Incident Overview

Date: Sunday 17 March 2002
Aircraft Type: McDonnell Douglas MD-82
Owner/operator: Alaska Airlines
Registration Number: N935AS
Location: Anchorage International Airport, AK (ANC/PANC) – ÿ United States of America
Phase of Flight: Pushback / towing
Status: Substantial
Casualties: Fatalities: 0 / Occupants: 145
Component Affected: Flight crew of the MD-11 and ground-marshaling personnel of the MD-82.Flight crew of the MD-11 and ground-marshaling personnel of the MD-82.
Investigating Agency: NTSBNTSB
Category: Accident
An Alaska Airlines MD-82 collided with a McDonnell Douglas MD-11 cargo flight at Anchorage International Airport due to a failure by the MD-11’s flight crew to maintain clearance and a failure by ground-marshaling personnel to follow emergency procedures.An Alaska Airlines MD-82 collided with a McDonnell Douglas MD-11 cargo flight at Anchorage International Airport due to a failure by the MD-11’s flight crew to maintain clearance and a failure by ground-marshaling personnel to follow emergency procedures.

Description

Alaska Airlines flight AS196, a McDonnell Douglas MD-82 airplane, N935AS, sustained substantial damage during an on-ground collision with a McDonnell Douglas MD-11, B-16106, at the Ted Stevens Anchorage International Airport, Anchorage, Alaska. The MD-11 was not damaged. The two airplanes collided after the MD-82 had been pushed back from the gate area, and while the MD-11 was taxiing to parking. The MD-11’s flight was being conducted as a cargo flight, operated as Flight 632, by Eva Air. The MD-11’s flight originated at the Chiang Kai-shek International Airport, Taipei, Taiwan. Instrument meteorological conditions prevailed, and heavy snow showers with reduced visibility were reported at the time of the accident. Probable Cause: The failure of the flight crew of the other airplane (MD-11) to maintain clearance while taxiing and the MD-82 ground-marshaling personnel’s failure to follow procedures/directives when they did not display an emergency stop signal to the flight crew of the other airplane. Factors contributing to the accident were heavy snow showers and snow-covered terrain.

Primary Cause

Failure of the MD-11 flight crew to maintain clearance while taxiing, and failure by ground-marshaling personnel to follow emergency procedures.Failure of the MD-11 flight crew to maintain clearance while taxiing, and failure by ground-marshaling personnel to follow emergency procedures.

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