Complex sentence: Brian Milton flew from London to Sydney in 1987 in the Dalgety flyer which at the time was the longest recorded microlight flight taking 59 days, the aircraft is now on display at Sydney Airport.
Split into simpler sentences: Brian Milton flew from London to Sydney in 1987 in the "Dalgety flyer" which at the time was the longest recorded microlight flight. The aircraft is now on display at Sydney Airport.