On March 27, 1977, at Los Rodeos airport in Tenerife, Pan Am Flight 1736 was sitting on the taxiway waiting to take off. A thick fog obscured the approach of KLM 4805, as it bore directly towards them. Air Disasters: Disaster at Tenerife airs tonight at 10 PM. | Smithsonian Channel Aviation Nation

#tbt The Tenerife airport disaster occurred on 27 March 1977, when two Boeing 747 passenger jets collided on the runway at Los Rodeos Airport (now Tenerife North 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 impact and resulting fire killed all on board KLM Flight 4805 and most of the occupants of Pan Am Flight 1736, with only 61 survivors in the front sectio