FS2004/FSX – Rolls Royce Griffon Engine Sounds flight2000it 11 years ago FS2004/FSX – Rolls Royce Griffon Engine Sounds designed specifically for the Avro Shackleton. By Gary Jones. 38 MB FSX/FS2004 – Spitfire Mk XIV ClippedFS2004/FSX Supermarine Spitfire Pr XIXFS2004/FSX Firefly Mk7