# Accident 19890804027359A: Piper STCPA23, Lancaster, CA, August 4, 1989

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 4, 1989, 12:40 local time
- Place: Lancaster, CA
- Airport: Gen Wm J Fox Airfield Airport
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: General operating rules (Part 91)
- Location: 34.7207° N, 118.1507° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=34.7207&lon=-118.1507&mi=10
- Aircraft: N4376P, a cancelled registration (https://openairdocs.org/deregistered/N4376P-1991-03-28) (OpenAirDocs)
- Registry model: Piper PA-23-160 (registry code 7102304, https://openairdocs.org/model/piper-pa-23-160) (OpenAirDocs)
- Reported make and model: PIPER STCPA23
- Reported engine: LYC O360A1D
- Fatal injuries: 0
- Pilot flight hours: 1,159 total, 155 in this make and model, 3 in the last 90 days
- NTSB investigation: [NTSB LAX89LA263](https://openairdocs.org/ntsb/LAX89LA263) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19890804027359A

## Narrative

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

ON TEST FLIGHT UNABLE TO UNFEATHER LEFT ENGINE THAT HAS HYDRAULIC PUMP. LACKED KNOWLEDGE OF ALTERNATE PROCEDURES.

## 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 LAX89LA263](https://openairdocs.org/ntsb/LAX89LA263), Aug 4, 1989: Piper PA-23-180 (N4376P), Lancaster, CA, substantial damage. Probable cause: THE PILOT'S FAILURE TO FOLLOW ESTABLISHED PROCEDURES IN RESTARTING THE ENGINE THAT DRIVES THE HYDRUALIC PUMP AND HIS FAILURE TO FOLLOW PUBLISHED EMERGENCY LANDING GEAR EXTENSION PROCEDURES. THE…

## Other reports on N4376P (1)

Matched to the same aircraft by N-number and date.

- [Incident 19790223007209I](https://openairdocs.org/incident/19790223007209I), Feb 23, 1979: Piper PA23160 (N4376P), Las Vegas, NV, Minor damage. Aircraft contacted runway with gear retracted. Go around and uneventful landing

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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