 ('7102206'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7102206&state=CO

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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.