Incident at Gander Oceanic Airspace


1997-03-18: The flight was west bound at FL390 wiith a routing of ...50N/50W, Gander. A Gulfstream G2 was also westbound at FL390 on a parallel routing to the KC135. The KC135 was observed 27 miles north of track. A loss of separation occurred between the 2 aircraft. The separation was 32 miles instead of the required 60 miles. The pilot of the the KC 135 reported the his Inertial Navigation System (INS) was unserviceable for a 10 minute period which caused the aircraft to go off track. TSB case closed.


CADORS Number 1995A0523
Occurrence Type Incident
Reported By
Occurred At 1995-05-17 - 14:03
Day or Night?
Fatalities 0
Aerodrome ID
Aerodrome Name
Geographic Location Gander Oceanic, Atlantic Region, Gander Oceanic Airspace
TSB Occurrence Number
TSB Class of Investigation
AOR Number
Reported By
Categories System/component failure or malfunction [non-powerplant],Airprox/TCAS alert/loss of separation/(near) midair collisions

Aircraft Details (1 aircraft)

Type Aeroplane
 Silhouette image of Aeroplane
Canadian Registration
Foreign Registration
Country of Registration
Occurrence Type Incident
Make  Silhouette image of BOEING
Model KC-135R
Year Built
Engine Type
Engine Make
Engine Model
Gear Type
Private No
Amateur Built No
Flight Number CODER
Flight Rule
CARS Subpart
Phase of Flight Unknown
Damage Unknown
Fatalities 0
Injuries 0
Events Conflict - loss of separation,Aircraft navigation/communication equipment

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