National airspace system
Subtitle: concept of operations and vision for the future of aviation
Publisher: RTCA
Published: 2002
Place of publication: Washington, DC
Language: eng
Subjects: Air traffic control; Planning; Free flight (Air traffic control)
Other titles: Concept of operations and vision for the future of aviation
Notes: "Approved by the RTCA Free Flight Steering Committee, November 15, 2002"--P. 1 of cover.

Includes bibliographical references.