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? We are Cirium! (formerly FlightGlobal Help Desk) 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.? Comments 0 comments Article is closed for comments.