Complex sentence: The elderly F28s were soon replaced as their high noise levels restricted operations, with Avro RJ85s being received in 2001, with its Saab 340s being replaced by larger Saab 2000s at the same time.
Split into simpler sentences: The elderly F28s were soon replaced as their high noise levels restricted operations, with Avro RJ85s being received in 2001. The Saab 340s were replaced by larger Saab 2000s at the same time.