# Accident 19920902035109A: Piper PA23160, Concord, CA, September 2, 1992

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 2, 1992, 14:41 local time
- Place: Concord, CA
- Airport: Buchanan Field
- Damage: Destroyed
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: General operating rules (Part 91)
- Location: 38.0000° N, 122.0309° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=38.0000&lon=-122.0309&mi=10
- Aircraft: N4305Y, a cancelled registration (https://openairdocs.org/deregistered/N4305Y-2012-11-21) (OpenAirDocs)
- Registry model: Piper PA-23-160 (registry code 7102304, https://openairdocs.org/model/piper-pa-23-160) (OpenAirDocs)
- Registry engine: Lycoming 0-320 series (registry code 41508, https://openairdocs.org/engine/lycoming-0-320-series) (OpenAirDocs)
- Reported make and model: PIPER PA23160
- Reported engine: LYC O320B3B
- People aboard: 2
- Fatal injuries: 2
- NTSB investigation: [NTSB LAX92FA374](https://openairdocs.org/ntsb/LAX92FA374) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19920902035109A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

LOST LEFT ENGINE. FEATHERED. APACH NOT GOOD ONE ENGINE. CFI AWARE IMPROPER CRANKSHAFT INSTALLATION. IGNORED SAME.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB LAX92FA374](https://openairdocs.org/ntsb/LAX92FA374), Sep 2, 1992: Piper PA-23-160 (N4305Y), Concord, CA, destroyed, 2 fatal. Probable cause: 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…

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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