What is the Charkhi-Dadri mid-air collision?

The Charkhi-Dadri mid-air collision occurred in November 1996, when a Saudi Arabian Airlines Boeing 747 and a Kazakhstan Airlines Ilyushin Il-76 collided over the village of Charkhi Dadri, Haryana, India. The crash was the deadliest mid-air collision in aviation history, killing 349 people. The cause of the crash was found to be a series of errors and miscommunications between air traffic controllers, pilots, and the crew of both aircraft. The collision has led to increased safety measures and changes in air traffic control procedures worldwide. It also highlighted the need for improved communication systems between air traffic control centers.