Incident at Approaching 57N 050W

Summary

2010-01-18: BAW284, Boeing 747-400, enroute from San Francisco (KSFO) to London (EGLL), was operating on a route PRAWN 57N 050W 56N 040W at 36,000 ft. At 06:23Z, the crew declared PAN PAN PAN due to low temperatures and requested to descend 5,000 ft. Air Traffic Control (ATC) clearance was not available due to traffic below but the crew was advised that ATC clearance was available at 29,000 ft. The crew elected to conduct a contingency offset descent to 29,000 ft. and upon reaching that level, ATC issued a new IFR Clearance at that level. The aircraft was at 29,000 ft at 06:43Z and continued to destination.
2010-01-28: UPDATE TSB A10A0007: BAW284, a British Airways Boeing 747-400, was en route from San Francisco to London when the flight crew declared a PAN situation due to low outside air temperature and requested a clearance to descend to Flight Level (FL)310. Gander ACC was unable to issue the clearance due to lower traffic; however, they advised that crew that they would be able to issue a clearance at FL290. The crew then carried out the NAT contingency procedure and descended to FL290 where Gander issued a new clearance to the destination at that level. The aircraft exited Canadian airspace without further incident.

Details


CADORS Number 2010A0049
Occurrence Type Incident
Reported By NAV CANADA
Occurred At 2010-01-15 - 06:23
Day or Night?
Fatalities 0
Injuries 0
Aerodrome ID
Aerodrome Name
Geographic Location Gander Oceanic, Atlantic Region, Approaching 57N 050W
TSB Occurrence Number A10A0007
TSB Class of Investigation Class 5
AOR Number 115274-V1
Reported By NAV CANADA
Categories Other
Events



Aircraft Details (1 aircraft)

Type Aeroplane
 Silhouette image of Aeroplane
Canadian Registration
Foreign Registration
Country of Registration the United Kingdom of Great Britain and Northern Ireland
Occurrence Type Incident
Owner
Operator BRITISH AIRWAYS (5430) Commercial
Make  Silhouette image of BOEING
BOEING
Model 747 400 SERIES
Year Built
Engine Type Turbo fan
Engine Make
Engine Model
Gear Type Land
Private No
Amateur Built No
Flight Number BAW284
Flight Rule
CARS Subpart
Phase of Flight Cruise
Damage No Damage
Fatalities 0
Injuries 0
Events Declared emergency/priority

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