ANC14CA086

NTSB accident investigation · Miller Gregory S Bushwacker · Iliamna, AK · September 22, 2014

Accident · No injuriesData collectionFinal report
Date
September 21, 2014, 17:30 local (Sep 22, 2014, 01:30 UTC)
Place
Iliamna, AK
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N9013UMiller Gregory S Bushwacker
Defining event
Landing: Loss of control in flight
Weather
Visual (VMC) · Day
Status
Completed · report November 13, 2014
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
20140922017669A
Case key
90134

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 control on landing, resulting in the collision with terrain.

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: lateral/bank controlAircraft › Aircraft oper/perf/capability · Not attained/maintainedMiller Gregory S BUSHWACKER: 1 caseAll aircraft: 390 casesProbable cause
Wind: gustsEnvironmental issues › Conditions/weather/phenomena · Effect on operationMiller Gregory S BUSHWACKER: 1 caseAll aircraft: 1,199 cases

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

According to the pilot, the airplane was on stabilized approach to an airstrip. About 10-15 feet above the ground, the airplane encountered a gust of wind that caused a roll to the right. The right wing tip collided with the ground. The pilot decreased engine power and the left wing and left gear leg collided with the ground. The pilot reported no preaccident mechanical malfunctions or anomalies that would precluded normal operation.

Factual narrative

According to the pilot, the airplane was on stabilized approach to an airstrip. About 10-15 feet above the ground, the airplane encountered a gust of wind that caused a roll to the right. The right wing tip collided with the ground. The pilot decreased engine power and the left wing and left gear leg collided with the ground. The pilot reported no preaccident mechanical malfunctions or anomalies that would precluded normal operation.

Aircraft

Registration
N9013U
Reported as
Miller Gregory S Bushwacker (NO SERIES)
Category
Airplane, amateur-built
Serial number
001
Built
2004
Airframe hours
1,900
Engine
Lycoming O-360-C1A, 180 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Condition · May 31, 2014 · 85 hours before
Departed
Iliamna, AK
Destination
Iliamna, AK
Equipment
Handheld GPS

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
51
Injuries
None
Certificate
Commercial
Airplane ratings
Single-engine sea, Single-engine land
Instrument ratings
Airplane
Medical
Class 3, Without waivers/limitations
Last flight review
May 1, 2014
Seat
Left
Flight hours
3,000 total · 1,900 in this make and model · 100 in the last 90 days · 60 in the last 30 days · 8 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
Variable at 25 knots, gusting 35
Visibility
50 statute miles
Temperature
50 °F
Turbulence
Light
Observed at
PAIL, 17 nm away

Docket · 1

The files NTSB released with the investigation on November 3, 2014, on NTSB’s docket system: statements, records, photos and specialists’ reports. 855 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.