Apparently, this user prefers to keep an air of mystery about them.
24 Can a civilian aircraft pilot see a missile coming? Jul 18 '14
20 Why do airports have to close in bad weather? Feb 11 '15
11 How meaningful is the total number of flight hours? Mar 29 '15
7 How does one launch unmanned high-altitude balloons without posing a safety risk to aviation? Nov 28 '14
7 Do airplanes need wings? Mar 30 '14
6 How old is too old to become a pilot? Jul 25 '15