ANC16CA014

NTSB accident investigation · Cessna 180 · Sleetmute, AK · February 14, 2016

Accident · No injuriesData collectionFinal report
Date
February 14, 2016, 14:15 local (23:15 UTC)
Place
Sleetmute, AK
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N2253CCessna 180
Defining event
Landing: Collision during takeoff/land
Weather
Visual (VMC) · Day
Status
Completed · report May 3, 2016
Report
Approved by Office Director
NTSB office
Alaska Regional Office
Parties
FAA
FAA report
20160214003769A
Case key
92722

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

Probable cause

The pilot's decision to make contact with an unsuitable landing surface, resulting in a nose over.

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.

Runway/land/takeoff/taxi surface: snow/slush/ice covered surfaceEnvironmental issues › Physical environment · Decision related to conditionCessna 180: 5 casesAll aircraft: 219 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 was on a personal cross-country flight to a remote, off-airport site, in a tailwheel-equipped airplane. The pilot said that before landing he intended to fly a low pass over the snow-covered site to determine the condition of the snowpack, a maneuver commonly known as dragging the landing site. He said that as the main landing gear wheels touched down atop the frozen layer of crusty snow, the wheels broke through, and the airplane subsequently nosed over sustaining substantial damage to the left wing and vertical stabilizer. The pilot stated there were no preaccident mechanical malfunctions or anomalies that would have precluded normal operation.

Factual narrative

The pilot was on a personal cross-country flight to a remote, off-airport site, in a tailwheel-equipped airplane. In an effort to assess the suitability of the selected landing area, the pilot stated that he executed a maneuver commonly referred to as "dragging the runway." He said he made a low pass with the intention of the landing gear contacting the snow while keeping the weight of the airplane off the wheels. He said as the main landing gear wheels touched down atop the frozen layer of crusty snow, the wheels broke through, and the airplane subsequently nosed over, sustaining substantial damage to the left wing and vertical stabilizer. The pilot stated there were no preaccident mechanical malfunctions or anomalies that would have precluded normal operation.

Aircraft

Registration
N2253C
Reported as
Cessna 180
Category
Airplane
Serial number
30553
Built
1953
Airframe hours
5,900
Engine
Cont Motor O-470 SERIES, 225 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Crow Jack R
Registered owner
Crow Jack R
Airworthiness certificate
Standard, Normal
Last inspection
Annual · August 15, 2015 · 35 hours before
Departed
BET · Bethel, AK
Destination
SLQ · Sleetmute, AK
Airport
SLQ · Sleetmute
Equipment
None

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
44
Injuries
None
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Without waivers/limitations
Last flight review
January 2, 2016
Seat
Left
Restraint
3-point
Flight hours
2,000 total · 1,250 in this make and model · 2,000 as pilot in command · 6 in the last 90 days · 1 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
340° at 5 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
23 °F, dew point 16 °F
Altimeter
29.35 inHg
Observed at
PANI, 72 nm away

Docket · 1

The files NTSB released with the investigation on April 6, 2016, on NTSB’s docket system: statements, records, photos and specialists’ reports. 1.1 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.