WPR14CA028

NTSB accident investigation · Cessna 180 · Butte, MT · October 21, 2013

Accident · No injuriesData collectionFinal report
Date
October 21, 2013, 13:00 local (19:00 UTC)
Place
Butte, MT
Injuries
4 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N156JMCessna 180
Defining event
Landing-landing roll: Loss of control on ground
Weather
Visual (VMC) · Day
Status
Completed · report April 1, 2014
Report
Approved by Office Director
NTSB office
Western Pacific Region
Parties
Federal Aviation Administration
Case key
88296

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 of the airplane while landing with a crosswind.

Findings · 4

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.

Use of equip/info: aircraft controlPersonnel issues › Task performance · PilotCessna 180: 65 casesAll aircraft: 9,295 casesProbable cause
Performance/control parameters: directional controlAircraft › Aircraft oper/perf/capability · Not attained/maintainedCessna 180: 64 casesAll aircraft: 3,958 casesProbable cause
Wind: crosswindEnvironmental issues › Conditions/weather/phenomena · Effect on operationCessna 180: 14 casesAll aircraft: 1,008 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

The pilot reported that during the stabilized approach in the tailwheel equipped airplane he was inputting the appropriate crosswind control inputs for the left crosswind condition. Upon touchdown, a gust of wind caused the airplane to ground loop to the left. Subsequently, the right wing struck the ground which resulted in substantial damage. The pilot reported no mechanical malfunctions or failures with the airplane that would have precluded normal operation.

Factual narrative

The pilot reported that during the stabilized approach in the tailwheel equipped airplane he was inputting the appropriate crosswind control inputs for the left crosswind condition. Upon touchdown, a gust of wind caused the airplane to ground loop to the left. Subsequently, the right wing struck the ground which resulted in substantial damage. The pilot reported no mechanical malfunctions or failures with the airplane that would have precluded normal operation.

Aircraft

Registration
N156JM
Reported as
Cessna 180 (UNDESIGNAT)
Category
Airplane
Serial number
32360
Built
1956
Airframe hours
7,800
Engine
Cont Motor O-470 SERIES, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Airworthiness certificate
Standard, Normal
Last inspection
Annual · May 13, 2013
Departed
MSO · Missoula, MT
Destination
BTM · Butte, MT
Airport
BTM · Bert Mooney, runway 33, 9,001 × 150 ft, asphalt
Equipment
Stall warning system

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
50
Injuries
None
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, With waivers/limitations
Last flight review
August 2, 2013
Seat
Left
Restraint
3-point
Flight hours
96.5 total · 34.2 in this make and model · 47.9 as pilot in command · 34.2 in the last 90 days · 10 in the last 30 days · 2 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
Variable at 4 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
50 °F, dew point 30 °F
Altimeter
30.21 inHg
Observed at
BTM

Docket · 1

The files NTSB released with the investigation on March 27, 2014, on NTSB’s docket system: statements, records, photos and specialists’ reports. 397 KB in all.

Other investigations on N156JM · 1

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