What to Know About the Missing EgyptAir Plane

EgyptAir Flight 804, which was traveling from Paris to Cairo, crashed early Thursday morning in the Mediterranean Sea, near the Greek island of Crete, officials said. The Airbus A320 plane disappeared from radar screens around 2:45 a.m., Cairo time. It had been scheduled to land at 3:15 a.m. Authorities are still trying to figure out what might have caused the crash.

Here's what you should know about the flight's disappearance:

1. There were 66 people on board, most of whom were Egyptian.