One black box from a crashed lion air jet has been recovered, the head of Indonesia’s national transportation safety committee said that it could be critical to establish why the brand new plane fell out of the sky.

Indonesia TV showed divers handing over what they said was a black box from the lion air jet that crashed into the sea this week with 189 aboard.

Ground staff lost contact with flight JT610 of budget airline lion air 13 minutes after the Boeing 737 max 8 aircraft took off early from the airport in Jakarta, the capital, on its way to the tin-mining town of Pangkal Pinang.