ASN Wikibase Occurrence # 329488
| Date: | Tuesday 16 December 1975 |
| Time: | 20:55 |
| Type: |  Boeing 747-246B |
| Owner/operator: | Japan Air Lines - JAL |
| Registration: | JA8122 |
| MSN: | 20924/235 |
| Year of manufacture: | 1974 |
| Total airframe hrs: | 5569 hours |
| Engine model: | Pratt & Whitney JT9D-7 |
| Fatalities: | Fatalities: 0 / Occupants: 121 |
| Aircraft damage: | Substantial, repaired |
| Category: | Accident |
| Location: | Anchorage International Airport, AK (ANC) -
 United States of America
|
| Phase: | Taxi |
| Nature: | Passenger - Scheduled |
| Departure airport: | Anchorage International Airport, AK (ANC/PANC) |
| Tokyo-Haneda Airport (HND/RJTT) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The aircraft slid off the north side of the east-west taxiway of Anchorage International Airport while taxiing out for a takeoff on runway 06R. The Boeing weathercocked about 70° to the left and slid backward down a snow-covered embankment with an average slope of - 13°. The aircraft came to rest on a heading of 150° on a service road approximately 250 feet from, and 50 feet below, the taxiway surface.
PROBABLE CAUSE: "The loss of directional control during taxi as a result of ice on the taxiway and strong, direct crosswinds. Contributing to the accident were (1) the captain's decision to take off from runway 6R after receiving reports that taxiing conditions were deteriorating, and (2) failure of airport management to anticipate predictable unsafe icing conditions on the airport. This failure to anticipate these conditions resulted in delayed and insufficient preventive action."
Accident investigation:
 |
|
Sources:
NTSB-AAR-76-12
Location
Images:
photo (c) Bob Butcher; Anchorage International Airport, AK (ANC/PANC); January 1976
photo (c) NTSB; Anchorage International Airport, AK (ANC); December 1975; (publicdomain)
Revision history:
| Date/time | Contributor | Updates |
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