Yes, it's FAAO 7400.9 "Airspace Designations and Reporting Points". A large
document, incorporated by reference into the FARs, that defines all U.S.
airspace, including airways. Very hard to find. A year or two ago we
discussed it and posted a reference to an online copy, but I have lost the
link. I have Rev E, and changes can be tracked through the Federal
Register. The document file is very large. It is not in machine-readable
form, it is a textual document in pdf format.


"Paul Tomblin" wrote in message
...
Is there a file (other than DAFIF) which has the coordinates of the
boundaries or extents of class B, C, D, E airspace? I can't find anything
in the FAA standard data files. SUA.txt only seems to have things like
MOAs and restricted areas.

--
Paul Tomblin http://xcski.com/blogs/pt/
Do you have a point, or are you saving it for a special occasion?
-- David P. Murphy