AVOP Airside Markings and Signage 3

Question 1

What does a sign with 'ILS' on a red background indicate?

Accepted Answer

ILS Critical Area—do not enter when ILS is in use

Answer

This mandatory sign marks the ILS critical area boundary.

Question 2

What are geographic position markings on an airfield?

Accepted Answer

Numbered circle markings at taxiway locations for low-visibility position identification

Answer

Numbered circle markings help identify position during low visibility.

Question 3

What marks a displaced threshold on a runway?

Accepted Answer

White arrows pointing toward the threshold bar

Answer

White arrows lead to the displaced threshold marked by a white bar.

Question 4

What do yellow chevron markings adjacent to a runway indicate?

Accepted Answer

Blast pad or stopway—not for normal use

Answer

Yellow chevrons mark areas not designed for normal aircraft operations.

Question 5

What do double continuous yellow edge lines on a taxiway indicate?

Accepted Answer

Edge of full-strength taxiway pavement

Answer

Two continuous yellow edge lines mark the full-strength pavement boundary.

AVOP - Airside Vehicle Operator's Permit Practice Test