# NTSB investigations: Piper PA-23-250, 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 DEN02LA018](https://openairdocs.org/ntsb/DEN02LA018.md): Piper PA-23-250 · Pagosa Springs, CO · Accident · Minor injuries · Limited investigation · Final report · Jan 14, 2002 · N6935Y · Substantial damage
  > the total power failure of the right engine due to the failure of its lubricating system. Contributing factors were the lack of suitable terrain for a forced landing, and the terrain being above the airplane's single engine performance capability.
- [NTSB FTW92LA110](https://openairdocs.org/ntsb/FTW92LA110.md): Piper PA-23-250 · Denver, CO · Accident · No injuries · Limited investigation · Final report · Apr 3, 1992 · N6460Y · Substantial damage
  > The loss of hydraulic fluid due to a ruptured hydraulic line in the landing gear system.
- [NTSB DEN86FA020](https://openairdocs.org/ntsb/DEN86FA020.md): Piper PA-230-250 · Englewood, CO · Accident · 1 fatal · Field investigation · Final report · Nov 9, 1985 · N1909T · Destroyed
  > The plt had new avionics and autopilot system installed in the acft prior to the accident. Ntap data indicated that the acft did not attain the assigned alt of 8200 ft prior to reaching the outer marker. The acft did not get established on the localizer…
- [NTSB DEN82DA146](https://openairdocs.org/ntsb/DEN82DA146.md): Piper PA-23C-250 · Gunnison, CO · Accident · Minor injuries · Final report · Jul 25, 1982 · N6383Y · Substantial damage
  > During takeoff, the pilot was distracted by inbound traffic and delayed retracting his gear. At the same time, the engines were not synchronized and he was having difficulty getting them to sound good. He then noticed that a fire had started in the vicinity…
- [NTSB DEN82DA080](https://openairdocs.org/ntsb/DEN82DA080.md): Piper PA-23 · Erie, CO · Accident · No injuries · Final report · May 1, 1982 · N13845 · Substantial damage
  > The aircraft lost power during takeoff climb and was landed straight ahead resulting in substantial damage. The fuel selector valve was hard to move and during tests moving it caused the engines to quit. Piper AD 80-18-10 warns that scott manufactured…
- [NTSB DEN76AD074](https://openairdocs.org/ntsb/DEN76AD074.md): Piper PA-23 · Steamboat Spgs, CO · Accident · 6 fatal · Closed · Sep 26, 1976 · N777MF · Destroyed
- [NTSB DEN75FTE52](https://openairdocs.org/ntsb/DEN75FTE52.md): Piper PA-23 · Broomfield, CO · Accident · No injuries · Closed · Feb 18, 1975 · N4519P · Substantial damage
- [NTSB DEN74FTE57](https://openairdocs.org/ntsb/DEN74FTE57.md): Piper PA-23 · Steamboat Sp, CO · Accident · Serious injuries · Closed · Feb 9, 1974 · N901E · Destroyed
- [NTSB DEN81FA070](https://openairdocs.org/ntsb/DEN81FA070.md): Piper PA-23 · Estes Park, CO · Accident · 1 fatal · Closed · May 9, 1972 · N4909P · Destroyed
- [NTSB DEN72AD002](https://openairdocs.org/ntsb/DEN72AD002.md): Piper PA-23 · Alamosa, CO · Accident · 5 fatal · Closed · Jul 21, 1971 · N6302Y · Destroyed
- [NTSB DEN70D0043](https://openairdocs.org/ntsb/DEN70D0043.md): Piper PA-23 · Aspen, CO · Accident · No injuries · Closed · May 31, 1969 · N467DM · Substantial damage
- [NTSB DEN70F0002](https://openairdocs.org/ntsb/DEN70F0002.md): Piper PA-23 · Denver, CO · Accident · No injuries · Closed · Feb 10, 1969 · N5293Y · Substantial damage
- [NTSB DEN68A0052](https://openairdocs.org/ntsb/DEN68A0052.md): Piper PA-23 · Conejos, CO · Accident · No injuries · Closed · May 7, 1968 · N6139Y · Substantial damage
- [NTSB DEN67D0021](https://openairdocs.org/ntsb/DEN67D0021.md): Piper PA-23 · Littleton, CO · Accident · No injuries · Closed · Jun 17, 1966 · N4873P · Substantial damage
- [NTSB DEN66F0082](https://openairdocs.org/ntsb/DEN66F0082.md): Piper PA-23 · Las Animas, CO · Accident · No injuries · Closed · Jul 28, 1965 · N5448Y · 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 ('7102308'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7102308&state=CO

---
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.