An Indonesian air force transport plane has crashed into a mountain during a training exercise in the remote region of Papua, killing all 13 people on board, a search and rescue agency official said. The Hercules C130 plane had taken off from the city of Timika before crashing near its destination almost 200 kilometres away in Wamena, at around 6:15am , said Ivan Ahmad Riski Titus, operational director of Indonesia’s Search and Rescue Agency.