CHI08CA221

NTSB accident investigation · Cessna 150G · Grand Rapids, MN · July 25, 2008

Accident · Minor injuriesData collectionFinal report
Date
July 25, 2008, 15:30 local (20:30 UTC)
Place
Grand Rapids, MN
Injuries
1 minor, 1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N8668JCessna 150G
Defining event
Landing: Loss of control on ground
Weather
Visual (VMC) · Day
Status
Completed · report September 26, 2008
Report
Approved by Office Director
Case key
68757

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 failure to maintain directional control during landing. Contributing to the accident were the crosswind and wind gusts.

Findings · 3

NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.

Wind: crosswindEnvironmental issues › Conditions/weather/phenomena · Contributed to outcomeCessna 150G: 2 casesAll aircraft: 1,008 casesProbable cause
Performance/control parameters: directional controlAircraft › Aircraft oper/perf/capability · Not attained/maintainedCessna 150G: 6 casesAll aircraft: 3,958 casesProbable cause
Wind: gustsEnvironmental issues › Conditions/weather/phenomena · Contributed to outcomeCessna 150G: 1 caseAll aircraft: 1,199 casesProbable cause

Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.

Analysis

The pilot stated that during the landing approach to the runway 34, he was unable to obtain weather information from the airport's automated weather observing system (AWOS) because it was inoperative. The pilot then attempted a landing without checking "current conditions." During the landing, the airplane moved towards the right side of the runway and ground looped, which the pilot attributed to a left gusting crosswind. Post accident examination of the airplane revealed that the flaps were fully extended. The airplane sustained substantial damage, which included crushing of the left wing, bending of the horizontal stabilizer, and wrinkling of the fuselage forward of the empennage and below the aft cabin window. The pilot stated that he should have flown a low pass over the runway to check "current conditions." One of two windsocks at the airport was located about 1,000 feet down the runway. The airport's AWOS was operating at the time of the accident and recorded wind at 1735 from 290 degrees at 14 knots, gusting to 21 knots.

Factual narrative

The pilot stated that during the landing approach to the runway 34 (5,755 feet by 100 feet, dry asphalt), he was unable to obtain weather information from the airport's automated weather observing system (AWOS) because it was inoperative. The pilot then attempted a landing without checking "current conditions." During the landing, the airplane moved towards the right side of the runway and ground looped, which the pilot attributed to a left gusting crosswind. Post accident examination of the airplane revealed that the flaps were fully extended. The airplane sustained substantial damage, which included crushing of the left wing, bending of the horizontal stabilizer, and wrinkling of the fuselage forward of the empennage and below the aft cabin window. The pilot was uninjured. The pilot stated that he should have flown a low pass over the runway to check "current conditions." One of two windsocks at the airport was located about 1,000 feet down the runway. The airport's AWOS was operating at the time of the accident and recorded wind at 1735 from 290 degrees at 14 knots gusting 21 knots.

Aircraft

Registration
N8668J
Reported as
Cessna 150G
Category
Airplane
Serial number
15066568
Engine
Continental O-200, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Pilot
Airworthiness certificate
Standard, Normal
Departed
Osage, MN
Destination
GPZ · Grand Rapids, MN
Airport
runway 34, 5,755 × 100 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
60
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3
Flight hours
123 total · 77 in this make and model · 10 in the last 90 days · 10 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
290° at 14 knots, gusting 21