The U.S. Federal Aviation Administration and Boeing have privately issued notifications that the fuel switch locks on Boeing planes are safe, a document seen by Reuters showed and four sources with knowledge of the matter said.

Air India crash investigators are examining the medical records of the pilot whose plane crashed in Ahmedabad amid claims that he suffered from depression and mental health problems.

In a chilling reminder of recent aviation mishaps, a small aircraft crashed shortly after takeoff at London Southend Airport on Sunday, erupting into a massive fireball visible from the terminal. The dramatic crash prompted an immediate emergency response and has drawn parallels to the recent Air India crash investigation.