Talk:Canadian airspace

Does Class B airspace exist everywhere in Canada?

Regarding the statement "Class B airspace exists between 12,500 ft. and 18,000 ft. everywhere in Canada", though this is a commonly held belief, I'm not sure it's true. If you look at the definition of Class B in the either the AIM or the DAH, you get this: "all low level controlled airspace above 12,500´ ASL or from the MEA, whichever is higher, to below 18,000´ ASL".

Note the qualifier "controlled". If you look at, say, the Calgary VNC, you'll see that outside of a 60 NM radius from Calgary, there is plenty of uncontrolled airspace. See the area to the north-east over Coronation, for example. This leads me to believe that such airspace, even up at, say, 15,000´ ASL, would be Class G, not Class B.

Anyone out there in authority care to comment?

CConrad 14:35, 12 May 2007 (UTC)

• It's not everywhere, just where its required. Now changed. - Trevor MacInnis (Contribs) 00:05, 30 September 2007 (UTC)

Standard Pressure Region

Aircraft in the NDA use the standard pressure setting only for the enroute portion of a flight. During the climb and descent portions they are required to set the QNH for the origin or destination aerodromes, respectively. — Preceding unsigned comment added by 199.246.40.54 (talk) 18:06, 26 March 2014 (UTC)

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