LAX84LA149

NTSB accident investigation · Cessna 172M · Kelseyville, CA · January 21, 1984

Accident · Serious injuriesLimited investigationFinal report
Date
January 20, 1984, 20:30 local (Jan 21, 1984, 04:30 UTC)
Place
Kelseyville, CA
Injuries
3 serious
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N5154HCessna 172M
Weather
Instrument (IMC) · Night/dark
Status
Completed
Report
Approved by Office Director
FAA report
19840120002489A
Case key
24148

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
Flight into known adverse weather - continuedPilot in commandCause
Weather condition - low ceilingFactor
Weather condition - fogFactor
Light condition - dark nightFactor
Became lost/disoriented - inadvertentPilot in command
In flight collision with terrain/waterManeuvering - turn to reverse direction
Terrain condition - mountainous/hillyFactor
Object - tree(s)

Analysis

The plt became disoriented while in IMC and could not locate the arpt. The ple stated that due to lights on the ground he thought that he was over the peninsula, which is an area of low terrain. He attempted a 180 deg turn after descendingto 500 ft MSL. The acft collided with trees near konocti harbor, from which the mountain rises abruptly and steeply. The plt stated that he was much closer to the mountain than he thought.

Aircraft

Registration
N5154H
Reported as
Cessna 172M
Category
Airplane
Serial number
17265352
Airframe hours
2,612
Engine
Lycoming O-320-E2D, 150 horsepower, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Registered owner
Samuel J. Johnson
Airworthiness certificate
Standard, Utility; Standard, Normal
Last inspection
100 hour · October 23, 1983 · 35 hours before
Departed
203 · Angwin, CA
Destination
102 · Lakeport, 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
51
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
114 total · 114 in this make and model · 52 as pilot in command · 28 in the last 90 days · 19 in the last 30 days · 3 in the last 24 hours

Weather

Conditions
Instrument (IMC) · Night/dark
Wind
330° at 5 knots
Temperature
34 °F, dew point -0 °F

FAA reports on this event · 1

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