A small passenger plane with 22 people on board went missing on Wednesday, soon after taking off from an airport in eastern Nepal. Officials said, the Canadian-built Twin Otter aircraft belonging to a private company, lost contact with the control tower of the airport at Lamidanda in Khotang district of eastern Nepal minutes after it took off from there.The passengers were returning to Kathmandu after visiting the Hindu temple 'Halesi Mahade'.