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Control tower Changi Control Tower. The air traffic control tower (ATC) was constructed in Phase One, sited in between the first two runways and stands at about 81 m above mean sea level (AMSL). It provides aerodrome control service to aircraft landing, departing and maneuvering within the airport. Runways
UNICOM. A UNICOM ( universal communications) station is an air-ground communication facility operated by a non- air traffic control private agency to provide advisory service at uncontrolled aerodromes and airports and to provide various non-flight services, such as requesting a taxi, even at towered airports. [1]
Saint Thomas Tower in Marsaskala, Malta. A watchtower or watch tower is a type of fortification used in many parts of the world. It differs from a regular tower in that its primary use is military and from a turret in that it is usually a freestanding structure. Its main purpose is to provide a high, safe place from which a sentinel or guard ...
A guard tower is any military tower used for guarding an area. These towers are usually operated by military personnel, and are structures built in areas of established control. These include military bases and cities occupied by military forces. This type of fortification is a variation on the tower incorporated into the walls of castles from ...
The conn, also spelled con, cun, conne, cond, conde, and cund, is the status of being in control of a ship's movements while at sea. The following quote summarizes the use of the term: One of the most important principles of ship handling is that there be no ambiguity as to who is controlling the movements of the ship.
The Kuwait Towers are a group of three thin towers in Kuwait City, standing on a promontory into the Persian Gulf. They were the sixth, and last, group in the larger Kuwait Water Towers system of 34 towers (33 store water; one stores equipment), and were built in a style considerably different from the other five groups.
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Trains used to be controlled by signal towers at interlockings, but this was eventually phased out in favor of master towers. [3] [4] Eventually, these master towers were replaced by a single rail control center: [3] the New York City Transit Power Control Center in Midtown Manhattan .