MKC89LA053

NTSB accident investigation · Mooney M20 · Malmo, MN · January 15, 1989

Accident · Serious injuriesLimited investigationFinal report
Date
January 15, 1989, 15:00 local (21:00 UTC)
Place
Malmo, MN
Injuries
1 serious, 1 minor
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N4096HMooney M20
Weather
Visual (VMC) · Day
Status
Completed · report June 28, 1991
Report
Approved by Office Director
FAA report
19890115000529A
Case key
34747

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 inadvertent VFR flight into instrument meteorological conditions (IMC), which resulted in his loss of aircraft control, due spatial disorientation. A related factor to the accident was: the adverse weather condition.

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
Weather condition - snowFactor
Weather condition - whiteoutFactor
Vfr flight into imc - inadvertentPilot in commandCause
Loss of control - in flightCruise
Aircraft control - not maintainedPilot in commandCause
Spatial disorientationPilot in commandCause
Lack of total instrument timePilot in commandFactor
In flight collision with terrain/waterDescent - uncontrolled
Terrain condition - water,frozen

Analysis

The non-instrument rated pilot inadvertently entered instrument flight conditions and experienced whiteout conditions. Subsequently, he lost control of the aircraft & it crashed on a frozen lake.

Aircraft

Registration
N4096H
Reported as
Mooney M20
Category
Airplane
Serial number
2500415
Airframe hours
1,252
Engine
Continental TSIO-360, 210 horsepower, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Operator
Jensen, Stephen
Registered owner
Stephen D Jensen
Airworthiness certificate
Standard, Normal
Last inspection
Annual · November 23, 1988 · 2 hours before
Departed
FCM · Eden Prairie, MN
Destination
BRD · Brainard, MN

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
34
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Left
Toxicology
Performed
Flight hours
717 total · 200 in this make and model · 717 as pilot in command · 5 in the last 90 days

Weather

Conditions
Visual (VMC) · Day
Wind
210° at 6 knots
Visibility
7 statute miles
Lowest ceiling
1,500 ft overcast
Temperature
23 °F, dew point 19 °F
Altimeter
29.00 inHg
Observed at
BRD, 40 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.