ASN Wikibase Occurrence # 276558
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Date: | Tuesday 15 March 2022 |
Time: | 14:00 LT |
Type: | Aerospatiale AS 350D Astar |
Owner/operator: | Alpine Air Alaska LLC |
Registration: | N99676 |
MSN: | 1542 |
Year of manufacture: | 1982 |
Total airframe hrs: | 16258 hours |
Engine model: | Honeywell LTS101-600A3A |
Fatalities: | Fatalities: 0 / Occupants: 1 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Valdez, AK -
United States of America
|
Phase: | Approach |
Nature: | Ferry/positioning |
Departure airport: | 16 Mile, AK |
Destination airport: | Tsania Valley, AK |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:The pilot reported that the helicopter was being used to transport skiers in support of a commercial Heli-ski operation when the helicopter inadvertently collided with terrain while maneuvering to land on the glacier.
The pilot stated that while on approach to an area to pick up a group of skiers, flat light conditions made it difficult to discern topographical features on the snow-covered, featureless, glacial terrain. The pilot said that during the approach, he inadvertently allowed the helicopter to descend below his intended approach path, and the helicopter touched down short of his intended landing site. The helicopter subsequently rolled to the left and the main rotor blades struck the snow-covered terrain. The helicopter sustained substantial damage to the main rotor blades, tail rotor blades, tail boom, and fuselage.
The pilot reported that there were no pre-accident mechanical malfunctions or failures with the helicopter that would have precluded normal operation.
Probable Cause: The pilot's failure to maintain a proper approach path in flat light conditions, which resulted in landing short of the intended landing spot and impact with terrain.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | ANC22LA023 |
Status: | Investigation completed |
Duration: | 3 months |
Download report: | Final report |
|
Sources:
NTSB ANC22LA023
FAA register:
https://registry.faa.gov/aircraftinquiry/Search/NNumberResult?NNumbertxt=99676
History of this aircraft
Other occurrences involving this aircraft
11 March 1994 |
C-GHAQ |
Les Helicopteres Abitibi Ltee |
0 |
86 miles w of Attiwapiskat |
|
unk |
24 October 1999 |
C-GHAQ |
Four Seasons Aviation Ltd. |
0 |
Brampton airport (CNC3) |
|
unk |
Location
Revision history:
Date/time | Contributor | Updates |
16-Mar-2022 18:14 |
harro |
Added |
16-Mar-2022 18:45 |
RobertMB |
Updated [Operator, Source, Narrative] |
17-Mar-2022 06:52 |
Captain Adam |
Updated [Source, Narrative] |
12-May-2022 15:54 |
Aerossurance |
Updated [Source, Narrative] |
07-Jul-2022 19:01 |
ASN Update Bot |
Updated [Time, Other fatalities, Nature, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
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