Microsoft Flight
38 Achievements
1,275
Xbox 360
Northern Exposure
Completed a job to the northernmost airstrip in the United States.
25
How to unlock the Northern Exposure achievement in Microsoft Flight - Definitive Guide
Click on the jobs board of various airports in Alaska until you find a cargo or passenger mission going to Wiley Post-Will Rogers Meml (PABR). You will need to be at least level 5 for cargo and level 11 for passengers. Complete that mission and the achievement is yours. Your best bet of finding a job going there is to use check the airports at the far north of the map as these are the ones closest to it.