Flight 771 first made communications with Bombay Flight Information Center at 17:20, during which the flight requested a weather forecast for landing, as well as stating their estimated time of arrival to be 18:45 and their altitude to be .
At 17:20, Flight 771 communicated with the Bombay Flight Information Center, requesting a weather briefing before landing and sharing its anticipated arrival time of 18:45, as well as its current flight level.