Sound Information Noise Abatement Office Fact Sheet.14A.Flight Track Turbo-Props 3.31.93

Flight track plots are a graphic illustration of the ground paths of aircraft traffic, as observed from above, for a specific time period. The flight track plots represent both arrivals and departures of jet aircraft to and from Sea-Tac Airport, according to the direction of traffic flow (north or south). These plots represent a full 24'hour day of flight activity separating the nighttime flights from the daytime flights. tem operated by the Federal Aviation Ad- ministration. This system is called ARTS, or Automated Radar Terminal System. Of great significance is the fact that air- craft flying identical procedures do not necessarily fly along the same ground track. Unlike cars or trains, aircraft in flight cannot be physically restrained to a nar- row corridor such as a roadway or a rail- road track. Aircraft operate in three di- mensional space and are subject to varia- tions in pilot technique, air traffic control, weather and aircraft performance. These variations will cause the aircraft to fly within a corridor, which becomes broader as the distance from the airport is in- creased. Therefore, even though several aircraft may be assigned the same route, their track and flight profiles along that route will not be identical The flight track sample contains a legend at the top of the page. The legend identi- fies the airport, gives the date and time range, and indicates the type of operation (arrival and/or departures). Also the type of aircraft, either propeller or jet, is identi- fied, as well as…

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1904 3rd Avenue, Suite 105, Seattle, WA 98101
Call to order – Roll Call – Quorum Established – Land Acknowledgement We would like to acknowledge that our Agency operates in four present-day counties, which are the traditional lands of the Coast Salish people, past and present. This acknowledgement does not take the place of authentic relationships with indigenous communities in our jurisdiction and [...]