GAA19CA530

NTSB accident investigation · Piper PA 18 · Chickaloon, AK · September 1, 2019

Accident · No injuriesData collectionFinal report
Date
September 1, 2019, 10:45 local (18:45 UTC)
Place
Chickaloon, AK
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N72842Piper PA 18
Defining event
Landing-landing roll: Nose over/nose down
Weather
Visual (VMC) · Day
Status
Completed · report March 17, 2020
Report
Approved by Office Director
NTSB office
General Aviation Accidents
Parties
FAA
FAA report
20190901014689A
Case key
100219

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 selection of unsuitable terrain for landing and the pilot's improper pitch control during the landing roll 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.

Performance/control parameters: pitch controlAircraft › Aircraft oper/perf/capability · Not attained/maintainedAll aircraft: 526 casesProbable cause
Info processing/decision: decision making/judgmentPersonnel issues › Action/decision · PilotAll aircraft: 3,098 casesProbable cause
Terrain: rough terrainEnvironmental issues › Physical environment · Effect on operationAll aircraft: 442 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 tailwheel equipped airplane reported that, he was landing for a second time on an uphill, 500 ft gravel strip. He completed a 3-point landing and applied full aft pressure on the control stick. During the bumpy landing roll, about 200 ft from the touchdown point, the tail went up in the air, and he tried to increase the throttle setting to full, but the airplane nosed over. The airplane sustained substantial damage to the right-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 tailwheel equipped airplane reported that, he was landing for a second time on an uphill, 500 ft gravel strip. He completed a 3-point landing and applied full aft pressure on the control stick. During the bumpy landing roll, about 200 ft from the touchdown point, the tail went up in the air, and he tried to increase the throttle setting to full, but the airplane nosed over. The airplane sustained substantial damage to the right-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
N72842
Reported as
Piper PA 18 (105 SPECIA)
Category
Airplane
Serial number
18-192
Built
1950
Airframe hours
6,603
Engine
Lycoming O-320-A2B, 150 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Airworthiness certificate
Standard, Normal
Last inspection
Annual · September 1, 2019
Departed
PAQ · Palmer, AK
Destination
Chickaloon, AK
Equipment
Handheld GPS, Electronic flight bag or handheld device

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
33
Injuries
None
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 1, Without waivers/limitations
Last flight review
July 4, 2019
Seat
Front
Flight hours
568 total · 117 in this make and model · 527 as pilot in command · 116 in the last 90 days · 42 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
40° at 7 knots
Visibility
10 statute miles
Lowest ceiling
9,000 ft overcast
Temperature
59 °F, dew point 45 °F
Altimeter
29.72 inHg
Observed at
PAAQ, 16 nm away

Docket · 2

The files NTSB released with the investigation on January 22, 2020, on NTSB’s docket system: statements, records, photos and specialists’ reports. 1.4 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.