This incident occurred 17 Nov. 2009, and no records show Petruna was even a passenger on the aircraft.
Several fact-checking sources have refuted Petruna’s account; here’s one:
http://www.economist.com/blogs/gulliver/2009/12/what_really_happened_on_flight
Whoops, I bought it... Oh well, we still need to be vigilant. But the guys wouldn’t wear Arab garb.