A privately-owned Hawker Demon resides with the Shuttleworth Collection and is the last remaining airworthy example of the type. A Hawker Nimrod I, S1581, resides at Duxford with The Fighter Collection. Each aircraft is fitted with a Rolls-Royce Kestrel V. A Hawker Nimrod II, K3661, resides at Duxford with the Historic Aircraft Collection and is fitted with a Rolls-Royce Kestrel VI[12]