But the deadliest collision of two aircrafts - and the deadliest aviation accident - is the Tenerife airport disaster which killed ... Ultimately the main cause of the accident was the KLM captain ...

In 1977, two Boeing 747s collided on the runway in Tenerife, killing 583 people. It remains the deadliest accident in aviation history. 19 rare behind-the-scenes photos from “The Wizard of Oz ...