# NTSB investigations: Cessna 170, 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 DEN99LA115](https://openairdocs.org/ntsb/DEN99LA115.md): Cessna 170 · Durango, CO · Accident · No injuries · Limited investigation · Final report · Jun 22, 1999 · N4163V · Substantial damage
  > The pilot's failure to maintain directional control of the aircraft during landing roll. A factor was the high density altitude and the high vegetation (sagebrush).
- [NTSB FTW98LA360](https://openairdocs.org/ntsb/FTW98LA360.md): Cessna 170 · Boulder, CO · Accident · Minor injuries · Limited investigation · Final report · Aug 16, 1998 · N2574V · Substantial damage
  > The pilot's intentional ground loop and his inadequate compensation for the wind condition. A contributng factor was crosswinds.
- [NTSB DEN90FA120](https://openairdocs.org/ntsb/DEN90FA120.md): Cessna 170A · Dillon, CO · Accident · 1 fatal · Field investigation · Final report · Jun 3, 1990 · N3944V · Substantial damage
  > Improper planning/decision by the pilot, and his failure to maintain airspeed, which resulted in an inadvertent stall. Factors related to the accident were: the high density altitude and terrain conditions.
- [NTSB DEN67D0216](https://openairdocs.org/ntsb/DEN67D0216.md): Cessna 170 · Littleton, CO · Accident · No injuries · Closed · Feb 4, 1967 · N4103V · Substantial damage
- [NTSB DEN66F0243](https://openairdocs.org/ntsb/DEN66F0243.md): Cessna 170 · Aurora, CO · Accident · No injuries · Closed · Jan 11, 1966 · N4151V · Substantial damage
- [NTSB UNK64X4207](https://openairdocs.org/ntsb/UNK64X4207.md): Cessna 170 · Broomfield, CO · Accident · No injuries · Closed · Sep 29, 1964 · N4154V · Substantial damage
- [NTSB UNK64X1974](https://openairdocs.org/ntsb/UNK64X1974.md): Cessna 170 · Denver, CO · Accident · Minor injuries · Closed · May 27, 1964 · N4189V · Substantial damage
- [NTSB UNK64X1252](https://openairdocs.org/ntsb/UNK64X1252.md): Cessna 170 · Hiwatha, CO · Accident · No injuries · Closed · Apr 11, 1964 · N4068V · 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" = '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 ('2072302'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=2072302&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.
