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The Lone Rock Flight Service Station from 1928 to 1985, in the EAA Aviation Museum. A flight service station (FSS) [1] is an air traffic facility that provides information and services to aircraft pilots before, during, and after flights, but unlike air traffic control (ATC), is not responsible for giving instructions or clearances or providing separation.
The bottom case is invoked when the maximum velocity for surface control V cl is otherwise reached. Steering control is independent from any concept of clear distance ahead. If a vehicle cannot be controlled so as to safely remain within its lane above a certain speed and circumstance, then it is irrelevant how assuredly clear the distance is ...
Air traffic control: ATCC Air traffic control centre ATCO Air traffic controller ATCT Airport traffic control tower: ATCRBS Air traffic control radar beacon system: ATCSS Air traffic control signalling system ATD Actual time of departure Equivalent to off-block time [7] ATE Advanced Technology Engine: ATF Aerodrome traffic frequency ATFM
The United States has 22 Air Route Traffic Control Centers (ARTCC). [1] They are operated by and are part of the Federal Aviation Administration of the U.S. Department of Transportation . An ARTCC controls aircraft flying in a specified region of airspace, known as a flight information region (FIR), typically during the en route portion of flight.
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]
The Manual on Uniform Traffic Control Devices for Streets and Highways (usually referred to as the Manual on Uniform Traffic Control Devices, abbreviated MUTCD) is a document issued by the Federal Highway Administration (FHWA) of the United States Department of Transportation (USDOT) to specify the standards by which traffic signs, road surface markings, and signals are designed, installed ...
ATC Zero (Air Traffic Control Zero) is an official term used by the U.S. Federal Aviation Administration (FAA) that means the FAA is unable to safely provide the published ATC (air traffic control) services within the airspace managed by a specific facility. The term is always used in conjunction with a facility reference.
Free flight is a new concept being developed to take the place of the current air traffic management methods through the use of technology. True free flight eliminates the need for air traffic control (ATC) operators by giving the responsibility to the pilot in command. This gives the pilot the ability to change trajectory in mid-flight. With ...