Complex sentence: After the successful revival of N219 aircraft, Indonesian aerospace decided to make a better and larger aircraft, and chose the N245 as the N219's successor, a 50-seat turboprop airliner.
Split into simpler sentences: After the successful revival of N219 aircraft, the Indonesian aerospace decided to improve the aircraft and planned to make a better and larger aircraft. IA decided to choose N245 as N219's successor, a 50-seated turboprop airliner.