demarcation bar

demarcation bar

demarcation barclick for a larger image
Markings of demarcation bar for blast pad or stop-way and for taxiway and stop-way preceding a displaced threshold.
A bar that delineates a runway with a displaced threshold from a blast pad, stop-way, or taxiway that precedes the runway. A demarcation bar is 3 ft (1 m) wide and yellow and is not located on the runway.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
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By the way, the displaced threshold should not be confused with a demarcation bar, which is a thin (3-foot-wide) yellow stripe marking "a blast pad, stopway or taxiway that precedes the runway." Often accompanied by yellow chevrons, this chunk of pavement is unusable for taxiing, takeoff and landing.
You cant land on that

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