LAX83FA456

NTSB accident investigation · Mooney M20K · Patterson, CA · September 22, 1983

Accident · FatalField investigationFinal report
Date
September 22, 1983, 08:40 local (15:40 UTC)
Place
Patterson, CA
Injuries
1 fatal
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N231GJMooney M20K
Weather
Instrument (IMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19830922050729A
Case key
23517

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

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.

In flight encounter with weatherCruise - normal
Terrain condition - high terrainFactor
Weather condition - low ceilingFactor
Weather condition - fogFactor
Weather condition - rainFactor
Vfr flight into imc - continuedPilot in commandCause
In flight collision with terrain/waterCruise
Terrain condition - mountainous/hillyFactor
Terrain condition - risingFactor

Analysis

During a x-country flt, the acft crashed into rising terrain in a semi-box canyon in the diablo range. The crash site was at an elevation of aprx 1200 ft MSL. The canyon tops ranged from 1500 to 1700 ft. according to a farmer residing 2 mi west of the accident site at 200 ft MSL, the 0830 PDT wx was foggy & rainy, mountain tops obscured, winds gusty from the northwest. The impact occurred on steep terrain with an estimated upward slope of 60 deg. No preimpact/mechanical failures were found. The plt was instrument rated, but did not file a flt plan. No record was found of a preflt wx briefing.

Aircraft

Registration
N231GJ
Reported as
Mooney M20K
Category
Airplane
Serial number
25-0234
Airframe hours
469
Engine
Continental TSIO-360GB, 210 horsepower, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Registered owner
James C. Mcgladdery
Airworthiness certificate
Standard, Normal
Last inspection
Annual · October 23, 1982 · 64 hours before
Departed
103 · Lodi, CA
Destination
VIS · Visalia, CA

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
58
Certificate
Private
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Left
Toxicology
Performed
Flight hours
1,836 total · 1,285 in this make and model · 1,756 as pilot in command · 32 in the last 90 days · 15 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Instrument (IMC) · Day
Wind
290° at 15 knots, gusting 20
Lowest ceiling
500 ft overcast
Temperature
64 °F
Altimeter
29.00 inHg

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.