Peter wrote:
What happened to the free aviation database updated every 28 days? The
latest is still October 2006!

John Leibacher has informed me that Worldwide Soaring Turnpoint Exchange
has the current US airport (but not airspace) database in CAI, WinPilot,
SeeYou, Strepla, and other formats. This data has been made available
through the support of Paul Remde:

http://soaringweb.org/TP/FAA
http://soaring.gahsys.com/TP/FAA/

Marc