Complex sentence: Having entered service on, the aircraft had four Rolls-Royce Trent 900 engines; it was named "Nancy Bird Walton" in honour of an Australian aviation pioneer, and was the first A380 delivered to Qantas.
Split into simpler sentences: Having entered service on, the aircraft had four Rolls-Royce Trent 900 engines. The aircraft (named "Nancy Bird Walton" in honour of the Australian aviation pioneer) was the first A380 delivered to Qantas.