The Tenerife airport disaster occurred on 27 March 1977, when two #boeing 747 passenger jets collided on the runway at Los Rodeos Airport on the Spanish island of #tenerife . The collision occurred when KLM Flight 4805 initiated its takeoff run during dense fog while Pan Am Flight 1736 was still on the runway. The Tenerife airport disaster remains aviation’s deadliest crash, a tragic convergence of miscommunication, fog, and human error. On March 27, 1977, two Boeing 747s—KLM Flight 4805 and Pan