# Accident 19930606017039A: Piper PA23150, Diablo, CA, June 6, 1993

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: June 6, 1993, 11:50 local time
- Place: Diablo, CA
- Damage: Destroyed
- Phase of flight: Unauth Low Level Opns
- Operating rules: General operating rules (Part 91)
- Location: 37.8494° N, 121.9506° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=37.8494&lon=-121.9506&mi=10
- Aircraft: N522T, a cancelled registration (https://openairdocs.org/deregistered/N522T-2013-08-15) (OpenAirDocs)
- Registry model: Piper PA-23-150 (registry code 7102303, https://openairdocs.org/model/piper-pa-23-150) (OpenAirDocs)
- Registry engine: Lycoming 0-320 series (registry code 41508, https://openairdocs.org/engine/lycoming-0-320-series) (OpenAirDocs)
- Reported make and model: PIPER PA23150
- Reported engine: LYC O320B3B
- People aboard: 2
- Fatal injuries: 2
- Pilot flight hours: 1,119 total, 18 in the last 90 days
- NTSB investigation: [NTSB LAX93FA242](https://openairdocs.org/ntsb/LAX93FA242) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19930606017039A

## Narrative

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

FLEW INTO VERTICAL ROCK CLIFF ON A MOUNTAINSIDE IN IMC IN DENSE FOG. NO RECORD WEATHER BRIEFING.

## 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 LAX93FA242](https://openairdocs.org/ntsb/LAX93FA242), Jun 6, 1993: Piper PA-23-150 (N522T), Diablo, CA, destroyed, 2 fatal. Probable cause: THE PILOT IN COMMAND'S CONTINUED FLIGHT INTO INSTRUMENT METEOROLOGICAL CONDITIONS, AND THE IMPROPER IN FLIGHT PLANNING AND DECISION MAKING BY THE PILOT.

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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