GAA18CA385

NTSB accident investigation · Piper PA18 · Anchorage, AK · June 28, 2018

Accident · No injuriesData collectionFinal report
Date
June 28, 2018, 07:15 local (15:15 UTC)
Place
Anchorage, AK
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N4714YPiper PA18
Defining event
Landing: Nose over/nose down
Weather
Visual (VMC) · Day
Status
Completed · report March 18, 2019
Report
Approved by Office Director
NTSB office
General Aviation Accidents
Parties
FAA
FAA report
20180628024109A
Case key
97633

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 overapplication of the brakes during landing, which resulted in a nose-over.

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.

Landing gear system: brakeAircraft › Aircraft systems · Incorrect use/operationPiper PA-18-150: 10 casesAll aircraft: 297 casesProbable cause
Use of equip/info: aircraft controlPersonnel issues › Task performance · PilotPiper PA-18-150: 160 casesAll aircraft: 9,295 casesProbable cause
Use of equip/info: use of equip/systemPersonnel issues › Task performance · PilotPiper PA-18-150: 20 casesAll aircraft: 1,391 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 the tundra-tire, tailwheel-equipped airplane reported that, while landing off airport on a gravel bar, he "got on the brakes a little too hard and the tail came up and the airplane flipped over." The airplane sustained substantial damage to the left wing lift strut. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.

Factual narrative

The pilot of the tundra tire, tailwheel-equipped airplane reported that, while landing off airport on a gravel bar, he "got on the brakes a little too hard and the tail came up and the airplane flipped over". The airplane sustained substantial damage to the left wing lift strut. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.

Aircraft

Registration
N4714Y
Reported as
Piper PA18 (150)
Category
Airplane
Serial number
18-8956
Built
1971
Airframe hours
2,162.68
Engine
Lycoming O-320 SERIES, 160 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Airworthiness certificate
Standard, Normal
Last inspection
Annual · February 23, 2018
Departed
AK12 · Anchorage, AK
Destination
Anchorage, AK
Equipment
Handheld GPS, Satellite tracking device

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
37
Injuries
None
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 2, Without waivers/limitations
Last flight review
July 10, 2016
Seat
Front
Restraint
4-point
Flight hours
324 total · 221 in this make and model · 263 as pilot in command · 27 in the last 90 days · 12 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
60° at 4 knots
Visibility
10 statute miles
Lowest ceiling
8,000 ft overcast
Temperature
54 °F, dew point 43 °F
Altimeter
29.82 inHg
Observed at
PAUO, 21 nm away

Docket · 2

The files NTSB released with the investigation on October 4, 2018, on NTSB’s docket system: statements, records, photos and specialists’ reports. 991 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 N4714Y · 1

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