Originally Posted by ZOOKER
slip,
You say "A box? Interesting concept."
Boxes are more common than you think
Yes I long ago settled for "boxes" for most of what I thought was a useful 3D rendition in my mind of the relationships between TMAs and other Controlled airspaces.
I guess I was trying to appear a little ironic because I once dared to refer to this evidently troublesome bit of sky as a "cube" in that three and a half year old thread linked to by the OP