# NTSB investigations: Piper PA-23: Airframe/component/system failure/malfunction

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 FTW95LA383](https://openairdocs.org/ntsb/FTW95LA383.md): Piper PA-23 · Greeley, CO · Accident · No injuries · Limited investigation · Final report · Sep 8, 1995 · N2291P · Substantial damage
  > The pilot's improper in-flight planning/decision by inadvertently selecting a less suitable area for landing (than the runway). Factors relating to the accident were: a malfunction of the nose landing gear micro-switch, which resulted in a false indication…
- [NTSB BFO90LA004](https://openairdocs.org/ntsb/BFO90LA004.md): Piper PA-23-150 · Wytheville, VA · Accident · Minor injuries · Limited investigation · Final report · Oct 29, 1989 · N2224P · Substantial damage
  > The loss of propeller control which resulted in engine shutdown and subsequent forced landing on unsuitable terrain.
- [NTSB CHI86FA137](https://openairdocs.org/ntsb/CHI86FA137.md): Piper PA-23-150 · Warren, MI · Accident · 1 fatal · Field investigation · Final report · May 4, 1986 · N1373P · Destroyed
  > The acft developed a small oil leak during a x-country flt. The plt reduced power to idle to conserve oil even though the oil pressure was still in the normal range. During the descent the acfts airspeed was not maintained and the acft contacted the ground in…
- [NTSB CHI84LA408](https://openairdocs.org/ntsb/CHI84LA408.md): Piper PA-23-150 · Defiance, OH · Accident · No injuries · Limited investigation · Final report · Sep 30, 1984 · N1424P · Substantial damage
  > During initial takeoff climb at alt of 300 ft AGL, 9 1/4 inches of rt engine prop blade separated. Forced landing was make in field during which time the rt wing contacted a tree. Metallurgical examination revealed progressive fatigue over 75% of the…
- [NTSB ATL82DA115](https://openairdocs.org/ntsb/ATL82DA115.md): Piper PA-23 · Louisville, KY · Accident · No injuries · Final report · Apr 25, 1982 · N1227P · Substantial damage
  > The pilot stated that during level flight at 9000 ft, he noticed smoke coming from under the instrument panel, followed by a vibration for 15 to 20 seconds. He diverted and landed at Louisville, KY without further incident. An examination revealed that the…
- [NTSB ATL82LA098](https://openairdocs.org/ntsb/ATL82LA098.md): Piper PA-23-170 · Tuscaloosa, AL · Accident · No injuries · Limited investigation · Final report · Apr 9, 1982 · N3016P · Substantial damage
  > During an instructional flight the right engine was shut down and the prop feathered after a vibration was felt. The flight continued to its intended destination. Witnesses stated that they observed the right prop rotating while on final approach, even though…
- [NTSB FTW82FA111](https://openairdocs.org/ntsb/FTW82FA111.md): Piper PA-23-150 · Newark, TX · Accident · No injuries · Field investigation · Final report · Apr 7, 1982 · N1196P · Destroyed
  > The plt reported a loud bang was heard and he observed the left eng cowl raised to a vertical position & the eng drooped downward. The excessive amount of drag caused the acft to be uncontrollable. The plt was able to gain control of the acft by feathering…

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7102302')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 130))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7102302&occurrence=130

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