Incident at GANDER INTL NL (CYQX) (Weather - clear air turbulence (CAT)/turbulence, Conflict - potential, ATM - other)


2001-12-19: Use of RVSM suspended on NAT Track 'W' at flight levels 340/360 inclusive due to reports (3 in total) of severe Clear Air Turbulence between 38W and 36W. Approximately 20 aircraft cleared to climb or descend 1000/2000 feet in order to apply non-RVSM vertical standard. Reports forwarded to AES personnel and Sigmet B1 issued at 0345Z. Nil YSB


CADORS Number 2001A0763
Occurrence Type Incident
Reported By NAV CANADA
Occurred At 2001-12-19 - 02:20
Day or Night?
Fatalities 0
Aerodrome ID CYQX
Aerodrome Name GANDER INTL NL (CYQX)
Geographic Location Newfoundland and Labrador, Canada, North America, Atlantic Region, Gander Oceanic
TSB Occurrence Number
TSB Class of Investigation
AOR Number 19250
Reported By NAV CANADA
Categories Turbulence encounter,Airprox/TCAS alert/loss of separation/(near) midair collisions,ATM/CNS
Events Weather - clear air turbulence (CAT)/turbulence,Conflict - potential,ATM - other

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