Incident at Gander Oceanic Airspace (Narsarsuaq, 70 NM NE)

Summary

2015-10-21: A United Parcel Service Boeing 767 300 (N322UP/ UPS238) from London/ Stansted (EGSS) to Louisville, KY (KSDF) encountered moderate to severe turbulence over eastern Greenland at 6145N04317W until 6143N04340W. The aircraft was unable to maintain speed and altitude. Flight cleared at FL310, descended to FL304 and climbed to FL341 before encountering smooth air. Gander Oceanic recleared flight at FL340.
2015-10-21: UPDATE: TSB Report#A13A0129: The United Parcel Service Boeing 767-300F, registration N322UP, was operating as UPS238 at FL310 on a cargo flight from London Stansted to Louisville International. The aircraft encountered severe turbulence for about 7 minutes over eastern Greenland, having difficulty maintaining altitude, airspeed and directional control. The autopilot and auto throttles were disengaged several times before the flight was re-cleared to FL340. The aircraft landed safely at destination and company maintenance complied with Boeing turbulence inspection requirements.

Details


CADORS Number 2013A1240
Occurrence Type Incident
Reported By NAV CANADA
Occurred At 2013-12-19 - 00:06
Day or Night? Night-time
Fatalities 0
Injuries 0
Aerodrome ID
Aerodrome Name
Geographic Location Gander Oceanic, Atlantic Region, Gander Oceanic Airspace (Narsarsuaq, 70 NM NE)
TSB Occurrence Number A13A0129
TSB Class of Investigation Class 5
AOR Number 169709-V2
Reported By NAV CANADA
Categories Turbulence encounter
Events



Aircraft Details (1 aircraft)

Type Aeroplane
 Silhouette image of Aeroplane
Canadian Registration
Foreign Registration
Country of Registration the United States of America
Occurrence Type Incident
Owner
Operator UNITED PARCEL SERVICE CO. (5826) Commercial
Make  Silhouette image of BOEING
BOEING
Model  Silhouette image of 767 300
767 300
Year Built
Engine Type Turbo fan
Engine Make
Engine Model
Gear Type Land
Private No
Amateur Built No
Flight Number UPS238
Flight Rule IFR
CARS Subpart
Phase of Flight Cruise
Damage No Damage
Fatalities 0
Injuries 0
Events Weather - clear air turbulence (CAT)/turbulence

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