Jeppesen Chapter 4

Question 1

What is the purpose of a displayed threshold, and the operating limitations associated with it.

Answer 1

Runways where the beginning portion of the landing zone is marked with a solid white line with white arrows leading up to it. The pavement before the threshold may not be used for landing, it may be available for taxing, the landing rollout or taking off.

Question 2

How are runway numbers determined

Answer 2

The numbers of a runway correspond with magnetic north coordinates