GAA16CA273

NTSB accident investigation · Piper PA 18 · Shulin Lake, AK · May 29, 2016

Accident · Minor injuriesData collectionFinal report
Date
May 29, 2016, 10:00 local (18:00 UTC)
Place
Shulin Lake, AK
Injuries
2 minor
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N6966DPiper PA 18
Defining event
Landing: Collision during takeoff/land
Weather
Visual (VMC) · Day
Status
Completed · report October 27, 2016
Report
Approved by Office Director
NTSB office
General Aviation Accidents
Parties
Federal Aviation Administration
FAA report
20160529025309A
Case key
93297

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 clearance from trees during final approach.

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.

Attention/monitoring: monitoring environmentPersonnel issues › Psychological · PilotAll aircraft: 809 casesProbable cause
Performance/control parameters: altitudeAircraft › Aircraft oper/perf/capability · Not attained/maintainedAll aircraft: 1,310 casesProbable cause
Object/animal/substance: tree(s)Environmental issues › Physical environment · Effect on operationAll aircraft: 933 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

According to the pilot, on short final during landing, he thought that he had cleared the trees on the approach end of the private airstrip. He reported that he aimed for his landing spot, but the propeller struck a tree and the airplane impacted the ground. The airplane sustained substantial damage to the both wings and the fuselage. The pilot reported that there were no mechanical anomalies or malfunctions during the flight with any portion of the airplane that would have prevented normal flight operations.

Factual narrative

According to the pilot, on short final during landing, he thought that he had cleared the trees on the approach end of the private airstrip. He reported that he aimed for his landing spot, but the propeller struck a tree and the airplane impacted the ground. The airplane sustained substantial damage to the both wings and the fuselage. The pilot reported that there were no mechanical anomalies or malfunctions during the flight with any portion of the airplane that would have prevented normal flight operations.

Aircraft

Registration
N6966D
Reported as
Piper PA 18 (A-150)
Category
Airplane
Serial number
18-5547
Built
1957
Airframe hours
5,862
Engine
Lycoming 0-360-A4P, 180 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Ak Ac LLC
Registered owner
Ak Ac LLC
Airworthiness certificate
Standard, Normal
Last inspection
Annual · July 1, 2015
Departed
Anchorage, AK
Destination
Shulin Lake, AK
Equipment
Handheld GPS

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
67
Injuries
Minor
Certificate
Private
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 3, Without waivers/limitations
Last flight review
May 11, 2015
Seat
Front
Restraint
4-point
Flight hours
837 total · 275 in this make and model · 567 as pilot in command

Weather

Conditions
Visual (VMC) · Day
Wind
300° at 4 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
57 °F, dew point 41 °F
Altimeter
29.94 inHg
Observed at
ANC, 61 nm away

Docket · 2

The files NTSB released with the investigation on September 22, 2016, on NTSB’s docket system: statements, records, photos and specialists’ reports. 2.1 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.