SEA90FA071

NTSB accident investigation · North American Navion H · Enumclaw, WA · April 2, 1990

Accident · FatalField investigationFinal report
Date
April 2, 1990, 13:37 local (20:37 UTC)
Place
Enumclaw, WA
Injuries
1 fatal
Damage
Destroyed
Phase of flight
Maneuvering
Aircraft
N285RMNorth American Navion H
Weather
Instrument (IMC) · Day
Status
Completed · report December 30, 1992
Report
Approved by Office Director
FAA report
19900402011929A
Case key
41105

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

Pilot's inadequate preflight planning, and inadvertent flight into IMC conditions. Factors in the accident were the low ceiling and visibility weather conditions, the mountainous/hill terrain, the pilot's lack of instrument qualification and his lack of familiarity in the geographical area.

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 weatherManeuvering
Weather condition - low ceilingFactor
Vfr flight into imc - continuedPilot in commandCause
Lack of total instrument timePilot in commandFactor
Weather condition - fogFactor
Preflight planning/preparation - inadequatePilot in commandCause
Lack of familiarity with geographic areaPilot in commandFactor
Terrain condition - mountainous/hillyFactor
In flight collision with terrain/waterManeuvering

Analysis

The acft impacted mountainous/hilly terrain while maneuving in low ceiling and fog weather conditions. There was no flt plan filed and the pilot was not rated for instrument flt.

Aircraft

Registration
N285RM
Reported as
North American Navion H
Category
Airplane
Serial number
NAV-4-89
Airframe hours
2,780
Engine
Continental IO-520-BA, 285 horsepower, reciprocating
Damage
Destroyed
Fire
On-Ground
Flight
Personal · Part 91
Registered owner
Michael A. Strupat
Airworthiness certificate
Standard, Normal
Last inspection
Annual · July 1, 1989 · 53 hours before
Departed
061 · Cameron Park, CA
Destination
S50 · Auburn, 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
39
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--no waivers/lim.
Seat
Left
Toxicology
Performed
Flight hours
1,600 total

Weather

Conditions
Instrument (IMC) · Day
Wind
280° at 4 knots
Visibility
7 statute miles
Lowest ceiling
1,800 ft overcast
Temperature
52 °F, dew point 45 °F
Altimeter
30.00 inHg
Observed at
SEA, 25 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.