Event Details

Title:Unstabilized approach, Boeing 747-2D7B, N523MC
Micro summary:This Boeing 747-2D7B descended significantly beneath the glide slope.
Event Time:2004-12-12 at 1611 UTC
File Name:2004-12-12-UK.pdf
Publishing Agency:Aircraft Accident Investigation Board (AAIB)
Publishing Country:United Kingdom
Report number:EW/C2004/12/03
Site of event:Approach to Stansted
Departure:Chicago O'Hare International Airport, Chicago, Illinois, USA
Destination:London Stansted Airport, Essex, England
Airplane Type(s):Boeing 747-2D7B
Flight Phase:Approach
Operator(s):Atlas Air
Type of flight:Revenue
Serious Injuries:0
Other Injuries:0
Executive Summary:The incident occurred when the crew became involved with an apparent unserviceability, which resulted in no-one in the cockpit monitoring the flight path of the aircraft during an ILS approach. The aircraft broke cloud at 900 feet amsl just over 6 nm from the threshold. The commander then disconnected the autopilots and manually flew the aircraft to acquire the proper glideslope. Subsequent to the incident, the crew did not report the incident to the airport authority nor to their company. The incident and subsequent lack of proper reporting procedures by the crew indicated a serious breakdown in crew effectiveness.
Learning Keywords:Operations - Crew Resource Management
Operations - Task Saturation
Operations - Unstabilized Approach
Close match:Late gear and flap selection, Boeing 767-200, N653US


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