SEA91FA144

NTSB accident investigation · Piper PA-28-180 · Mullan, ID · October 14, 1990

Accident · FatalField investigationFinal report
Date
October 14, 1990, 15:00 local (21:00 UTC)
Place
Mullan, ID
Injuries
1 fatal
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N4924LPiper PA-28-180
Weather
Instrument (IMC) · Day
Status
Completed · report May 10, 1993
Report
Approved by Office Director
FAA report
19901014065669A
Case key
41324

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 pilot's VFR flight into instrument meteorological conditions (IMC). The adverse weather and terrain conditions were related factors.

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
Terrain condition - high terrainFactor
Weather condition - fogFactor
Weather condition - obscurationFactor
Vfr flight into imc - inadvertentPilot in commandCause
In flight collision with terrain/waterManeuvering
Terrain condition - mountainous/hillyFactor

Analysis

The aircraft was on a VFR flight from bozeman, MT, to spokane, WA. The last communications with the aircraft were when it crossed missoula, MT. The wreckage was found later near the summit of lost trail pass, near Mullan, ID. Mountain tops were reported obscured during the approximate time frame that the aircraft would have been in the vicinity. No preimpact part failure of the aircraft/engine was reported.

Aircraft

Registration
N4924L
Reported as
Piper PA-28-180
Category
Airplane
Serial number
28-4290
Airframe hours
3,143
Engine
Lycoming O-360-A4A, 180 horsepower, reciprocating
Damage
Destroyed
Flight
Business · Part 91
Operator
Allen D. Harris, Jr.
Last inspection
Annual · April 6, 1990 · 73 hours before
Departed
BZN · Bozeman, MT
Destination
SFF · Spokane, WA
Flight plan
VFR

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
42
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--no waivers/lim.
Flight hours
524 total · 250 in this make and model · 479 as pilot in command · 11 in the last 90 days · 5 in the last 30 days

Weather

Conditions
Instrument (IMC) · Day
Wind
Calm
Temperature
-0 °F, dew point -0 °F
Observed at
S06

FAA reports on this event · 1

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