Boeing Field King County International Airport

There are two tower frequencies that should be noted. The east runway (31R/13L) is on 118.3. This is the frequency that should be used when departing this runway, or arriving from 0 to 179 degrees magnetic. The The west runway (31L/13R) is on 120.6. This is the frequency that should be used when departing this runway, or arriving from 180 to 359 degrees magnetic.