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Aviation safety reports, made easier to study

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March 14, 2009 · Helio H-295 · N6478V

Healy, AK

Overview

Report Status
Final with probable cause
Event Type
Accident
Date
March 14, 2009
Injury Outcomes
No injuries (3 uninjured)
Location
Healy, AK
Aircraft
Helio H-295
Tail Number
N6478V
Operator
Wright Air Service
Injuries
None
Aircraft Damage
Substantial
NTSB Number
ANC09LA023

The airline transport pilot was on an on-demand air taxi passenger flight in a ski-equipped airplane. The pilot said that the accident occurred while he was packing snow at the landing site by laying down tracks with the airplane's skis in preparation for landing. During the last pass, he said that as the airplane lifted off the snow, the wings encountered high brush; when he pulled back on the elevator control to clear the brush, he said that he believed that the tail ski contacted the snow and dragged the airplane down into the brush. The pilot said that there were no known mechanical problems with the airplane prior to the accident. The fuselage and empennage sustained structural damage during the encounter with brush and terrain.

NTSB Probable Cause

The pilot's delay in initiating a climb while he was packing snow with the airplane's skis in preparation for landing, resulting in a collision with brush.

Full Narrative

On March 13, 2009, about 1600 Alaska daylight time, a ski-equipped Helio H-295 airplane, N6478V, sustained substantial damage when it impacted terrain while laying down tracks to pack snow on the snow-covered terrain prior to landing, at the Stampede airstrip, about 42 miles west of Healy, Alaska. The airplane was operated by Wright Air Service, Inc., Fairbanks, Alaska, as a visual flight rules (VFR), on-demand passenger flight under Title 14, CFR Part 135, when the accident occurred. The airline transport pilot and two passengers were not injured. Visual meteorological conditions prevailed, and a VFR flight plan was filed. The flight departed Fairbanks, Alaska, about 1510. During a telephone conversation with the National Transportation Safety Board (NTSB) investigator-in-charge (IIC) on March 14, the pilot said he was laying down tracks with the airplane's ski's to pack the snow on the airstrip prior to landing. He said when the airplane lifted off the snow, the wings encountered high brush, and he pulled back on the elevator control to clear the brush. He said as he did so, he believed the tail ski contacted the snow and dragged the airplane down into the brush. The pilot said there were no known mechanical problems with the airplane prior to the accident. The fuselage and empennage sustained structural damage during the encounter with brush and terrain.

Flight

Event TypeAccident
Event Time16:00 AKDT
Nearest AirportSTAMPEDE (0nm)
Runway33
Flight Plan FiledVFR
Flight Plan ActivatedYes
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftHelio H-295
Tail NumberN6478V
Aircraft CategoryAir
DamageSubstantial
OperatorWright Air Service
Operating RulePart 135
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · GO-480 SERIES · Reciprocating · 295
Seats6

People & Injuries

Injury SummaryNo injuries (3 uninjured)
Fatal0
Serious0
Minor0
Uninjured3
Total3
Crew 1Age 37 · First Class · None

Conditions

ConditionsVMC
LightDaylight
Wind8 kt
Visibility10 sm
CeilingNone
Temperature / Dew Point-20 C / 0 C
Altimeter0
Weather SourcePILO

Appendix: Source Data