LAX85FA086

NTSB accident investigation · Cessna 172N · Livermore, CA · December 26, 1984

Accident · FatalField investigationFinal report
Date
December 26, 1984, 11:06 local (19:06 UTC)
Place
Livermore, CA
Injuries
1 fatal
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N5184DCessna 172N
Weather
Instrument (IMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19841226068059A
Case key
24449

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

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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
Weather condition - low ceilingFactor
Preflight planning/preparation - improperPilot in commandFactor
Overconfidence in personal abilityPilot in commandFactor
Weather condition - rainFactor
In-flight planning/decision - improperPilot in commandCause
Flight into known adverse weather - intentionalPilot in commandCause
Lack of total instrument timePilot in commandFactor
Judgment - poorPilot in commandFactor
In flight collision with terrain/waterCruise - normal
Terrain condition - mountainous/hillyFactor

Analysis

The non-instrument rated pilot departed the arpt on a special VFR clearance. Wx at the time was 1,000 overcast, 2.5 miles in light rain and fog. Acft turned eastbound following a highway toward a pass in the hills to the east and collided with the rising terrain about mid-way through the pass. Witnesses driving on the highway reported the pass was obscured in 'clouds, fog and rain' at the time of the accident.

Aircraft

Registration
N5184D
Reported as
Cessna 172N
Category
Airplane
Serial number
17272440
Airframe hours
1,868
Engine
Lycoming O-320-H2AD, 160 horsepower, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Operator
Travis Afb Aero Club
Registered owner
Robert C. St. Denis
Airworthiness certificate
Standard, Normal
Last inspection
Annual · September 20, 1984 · 91 hours before
Departed
LVK · Livermore, CA
Destination
8Q0 · Travis Afb, 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
25
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--no waivers/lim.
Seat
Left
Toxicology
Performed
Flight hours
107 total · 105 in this make and model · 70 as pilot in command · 9 in the last 90 days · 6 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Instrument (IMC) · Day
Wind
80° at 10 knots
Visibility
2 statute miles
Lowest ceiling
3,000 ft overcast
Altimeter
29.00 inHg
Observed at
LVK, 8 nm away

FAA reports on this event · 1

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