CHI91LA123

NTSB accident investigation · Piper PA-20 · Grand Marais, MN · March 24, 1991

Accident · No injuriesLimited investigationFinal report
Date
March 24, 1991, 14:17 local (20:17 UTC)
Place
Grand Marais, MN
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N7010KPiper PA-20
Weather
Visual (VMC) · Day
Status
Completed · report March 31, 1993
Report
Approved by Office Director
FAA report
19910324007319A
Case key
15035

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

Failure of the pilot to maintain directional control. The crosswind and snow covered runway 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.

Loss of control - on ground/waterLanding - roll
Airport facilities,runway/landing area condition - snow coveredFactor
Weather condition - crosswindFactor
Directional control - not maintainedPilot in commandCause
On ground/water encounter with terrain/waterLanding - roll
Terrain condition - snowbank
Nose overLanding - roll

Analysis

The student pilot was landing on a snow covered runway. The aircraft encountered a crosswind, directional control was lost, and the aircraft exited the runway, impacted a snowbank, and nosed over.

Aircraft

Registration
N7010K
Reported as
Piper PA-20
Category
Airplane
Serial number
116
Engine
Lycoming O-290, 135 horsepower, reciprocating
Damage
Substantial damage
Flight
Instructional · Part 91
Operator
Verl J. Tilbury
Registered owner
Verl J. Tilbury
Airport
GRM · Devils Track, runway 27, 2,809 × 60 ft, asphalt

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
58
Certificate
Student
Medical
Class 3, Valid Medical--no waivers/lim.
Flight hours
110 total · 75 in this make and model

Weather

Conditions
Visual (VMC) · Day
Wind
230° at 5 knots
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.

Other investigations on N7010K · 1

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