- Date
- June 6, 1993, 11:50 local (18:50 UTC)
- Place
- Diablo, CA
- Injuries
- 2 fatal
- Damage
- Destroyed
- Phase of flight
- Enroute
- Aircraft
- N522TPiper PA-23-150
- Weather
- Instrument (IMC) · Day
- Status
- Completed · report November 19, 1993
- Report
- Approved by Office Director
- FAA report
- 19930606017039A
- Case key
- 27832
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
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.
Sequence of events
NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.
Analysis
The airplane collided with mountainous terrain in a near wings level attitude during instrument meteorological conditions. Witnesses reported normal engine sounds when the airplane flew over their location. There was no record of the pilot obtaining a weather briefing prior to his departure. There were no mechanical failures or malfunctions found during an exam of the aircraft wreckage. Both propeller's showed chordwise scratches and 's' bending.
Aircraft
- Registration
- N522T
- Reported as
- Piper PA-23-150
- Category
- Airplane
- Serial number
- 23-1067
- Engine
- Lycoming O-320, 150 horsepower, reciprocating
- Damage
- Destroyed
- Fire
- On-Ground
- Flight
- Personal · Part 91
- Operator
- Norman E. Lamantia
- Registered owner
- Norman E. Lamantia
- Airworthiness certificate
- Standard, Normal
- Last inspection
- Annual · March 4, 1993
- Departed
- APC · Napa, CA
- Destination
- RHV · San Jose, CA
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 59
- Certificate
- Commercial
- Airplane ratings
- Single-engine land, Multi-engine land
- Instrument ratings
- Airplane
- Medical
- Class 2, Valid Medical--w/ waivers/lim
- Seat
- Left
- Toxicology
- Performed
- Flight hours
- 1,119 total · 986 as pilot in command · 18 in the last 90 days · 3 in the last 30 days
Weather
- Conditions
- Instrument (IMC) · Day
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.