OTD 1977, two Boeing 747 airliners (Pan Am flight 1736 and KLM flight 4805) collided on a foggy runway at Los Rodeos Airport on the island of Tenerife, killing 583 people in the worst aircraft accident in aviation history.

OTD 1977, two Boeing 747 airliners (Pan Am flight 1736 and KLM flight 4805) collided on a foggy runway at Los Rodeos Airport on the island of Tenerife, killing 583 people in the worst aircraft accident in aviation history.