Clark said that more information on the disappearance of the Boeing jet, which was carrying 239 people from Kuala to Beijing, was needed before the industry changes its aircraft tracking procedures.
The Emirates boss told The Australian Financial Review at an annual airlines conference in Doha that the plane would have been intercepted by military aircraft if it had flown off course over other countries.
"If you were to fly from London to Oslo and then over the North Sea you turned off and then went west to Ireland, within two minutes you'd have Tornadoes, Eurofighters, everything up around you," he said.
His comments came as the International Air Transport Association conference looked at ways of improving the tracking of aircraft through flight data transmissions or technologies to monitor their movements.
The International Civil Aviation Organisation has also formed a working group to explore tracking methods.
"In my view we are all plunging down a path that (says) 'we have got to fix this'," Clark said. "This is the door closing after the horse has gone 25 miles down the track.
