2 Planes Graze Each Other At UK's Heathrow Airport NDTV
Two planes collide at Heathrow Airport while aircraft being towed The Independent
Two planes collide on the ground at London's Heathrow Airport New York Post

United Airlines planes clip wings at San Francisco airport, becoming entangled San Francisco Chronicle
Oakland airport's proposed name change raises ire across Bay at SFO USA TODAY
Sea-Tac starts eating SFO's lunch by boosting transpacific service SFGATE