WPR20CA233

NTSB accident investigation · Cessna 180 · Bear Valley, AK · July 20, 2020

Accident · No injuriesClass 4 · Data collectionFinal report
Date
July 19, 2020, 19:30 local (Jul 20, 2020, 03:30 UTC)
Place
Bear Valley, AK
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Taxi
Aircraft
N2929CCessna 180
Defining event
Taxi: Nose over/nose down
Weather
Day
Status
Completed
Report
Approved by Office Director
Investigation class
Class 4 - Basic report with no Prelim publish
NTSB office
Western Pacific Region
Parties
FAA
FAA report
20200719010589A
Case key
101654

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 over application of brakes during taxi, which resulted in a nose over.

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.

Landing gear system: brakeAircraft › Aircraft systems · Incorrect use/operationCessna 180: 5 casesAll aircraft: 297 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 of a tailwheel-equipped airplane reported that, after landing on a gravel runway, he was taxiing with speed to the turnaround point. He applied brakes, the tail of the airplane came up and the airplane nosed over. The airplane sustained substantial damage to the left wing and vertical stabilizer. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.

Aircraft

Registration
N2929C
Reported as
Cessna 180 (Undesignat)
Category
Airplane
Serial number
30829
Built
1954
Airframe hours
5,689
Engine
Continental O-520, 265 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Airworthiness certificate
Standard, Normal
Last inspection
Annual · October 29, 2019
Departed
AQY · Girdwood, AK
Destination
MRI · Anchorage, AK
Airport
PVT · Bear Valley
Equipment
Handheld GPS, 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
22
Injuries
None
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Without waivers/limitations
Last flight review
March 1, 2020
Seat
Left
Restraint
4-point
Flight hours
637 total · 152 in this make and model · 583 as pilot in command · 42 in the last 90 days · 12 in the last 30 days

Weather

Conditions
Day
Wind
270° at 4 knots
Visibility
10 statute miles
Lowest ceiling
12,000 ft overcast
Temperature
66 °F, dew point 52 °F
Altimeter
29.80 inHg
Observed at
PAMR, 10 nm away

Docket · 2

The files NTSB released with the investigation on October 9, 2020, on NTSB’s docket system: statements, records, photos and specialists’ reports. 948 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 N2929C · 1

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