https://www.youtube.com/watch?v=Ih9QpuXjtMk&feature=youtu.be This is the one! Panshanger Aerodrome is the Oldest & Rarest Decoy Aerodrome in Great Britain & based on this data it would be safe to say it is the Rarest & Oldest Decoy Aerodrome in the World! Based on its use, type, status & age.