WPR10CA333

NTSB accident investigation · Cessna 180 · Missoula, MT · July 1, 2010

Accident · No injuriesData collectionFinal report
Date
July 1, 2010, 16:30 local (22:30 UTC)
Place
Missoula, MT
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N3642CCessna 180
Defining event
Landing-landing roll: Loss of control on ground
Weather
Visual (VMC) · Day
Status
Completed · report October 21, 2010
Report
Approved by Office Director
NTSB office
Western Pacific Region
Parties
Federal Aviation Administration
FAA report
20100701039019A
Case key
76549

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 inadequate compensation for the crosswind conditions and failure to maintain directional control during the landing roll.

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.

Performance/control parameters: directional controlAircraft › Aircraft oper/perf/capability · Not attained/maintainedCessna 180: 64 casesAll aircraft: 3,958 casesProbable cause
Use of equip/info: aircraft controlPersonnel issues › Task performance · PilotCessna 180: 65 casesAll aircraft: 9,295 casesProbable cause
Wind: crosswindEnvironmental issues › Conditions/weather/phenomena · Response/compensationCessna 180: 14 casesAll aircraft: 1,008 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 reported that during the landing roll the airplane encountered a gust of wind. The airplane veered to the right and the left wing scraped the ground. The airplane sustained substantial damage to the left wing, left wing rear spar, and left horizontal stabilizer. The pilot reported the wind as 350 degrees at 20 knots.

Factual narrative

In a written statement to the Federal Aviation Administration, the pilot reported that during the landing roll the airplane was struck by a gust of wind. The airplane veered to the right and the left wing scraped the ground. The airplane sustained substantial damage to the left wing, left wing rear spar, and left horizontal stabilizer. The pilot reported the wind as 350 degrees at 20 knots. Despite repeated attempts to obtain a Pilot/Operator Aircraft Accident/Incident Report Form (Form 6120.1) from the pilot, to this date this form has not yet been received by the Safety Board.

Aircraft

Registration
N3642C
Reported as
Cessna 180
Category
Airplane
Serial number
31140
Engine
Cont Motor O-470 SERIES, 230 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Paul E. Iverson
Registered owner
Paul E. Iverson
Airworthiness certificate
Standard, Normal
Departed
8S1 · Polson, MT
Destination
KMSO · Missoula, MT
Flight plan
Unknown
Airport
KMSO · Missoula, runway 29, 9,501 × 150 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
61
Injuries
None
Certificates
Flight instructor, Commercial
Airplane ratings
Single-engine land, Multi-engine land, Single-engine sea
Instrument ratings
Airplane
Medical
Class 2, With waivers/limitations
Flight hours
17,000 total · 7,000 in this make and model

Weather

Conditions
Visual (VMC) · Day
Wind
310° at 9 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
77 °F, dew point 45 °F
Altimeter
29.89 inHg
Observed at
KMSO

Docket · 2

The files NTSB released with the investigation on August 3, 2010, on NTSB’s docket system: statements, records, photos and specialists’ reports. 47 KB in all.

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 N3642C · 2

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