Video shows the terrifying moment a student pilot accidentally opened the door of a plane MID-AIR - after he "jiggled" the handle too much,Pilot-in-training Ronald Shearer, 33, was asked to jiggle the handle after a malfunction with the door sensors warned they were open when they were not.But as Ronald jiggled the door to see if the sensor would give back an accurate reading, the door flew open, sending fast-moving air into the cockpit.A video of the incident shows the door opening suddenly and the trainee pilot holding the door in place for the emergency landing. SWNS