WPR11CA464

NTSB accident investigation · Cessna 180 · Orcas Island, WA · September 24, 2011

Accident · No injuriesData collectionFinal report
Date
September 24, 2011, 15:05 local (22:05 UTC)
Place
Orcas Island, WA
Injuries
3 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N9361CCessna 180
Defining event
Landing-landing roll: Loss of control on ground
Weather
Visual (VMC) · Day
Status
Completed · report December 1, 2011
Report
Approved by Office Director
NTSB office
Western Pacific Region
Parties
Federal Aviation Administration
FAA report
20110924022129A
Case key
81885

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, which resulted in a ground loop.

Findings · 2

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

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 he lost control of the airplane, which resulted in a ground loop to the right. A postaccident examination of the airplane revealed damage to the left wing and aileron. The pilot reported no preimpact mechanical malfunctions with the airplane that would have precluded normal operation.

Factual narrative

The pilot reported that during the landing roll he lost control of the airplane, which resulted in a ground loop to the right. A post accident examination of the airplane revealed damage to the left wing and aileron. The pilot reported no preimpact mechanical malfunctions with the airplane. About 10 minutes after the accident, the wind was reported as calm.

Aircraft

Registration
N9361C
Reported as
Cessna 180 (UNDESIGNAT)
Category
Airplane
Serial number
31759
Airframe hours
3,806
Engine
Continental Motors O-470K, 230 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Maynard L Haverly
Registered owner
Maynard L Haverly
Airworthiness certificate
Standard, Normal
Last inspection
Annual · June 28, 2011 · 3 hours before
Departed
S36 · Kent, WA
Destination
ORS · Orcas Island, WA
Airport
ORS · Orcas Island Airport, runway 16, 2,900 × 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
63
Injuries
None
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, With waivers/limitations
Last flight review
September 8, 2010
Seat
Left
Flight hours
446 total · 164 in this make and model · 386 as pilot in command · 3 in the last 90 days · 3 in the last 30 days · 2 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
10 statute miles
Lowest ceiling
None
Temperature
63 °F, dew point 57 °F
Altimeter
29.64 inHg
Observed at
ORS

Docket · 2

The files NTSB released with the investigation on October 26, 2011, on NTSB’s docket system: statements, records, photos and specialists’ reports. 1.3 MB 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.