1. Build a simulator
2. Train a fellow terrorist
3. Make a plan
4. Take off with your trained fellow terrorist on board
5. Shoot the co-pilot
6. Fellow terrorist takes place of murdered co-pilot
7. Shut off oxygen and fly to 45,000 feet to kill all the passengers.
8. Fly to a newly prepared landing field in an obscure island in the Indian Ocean
9. Cover the aircraft and then unload the gold/platinum/uranium/diamonds/cash/whatever
10. Abandon the aircraft
11. Escape in a fancy yacht
or
8a-11a. Run out of fuel and die
1. Steal Underpants
2. ???
3. PROFIT!