TIL about Frederick Valentich, an Australian pilot who disappeared during a flight in 1978 after reporting an unidentified object following him and saying, 'It's not an aircraft.'

https://en.wikipedia.org/wiki/Disappearance_of_Frederick_Valentich
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1gt9d15/til_about_frederick_valentich_an_australian_pilot/