CEN11LA579

NTSB accident investigation · Cessna 180 · Stillwater, OK · August 16, 2011

Accident · No injuriesLimited investigationFinal report
Date
August 16, 2011, 18:45 local (23:45 UTC)
Place
Stillwater, OK
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N3316DCessna 180
Defining event
Landing-flare/touchdown: Nose over/nose down
Weather
Visual (VMC) · Day
Status
Completed · report February 16, 2012
Report
Approved by Office Director
NTSB office
Central Region
Parties
FAA Flight Standards District Office
FAA report
20110816016149A
Case key
81522

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 on-ground loss of control during the landing roll upon encountering a sudden wind shift and gust.

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.

Action: incorrect action performancePersonnel issues › Action/decision · PilotCessna 180: 4 casesAll aircraft: 1,386 casesProbable cause
Wind: sudden wind shiftEnvironmental issues › Conditions/weather/phenomena · Contributed to outcomeCessna 180: 5 casesAll aircraft: 114 casesProbable cause
Wind: gustsEnvironmental issues › Conditions/weather/phenomena · Contributed to outcomeCessna 180: 17 casesAll 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

During landing, the airplane touched down on the main wheels, and, while the tail was still in the air, the airplane started to weathervane and swerved hard to the right. The left wing struck the runway, and the airplane nosed over. A postaccident examination revealed no anomalies. According to the airport's weather reporting station, at the time of the landing, the wind shifted from 180 degrees at 3 knots to 330 degrees at 14 knots with gusts to 25 knots.

Factual narrative

On August 16, 2011, approximately 1845 central daylight time, a Cessna 180, N3316D, nosed over on landing at Stillwater Regional Airport (KSWO), Stillwater, Oklahoma. The private pilot was not injured. The airplane sustained substantial damage to both wings and the vertical stabilizer and rudder. The airplane was being operated by the pilot under the provisions of 14 Code of Federal Regulations Part 91 as a personal flight. Visual meteorological conditions prevailed for the flight, and no flight plan had been filed. The local flight originated from KSWO approximately 1730. According to the pilot, he had made 2 full stall and 3 wheel landings. The control tower cleared him for the option to runway 17. He configured the airplane for a wheel landing. The airplane touched down and during the rollout, with the tail still in the air, the airplane started to weathervane with the wind and swerved hard to the right. The left wing struck the runway and the airplane nosed over. A postaccident examination revealed no anomalies. According to the airport's weather reporting station, the wind had been from 180 degrees at 3 knots, then it shifted to 330 degrees at 14 knots, with gusts to 25 knots.

Aircraft

Registration
N3316D
Reported as
Cessna 180
Category
Airplane
Serial number
32114
Engine
Cont Motor O-470-K, 230 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
David A. Roberts
Registered owner
Russell M. Davis
Airworthiness certificate
Standard, Normal
Departed
KSWO · Stillwater, OK
Destination
KSWO · Stillwater, OK
Airport
KSWO · Stillwater Regional, runway 17, 6,002 × 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
23
Injuries
None
Certificate
Private
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 3, Without waivers/limitations
Last flight review
February 16, 2011
Seat
Left
Flight hours
171 total · 17 in this make and model · 109 as pilot in command · 28 in the last 90 days · 26 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
330° at 14 knots, gusting 25
Visibility
10 statute miles
Lowest ceiling
10,000 ft broken
Temperature
88 °F, dew point 61 °F
Altimeter
29.89 inHg
Observed at
KSWO

Docket · 2

The files NTSB released with the investigation on December 8, 2011, on NTSB’s docket system: statements, records, photos and specialists’ reports. 719 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 N3316D · 1

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