ANC08LA131

NTSB accident investigation · Dehavilland Beaver DHC · Cooper Landing, AK · September 28, 2008

Accident · No injuriesLimited investigationFinal report
Date
September 28, 2008, 14:00 local (22:00 UTC)
Place
Cooper Landing, AK
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N203KLDehavilland Beaver DHC
Defining event
Landing: Collision during takeoff/land
Weather
Visual (VMC) · Day
Status
Completed · report July 28, 2009
Report
Approved by Office Director
NTSB office
Alaska Regional Office
Parties
FAA, FSDO-03
Case key
69347

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 separation from a tree during the landing roll at an off-airport site.

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.

Use of equip/info: aircraft controlPersonnel issues › Task performance · PilotAll aircraft: 9,295 casesProbable cause
Object/animal/substance: tree(s)Environmental issues › Physical environment · Response/compensationAll 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

The airline transport pilot was making an off-airport landing on a glacier with passengers under Title 14 Code of Federal Regulations Part 135. During the landing the left wing struck a tree, resulting in substantial damage. The pilot reported there were no mechanical problems with the airplane prior to the accident.

Factual narrative

On September 28, 2008, about 1400 Alaska daylight time, a DeHavilland DHC-2 Beaver airplane, N203KL, sustained substantial damage when it struck a tree during landing on Skilak glacier, about 24 miles southwest of Cooper Landing, Alaska. The airplane was being operated by Alaska Air Taxi LLC, Anchorage, Alaska, as a visual flight rules (VFR) on-demand air taxi flight under Title 14, CFR Part 135, when the accident occurred. The airline transport pilot and passenger were not injured. Visual meteorological conditions prevailed, and company flight following procedures were in effect. The airplane departed Anchorage about 1300. During a telephone conversation with the National Transportation Safety Board (NTSB) investigator-in-charge (IIC) on September 28, the pilot said the airplane's left wing struck a tree during the landing roll. According to the pilot, there were no mechanical problems with the airplane prior to the accident. The airplane's left wing received substantial damage during the accident. The pilot did not submit an NTSB Pilot/Operator accident report as required under CFR Part 830.

Aircraft

Registration
N203KL
Reported as
Dehavilland Beaver DHC
Category
Airplane
Serial number
1460
Engine
P&W R-985 SERIES, 450 horsepower, reciprocating
Damage
Substantial damage
Flight
Part 135
Operator
Alaska Air Taxi, LLC, doing business as Alaska Air Taxi
Registered owner
Sonday Terrance Paul
Airworthiness certificate
Standard, Normal
Departed
LHD · Anchorage, AK
Destination
Cooper Landing, AK
Flight plan
Company VFR

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
61
Injuries
None
Certificates
Commercial, Airline transport
Airplane ratings
Multi-engine land, Single-engine sea, Single-engine land
Medical
Class 2, With waivers/limitations
Seat
Left

Weather

Conditions
Visual (VMC) · Day

Docket · 1

The files NTSB released with the investigation on June 17, 2009, on NTSB’s docket system: statements, records, photos and specialists’ reports. 68 KB in all.