Surface painted taxiway holding direction signs have a red background with white lettering that identify the runway the taxiway is approaching. Surface Painted Holding Direction Sign Figure 5. Surface painted direction signs are yellow with a black lettering (Figure 4). Surface painted direction signs are located on the right side of the centerline indicating a turn onto the identified taxiway. Surface painted location signs have a yellow taxiway identifier letter on a black background (Figure 4). Surface painted location signs are used to supplement location signs located alongside a taxiway. Surface-Painted Location and Taxiway Signs. The enhanced center line consists of three parallel lines-the center line is a solid line the parallel lines are dashed (Figure 3).Įnhanced centerlines start no more than 150 feet from the runway hold marker. Enhanced CenterlineĪt some, mostly larger commercial airports, an enhanced taxiway centerline is used to alert pilots they are approaching a runway hold line. Ideally, the aircraft nosewheel(s) should be kept centered on this line during taxi pilots must still be vigilant for other aircraft, vehicles, and potential hazards. The continuous yellow taxiway centerline, typically six to twelve inches wide provides visual guidance along the center of the taxiway. Section of an airport showing taxiways approaching a runway (top) and the Hold lines. Unless cleared by Air Traffic Control (ATC, either tower control or ground control), aircraft must stop at all runway hold positions and hold until cleared to proceed (Figure 2). Related Article – 12 Runway Markings Explained By A Pilot General Taxiway MarkingsĪll taxiways have yellow centerline markings and hold position markings wherever the taxiway intersects a runway. Taxiways are the routes aircraft travel from and to passenger terminals and runways.Īir Traffic Controllers expect pilots to be familiar with the layout of the airport so that they can give the crew taxi instructions and be confident that they will follow the instructions correctly.Įach taxiway is marked by painted lines on the pavement as well as signs adjacent to the taxiways at key locations such as taxiway intersections and runways. The angular taxiways adjoining the runways (Figure 1) allow aircraft to exit the runway at slightly higher speeds to expedite traffic, rather than having to slow to make a hard-ninety-degree turn. Atlanta Hartsfield International Airport (Source: Google Maps) Many airlines require pilots to be familiar with destination airports, meaning that a pilot who has not flown into an airport such as Atlanta International must first fly with a pilot who is already familiar with the airport. It is important that pilots understand taxiway and runway markings and signs. Like runway markings, taxiway markings are standardized throughout the world.Ī quick look at the layout of Atlanta Hartsfield International Airport demonstrates the need for clear and consistent markings and signs to allow flight crews to navigate to and from any one of the runways.
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