Yes, a very tragic example that happened quite close to where I live was a mid air collision between a freighter and a regular airliner ( http://en.wikipedia.or

Yes, a very tragic example that happened quite close to where I live was a mid air collision between a freighter and a regular airliner ( http://en.wikipedia.org/wiki/2002_%C3%9Cberlingen_mid-air_collision http://en.wikipedia.org/wiki/2002_%C3%9Cberlingen_mid-air_co... ), with 71 fatalities.