UK Class B above FL245

[foghorn]

Why does the UK have Class B airspace above FL245 and not Class A? A lot of other countries have class A, surely the ability to fly VFR up there is academic (and not allowed under ICAO either).

Is it to accommodate the military?

[10W]

Yes, primarily for the military, but also allows glider operations as well.

As Class B gives the same level of protection as Class A (all aircraft require clearance and must be separated), I don't see why it needs to be raised up to the Class A category.



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10 West
UK ATC'er
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