Aviation safety investigations & reports

Boeing 747-338 VH-EBY Flap limit speed exceedence on departure from London Heathrow, 25 March 1990

Investigation number:
Status: Completed
Investigation completed


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QF002 was scheduled for departure from London Heathrow at 1315 hours UTC on 25 March 1990. Due to engineering problems with the aircraft allocated for this sector, VH-EBY was dispatched from Sydney as a replacement, thus causing a subsequent 18 hour delay in the departure of QF002. The flight eventually departed London at 0704 hours UTC on 26 March 1990 as QF002A. On arrival at London Flight Dispatch the crew were issued with the Flight Plan and accompanying Notams, Intams and company documentation. Prior to departure the crew was issued with a runway 27L, Brookmans Park 3G SID. This departure requires a right turn, shortly after takeoff, towards the Burnham VOR. At a position 6DME from London, another right turn is required to intercept a track of 058 degrees to Chiltern NDB. Noise abatement procedures apply to this departure as well as an altitude requirement of reaching 3,000 ft nearing completion of the turn towards Chiltern NDB, above 4,000 ft over Chiltern NDB and a crossing altitude of 6,000 ft at Brookmans Park VOR. A speed constraint of 250 knots existed below 10,000 ft. The seating configuration on the flight deck for departure is shown at Figure 1. The First Officer was flying this sector from the right hand pilot's seat.
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[Download  PDF: 7.63MB]
General details
Date: 25 March 1990   Investigation status: Completed  
Time: 1735 EST    
Location: near London    
State: International   Occurrence type: Miscellaneous - Other  
Release date: 20 November 1990   Occurrence category: Incident  
Report status: Final   Highest injury level: None  

Aircraft details

Aircraft details
Aircraft manufacturer The Boeing Company  
Aircraft model 747  
Aircraft registration VH-EBY  
Type of operation Air Transport High Capacity  
Damage to aircraft Nil  
Departure point London  
Destination Bangkok  
Last update 11 March 2016