traffic control tower
51Procedural control — is a method of providing air traffic control services without the use of radar. It is used in regions of the world, specifically sparsely populated land areas and oceans, where provision of contiguous radar cover is either prohibitively expensive …
52Common Traffic Advisory Frequency — (CTAF), is the name given to the VHF radio frequency used for air to air communication at U.S., Canadian and Australian non towered airports. Many towered airports close their towers overnight, keeping the airport itself open for cargo operations …
53National Air Traffic Controllers Association — NATCA Full name National Air Traffic Controllers Association Founded 1987 Members 15,000 Country United States …
54Security Control of Air Traffic and Air Navigation Aids — The Plan for the Security Control of Air Traffic and Air Navigation Aids (SCATANA) is an emergency preparedness plan of the United States which prescribes the joint action to be taken by appropriate elements of the Department of Defense, Federal… …
55aerodrome control service — Air traffic control services for aerodrome traffic (ICAO). The service is provided by an aerodrome control tower. The task of providing specified services on the apron (e.g., apron management service) may be assigned to an aerodrome control tower …
56approach control service — Air traffic control service for arriving or departing controlled flights. It is provided by an aerodrome control tower or area control center when it is necessary or desirable to combine the functions of the approach control services with those… …
57ground control — The operating position in the control tower that provides clearances and instructions for the movement of aerodrome ground traffic, and pertinent information to all traffic within the aerodrome perimeter …
58airport traffic area — Unless otherwise specifically designated, that airspace within a horizontal radius of five statute miles from the geographic center of any airport at which a control tower is operating, extending from the surface up to, but not including, an… …
59airport traffic area — Unless otherwise specified, the airspace within a horizontal radius of 5 miles (8 km) from the geographical center of any airport at which a control tower is operating, extending from the surface up to, but not including, an altitude of 3000 ft… …
60List of The Dark Tower characters — The Dark Tower is a series of seven novels written by American author Stephen King, which incorporate multiple genres including fantasy, science fantasy, horror and western. Below are The Dark Tower characters that come into play as the series… …
