Question

At larger airports, there is often a marking on taxiways leading to the approach end of a runway with an ILS approach, indicating the hold-short position for an ILS critical area. Which of the following diagrams correctly represents this marking?

1) D.
2)
3)
4) A.

Answer 1

The student's question pertains to the hold-short position marking for an ILS critical area, which is indicated by two solid yellow lines followed by two dashed lines on taxiways at airports with an ILS approach system.

Step-by-step explanation:

The question is regarding the marking for the hold-short position for an ILS (Instrument Landing System) critical area at airports.

Airports with an ILS system have a specific marking on the taxiways that indicates where aircraft should stop to ensure they do not interfere with the ILS signal for aircraft approaching the runway.

This marking is critical as it helps prevent signal disruption, which could potentially affect the safety of the landing aircraft.

The hold-short position for an ILS critical area is generally indicated on airport diagrams and has a distinct appearance on the taxiway. It consists of two solid yellow lines followed by two dashed lines, indicating the position where pilots must hold their aircraft short of the runway.

This marking helps maintain the integrity of the ILS signal by preventing aircraft or vehicles on the ground from entering the ILS critical area while an aircraft is approaching to land.