N208CH

Substantial
Serious

AEROSPATIALE AS350 B2 ES/N: 2452

Accident Details

Date
Monday, April 13, 2009
NTSB Number
ANC09LA031
Location
Haines, AK
Event ID
20090413X41353
Coordinates
59.403610, -136.419174
Aircraft Damage
Substantial
Highest Injury
Serious
Fatalities
0
Serious Injuries
1
Minor Injuries
0
Uninjured
0
Total Aboard
1

Probable Cause and Findings

The pilot's failure to maintain clearance from snow-covered terrain during the landing approach in flat light conditions.

Aircraft Information

Registration
N208CH
Make
AEROSPATIALE
Serial Number
2452
Year Built
1991
Model / ICAO
AS350 B2 E

Registered Owner (Historical)

Name
COASTAL HELICOPTERS INC
Address
8995 YANDUKIN DR
Status
Deregistered
City
JUNEAU
State / Zip Code
AK 99801-8086
Country
United States

Analysis

On April 12, 2009, about 1800 Alaska daylight time, an Aerospatiale AS-350 B2 E helicopter, N208CH, operated by Coastal Helicopters, Juneau, Alaska as a Part 91 positioning flight to pick up skiers, sustained substantial damage when it collided with a snow-covered glacier, about 32 miles northwest of Haines, Alaska. The solo airline transport certificated pilot received serious injuries. The flight originated from Mile 33 of the Haines Highway about 1750, and was en route to the Little Jarvis Glacier to pick up skiers at the bottom of the glacier. Visual meteorological conditions prevailed, and a company flight plan was in effect.

In a telephone conversation with the NTSB investigator-in-charge (IIC) on April 16, the general manager of Coastal Helicopters said the pilot had been taking skiers to various locations in the general area of the accident to ski down the slopes, and would then pick them up at the bottom. The manager related that the flight to the Little Jarvis Glacier was not the pilot's first landing at this site the day of the accident, but he approached it from a slightly different direction and at a shallower angle than previously. During the accident flight's approach to the landing site, the manager indicated the pilot told him he flew into a small, unseen rise on the glacier, hit hard, bounced about 5 feet into the air, and spun about the vertical axis three times before descending onto the glacier near the initial impact point.

The general manager said the pilot reported no mechanical problems with the helicopter prior to the accident. He also noted the pilot told him he had just flown from bright sunshine into shadow, and due to the all white surface of the glacier and flat lighting conditions, he was unable to accurately gauge his height above the glacier.

A telephone interview on April 20 with the FAA inspector from the Juneau Flight Standards District Office who interviewed the pilot on April 17, disclosed the same information. The accident pilot also submitted a written statement to the NTSB dated April 14, which was consistent with the FAA inspector's and general manager's statements. The pilot noted that there were no preaccident mechanical problems with the helicopter.

Data Source

Data provided by the National Transportation Safety Board (NTSB). For more information on this event, visit the NTSB Records Search website. NTSB# ANC09LA031