N731X Hawker Siddeley HS-125-400A Sears Roebuck Dallas - Love Field (DAL / KDAL), USA - Texas Ken Haynes Collection - 05/1980
N731X Hawker Siddeley HS-125-400A Sears Roebuck, Chicago Houston - William P Hobby (HOU / KHOU), USA - Texas Ken Haynes Collection - 15/10/1974
