What is aircraft altitude? Jeff Moyer August 06, 2013 22:19 Follow The aircraft height relative to ground level. Related articles What is aircraft speed? What are the differences between derived and raw positional data? Can I remove ads from FlightStats? Why is the ability to track the position of my flight with FlightStats' Flight Tracker unavailable, inconsistent, inaccurate, etc.? What is a Flight Status Flight ID? Comments 0 comments Article is closed for comments.