FS2002 Chicago O'Hare International Airport (KORD) AFCAD file, Illinois (IL). The original AFCAD file is an FS2002 facility file for the Chicago O'Hare International Airport. It adds as many gates as possible to the airport The gates are logically labeled, but may not reflect their real-world equivalent. The revised AFCAD file includes gate numbers based on info. from the O'Hare airport's web site. By Boyd Barker, with corrected gate numbers by Bob Blackmun.