N1515P Hawker Siddeley HS-125-1A Hoover Ball & Bearing Co. Seattle - Tacoma International (SEA / KSEA), USA - Washington Ken Haynes Collection - 1966*
N1515P Hawker Siddeley HS-125-1A Hoover Ball & Bearing Co. Wilmington - New Castle County (ILG / KILG), USA - Delaware Ken Haynes Collection - 23/03/1972