The aircraft, now Canadian-registered with the appropriate identity C-GTFF, was originally built for Korean Airlines. First flown at Everett in January 1981, it entered service with Korean in March 1981 and remained in service with the carrier. This is an updated version of a post on my Debunking Doomsday blog: Why North Korea is not about to invade. It. There is also the possibility that during routine carrier operations, the…