Complex sentence: At 16:10, the air traffic controller informed the flight that it was abeam Palembang and instructed the aircraft to maintain FL350 and to contact Singapore Control upon reaching PARDI.
Split into simpler sentences: At 16:10, the air traffic controller informed the flight that it was abeam Palembang. The controller instructed the aircraft to maintain FL350 and to contact Singapore Control upon reaching PARDI.