FTW88LA098

NTSB accident investigation · Cessna 170 · Sour Lake, TX · May 9, 1988

Accident · Serious injuriesLimited investigationFinal report
Date
May 8, 1988, 21:20 local (May 9, 1988, 02:20 UTC)
Place
Sour Lake, TX
Injuries
2 serious, 1 minor
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N3853VCessna 170
Weather
Night/dark
Status
Completed · report December 3, 1989
Report
Approved by Office Director
FAA report
19880508013699A
Case key
22638

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 - fogFactor
Weather condition - low ceilingFactor
Flight into known adverse weather - performedPilot in commandCause
Lack of total experiencePilot in commandFactor
Not performedPilot in commandFactor
In flight collision with objectCruise - normal
Object - tree(s)
Proper altitude - not maintainedPilot in commandCause
Light condition - dark nightFactor
In flight collision with terrain/waterDescent - uncontrolled

Analysis

The acft struck trees and the grnd during a night cross country in marginal weather. The non-instrument rated pvt plt stated that he was flying in cruise flt at 1250' MSL when he hit trees. The closest wx station recorded 1200 overcast with 5 miles visibility, temp 74, dew pt 70. The area of the accident site was sparsely populated and known to develop fog and ragged ceilings during similar conditions. The acdt site elv was 15' and the trees were 60-100' tall. Plt rptd that his altimeter malfunctioned, however, post-accident examination and testing did no reveal any failure or malfunction in the lower altitudes. Altimeter was last calibrated and tested 17 yrs prior to the accident. The survivors were located about 16 hrs after the accident.

Aircraft

Registration
N3853V
Reported as
Cessna 170
Category
Airplane
Serial number
18740
Airframe hours
4,453
Engine
Continental C-145, 145 horsepower, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Operator
Robinson, Richard L.
Registered owner
Robinson, Richard L
Airworthiness certificate
Standard, Normal
Last inspection
Annual · August 11, 1987 · 30 hours before
Departed
DWH · Tomball, TX
Destination
BMT · Beaumont, TX

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
46
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
122 total · 31 in this make and model · 89 as pilot in command · 33 in the last 90 days · 22 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Night/dark
Wind
160° at 12 knots
Visibility
5 statute miles
Lowest ceiling
1,200 ft overcast
Temperature
73 °F, dew point 70 °F
Altimeter
29.00 inHg
Observed at
BPT, 35 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.