ICAO Recommended Airport Signs, RWY and Taxiway Markings

Question 1

How long shall the threshold lines be?

Answer 1

30 m

Question 2

If you see a threshold with 6 lines either side of the rwy centreline (12 total) what does this indicate to you?

Answer 2

That the rwy is a 45 m wide rwy.

Question 3

If you see a threshold with 8 lines either side of the rwy centreline (16 total) what does this indicate to you?

Answer 3

That the rwy is a 60 m wide rwy.

Question 4

If you see a threshold with 4 lines either side of the rwy centreline (8 total) what does this indicate to you?

Answer 4

That the rwy is a 30 m wide rwy.

Question 5

If you see a threshold with 3 lines either side of the rwy centreline (6 total) what does this indicate to you?

Answer 5

That the rwy is a 23 m wide rwy.

Question 6

If you see a threshold with 2 lines either side of the rwy centreline (4 total) what does this indicate to you?

Answer 6

That the rwy s a 18 m wide rwy.