Full coverage: EgyptAir Flight MS804 Missing

Professor Peter Leahy joins us now on the line. He is the director of the National Security Institute, at the University of Canberra.

Q1. Professor,  Egyptian officials say they believe the missing plane has crashed into the sea. Considering the time since its disappearance, can we take it now that the plane has crashed?

Q2. What could be the reasons behind the plane's disappearance?

Q3. Rescue teams are now gearing up for the search mission. How long will it take them to find the plane?