Airport Information
Follow this link to download US Airport information (taken from the FAA's National Airspace Resource data) in file formats used in sport aviation software and instruments, including SeeYou (.cup), Nadler Database Format (for the ILEC SN-10), Cambridge Aero Instruments (.dat) data format, and more. Be sure to check out the Getting Started page for instructions on use with various different glide computers and flight planning programs.