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On March 27, 1977, at Spain’s Tenerife Airport, two planes, from KLM and Pan Am, met in a head on collision resulting in the death of 583 people. They say the confusion was due to the foggy weather and faulty radio transmission.


The Boeing 747, which made it's first flight from JFK to London on this date in 1970! Later this aircraft (Clipper Victor) would be involved in the biggest aviation disaster in history, at a small airport in Tenerife...


The Tenerife airport disaster occurred on Sunday, March 27, 1977, when two Boeing 747 passenger aircraft collided on the runway of Los Rodeos Airport (now known as Tenerife North Airport) on the Spanish island of Tenerife, one of the Canary Islands. With a total of 583 fatalities, the crash is the deadliest accident in aviation history. Among them were KLM Flight 4805 and Pan Am Flight 1736 – the two aircraft involved in the accident.


It is the deadliest single-aircraft accident in history, the deadliest aviation accident to occur on Japanese soil, and the second-deadliest 747 air disaster and deadliest accident behind the 1977 Tenerife airport disaster.

Mar 27 - 1977 – Tenerife airport disaster: Two Boeing 747 airliners collide on a foggy runway on Tenerife in the Canary Islands, killing 583 (all 248 on KLM and 335 on Pan Am). 61 survived on the Pan Am flight. This is the worst aviation accident in history.

On April 27, 1977, two 747’s collide on the single runway at the Tenerife airport. Delayed by fog, the Pam Am pilot decides he has waited long enough and starts down the runway. Only when it is too late does he realize there is a KLM 747 also taxiing for take-off. He tries to fly over the KLM plane but rips into it causing a massive explosion. The Pan Am struggles to take off, but explodes at the end of the runway. 583 killed, 61 survivors in the worst accident in aviation history.

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The aftermath of the Tenerife airport disaster, 1977