transportation, we can't see what's happening at the controls. cameras have shed light on accidents like when the bus driver was caught on surveillance camera texting just before rear ending an suv. cameras are keeping an eye on train conductors and now the mystery surrounding malaysia flight 370 has reenergized the debate of putting cameras in the cockpit. >> the amount of information that they are deriving from the aircraft exceeds anything in the other transport industries. >> the coalition of pilots association says cameras would be intrusive. >> why not put cameras in the cockpit? >> i want the pilot worried about flying the plane and current technology allow youls to monitor so many perimeters it is not necessary. in 2000, the ntsb recommended the federal aviation administration require airlines to record electronic images data