Complex sentence: In 2016 the airline provided a Boeing 747-428 (registration TF-AAK) to the heavy metal band Iron Maiden for the Book of Souls World Tour, which replaced a modified Astraeus Airlines 757 as "Ed Force One".
Split into simpler sentences: In 2016 the airline provided a Boeing 747-428 (registration TF-AAK) to the heavy metal band Iron Maiden for the Book of Souls World Tour. Which replaced a modified Astraeus Airlines 757 as "Ed Force One".