CHI81LA106

NTSB accident investigation · Cessna 180 · Cotton, MN · August 1, 1981

Accident · FatalLimited investigationClosed
Date
August 1, 1981, 06:15 local (11:15 UTC)
Place
Cotton, MN
Injuries
4 fatal
Damage
Destroyed
Aircraft
N4988ECessna 180
Weather
Instrument (IMC) · Day
Status
Completed · report November 6, 2001
Report
Approved by Office Director
FAA report
19810801090249A
Case key
11967

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-in-command's failure to maintain altitude and aircraft control after an encounter with instrument meteorological conditions.

Analysis

While enroute in the company of another aircraft, clouds were encountered. The aircraft continued VFR into IMC conditions. Subsequently departure from controlled flight occurred and altitude was not maintained. The aircraft impacted trees and the terrain in a remote area. The accident occurred on August 1, 1981. The aircraft was located on November 5, 1990.

Aircraft

Registration
N4988E
Reported as
Cessna 180
Category
Airplane
Serial number
30103
Engine
Continental O-470-K, 230 horsepower, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Registered owner
Irvin W. Gries
Departed
NONE · Sand Lake, MN
Destination
OSH · Oshkosh, WI

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
40
Certificate
Private
Airplane ratings
Single-engine land, Single-engine sea
Medical
Class 3, Unknown
Flight hours
207 total · 63 in this make and model

Weather

Conditions
Instrument (IMC) · Day
Wind
260° at 4 knots
Visibility
2 statute miles
Lowest ceiling
400 ft broken
Temperature
-0 °F, dew point -0 °F
Observed at
DLH, 23 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.

Other investigations on N4988E · 1

Matched to the same aircraft by N-number and date.