SEA90LA199

NTSB accident investigation · Cessna 172N · Neilton, WA · September 29, 1990

Accident · FatalLimited investigationFinal report
Date
September 29, 1990, 16:30 local (23:30 UTC)
Place
Neilton, WA
Injuries
2 fatal
Damage
Destroyed
Phase of flight
Maneuvering
Aircraft
N738AQCessna 172N
Weather
Visual (VMC) · Day
Status
Completed · report June 22, 1992
Report
Approved by Office Director
FAA report
19900929043999A
Case key
41290

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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Probable cause

The failure of the crew to maintain adequate clearance from the terrain. Factors to the accident were mountainous and box canyon terrain.

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 collision with terrain/waterManeuvering
Terrain condition - mountainous/hillyFactor
Terrain condition - blind/box canyonFactor
Clearance - not maintainedPilot in commandCause
Clearance - not maintainedOther crewmemberCause

Analysis

First training flight for PIC in search & rescue operations. CFI on board had flown several missions. Flight was to practice contour terrain flying at aprx 80 knots and 300-400 ft AGL. Wreckage was located on the side of a box canyon about 1500 ft below the ridge line.

Aircraft

Registration
N738AQ
Reported as
Cessna 172N
Category
Airplane
Serial number
17269828
Engine
Lycoming O-320-H2AD, 160 horsepower, reciprocating
Damage
Destroyed
Fire
On-Ground
Flight
Personal · Part 91
Operator
Wurscher, David L.
Registered owner
Unknown
Departed
SHN · Shelton, WA

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.
Toxicology
Performed
Flight hours
500 total

Weather

Conditions
Visual (VMC) · Day
Visibility
10 statute miles
Lowest ceiling
None
Temperature
-0 °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.