New Delhi, July 8 -- A Pakistan-registered Boeing 737 cargo plane en route from Sharjah to Karachi disappeared from radar over the Arabian Sea, about 300 kilometres west of Karachi, on Tuesday.

The K2 Airways Boeing 737-400 cargo aircraft has five crew members on board, the Pakistan Airports Authority said in a post on X.

They informed that the plane lost contact with air traffic control on Tuesday night after reporting a navigational system problem on its way from Sharjah to Karachi.

"K2 Airways B 737 of Pakistan Cargo Flight enroute from Sharjah to Karachi at time 2118PST reported Navigational system issue and was promptly guided by KARACHI ACC," the Pakistan Airports Authority said.

Early flight data indicated the 27-year-old conve...