# NTSB investigations: Piper PA-23-160: 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 LAX05LA221](https://openairdocs.org/ntsb/LAX05LA221.md): Piper PA-23-160 · Honolulu, HI · Accident · No injuries · Limited investigation · Final report · Jul 1, 2005 · N3369P · Substantial damage
  > the flight crew's failure to ensure that the landing gear lever was in the full down position prior to utilizing the hand pump, and the certified flight instructor's failure to utilize the blow down emergency landing gear system. The instructor's inadequate…
- [NTSB NYC98FA073](https://openairdocs.org/ntsb/NYC98FA073.md): Piper PA-23-160 · Somerville, NJ · Accident · 2 fatal · Field investigation · Final report · Mar 4, 1998 · N3374P · Destroyed
  > in-flight separation of the empennage for undetermined reasons. "This case was modified August 2, 2006."
- [NTSB FTW95LA212](https://openairdocs.org/ntsb/FTW95LA212.md): Piper PA-23-160 · Owasso, OK · Accident · No injuries · Limited investigation · Final report · May 20, 1995 · N3245P · Substantial damage
  > The failures of the landing gear hydraulic pump and the emergency gear extension system as result of inadequate maintenance by maintenance personnel.
- [NTSB LAX92FA374](https://openairdocs.org/ntsb/LAX92FA374.md): Piper PA-23-160 · Concord, CA · Accident · 2 fatal · Field investigation · Final report · Sep 2, 1992 · N4305Y · Destroyed
  > The following Probable Cause was modified on April18, 2007, as a result of new information provided to the NTSB. The improper installation of the 1.75 inch od plug in the crankshaft by unknown maintenance personnel which resulted in an inadvertent feathering…
- [NTSB CHI88FA226](https://openairdocs.org/ntsb/CHI88FA226.md): Piper PA-23-160 · Toledo, OH · Accident · Serious injuries · Field investigation · Final report · Aug 30, 1988 · N4049P · Destroyed
  > Fatigue fracture, for reasons undetermined, which lead to the loss of a propeller blade from the right engine. This in turn lead to the marginal controllability of the aircraft.
- [NTSB ATL82FA163](https://openairdocs.org/ntsb/ATL82FA163.md): Piper PA-23-160 · Atlanta, GA · Accident · Serious injuries · Field investigation · Final report · Jun 14, 1982 · N4072P · Destroyed
  > Shortly after takeoff, a loud noise was heard and sparks were observed coming from the right side of the right engine. The aircrew attempted to feather the right engine, but it would not feather. They were unable to maintain altitude and descended into trees.…

## 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 ('7102304')
    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=7102304&occurrence=130

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