"The exteriors were all filmed in western Washington state. The NORAD HQ set was built in the Cascades, and the Oregon airport was really at Boeing field. Goose Island is really Anderson Island in Washington (in the Southern part of the Puget Sound)."
My guess QX got in on it for the publicity.....Like how AS introduced their new identity in the movie Kindergarten Cop. Although maybe they did serve BFI at one time.
You can take the pup out of Alaska, but you can't take the Alaska out of the pup.