Answer :
The correct answer is 3. "Runway hold position" markings on the taxiway identify where aircraft hold short of the runway.
These markings are used to ensure that aircraft do not enter or cross an active runway without explicit clearance from air traffic control.
"Runway hold position" markings on the taxiway are yellow markings that indicate the location where an aircraft or vehicle must stop when taxiing on the taxiway and approaching a runway. These markings are used to indicate the boundary between the taxiway and the runway and are intended to ensure that aircraft do not inadvertently enter or cross the runway without authorization.
The "runway hold position" markings consist of two solid yellow lines extending across the width of the taxiway, with two solid yellow lines on either side of a dashed yellow line.
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