Maintenance of NAS enroute stage a air traffic control system.
Maintenance of NAS enroute stage a air traffic control system.
- [Washington, D.C., 1971].
- xxxvi, 790 p. : ill.
[Handbook]. Dec. 6, 1968, and Changes 1-4, [1969-1971]. [Reprinted Oct. 4, 1971]. Cover title. 4to. [Reprint to include Changes. Issued with perforations]. CRDP Program Historic Shelflist record.
Official use. Not available.
Air traffic control.
TD 4.8/2:6100.1/2
[Handbook]. Dec. 6, 1968, and Changes 1-4, [1969-1971]. [Reprinted Oct. 4, 1971]. Cover title. 4to. [Reprint to include Changes. Issued with perforations]. CRDP Program Historic Shelflist record.
Official use. Not available.
Air traffic control.
TD 4.8/2:6100.1/2