Four people were killed late Tuesday morning when a Piper PA-31 Navajo crashed in northwestern Ontario, officials said on Wednesday. One person survived the crash.
Patrick Smith delves into wake turbulence, explaining the various factors behind this airborne phenomena and how pilots protect against the dangers of wake upsets.
The German Trade Union of Air Traffic Control has called on its 5,500 members to participate in a six-hour strike on Tuesday morning, risking major disruption.