What is aircraft longitude? Jeff Moyer August 06, 2013 22:18 Updated Follow The east/west aircraft position relative to the Prime Meridian located at Greenwich, England. Related articles What is a Flight Status Flight ID? What is aircraft speed? Why is the ability to track the position of my flight with FlightStats' Flight Tracker unavailable, inconsistent, inaccurate, etc.? Comments 0 comments Article is closed for comments.