Air route traffic control center boundaries and ICAO control area/flight information region boundaries
Subtitle: effective December 25, 1980.
Contributors: National Flight Data Center (U.S.)
Edition: Special ed.
Series: National flight data digest
Publisher: Air Traffic Service, National Flight Data Center
Published: 1980
Place of publication: [Washington, D.C.?]
Language: eng
Subjects: Airways -- United States.; Air traffic control -- United States.
Other titles: ICAO control area/flight information region boundaries.