No motive is yet known although the 29-year-old man is believed to have been suicidal.
It is the second express bus accident today, after a Gerik-bound bus overturned leaving 30 injured.
Defence Ministry says plane headed to southwest Algeria when it crashed into a field near the airport.
Deputy Defence Minister Johari Baharom says such acts would hurt the feelings of the victims’ families even more.
The air force pilots ejected from the aircraft, which faltered during a training flight.