Every airport runway has 2 numbers on them — here’s why

[ahlam1399]

http://img-s-msn-com.akamaized.net/tenant/amp/entityid/BBBYbfW.img?h=100&w=100&m=6&q=60&o=f&l=fRunways are given two numbers that tell pilots the general direction they're facing.

أكثر... (http://www.msn.com/en-ca/video/wonder/every-airport-runway-has-2-numbers-on-them-%E2%80%94-here%E2%80%99s-why/vi-BBBKstr?srcref=rss)