I understand your concern for the problem of Terrorism.
"see it is the same logic....if you have a common ailment you go to a general physician.........but some connected to hear or brain you need expert and hitech equipments for say surgery"
see the problem lies here...
POTA or TADA or any such law cud have been effective but in the hands of experts.
You can not just give the control of Airplane to the people who only know driving Truck that too with several accidental history.
