N400NW Hawker Siddeley HS-125-600A Northwest Industries Pittsburgh - International (PIT / KPIT), USA - Pennsylvania Ken Haynes Collection - 05/1977
N4203Y Hawker Siddeley HS-125-600A Northwest Industries Little Rock - Adams Field (LIT / KLIT), USA - Arkansas Ken Haynes Collection - 07/07/1975
N400NW Hawker Siddeley HS-125-1A/522 Northwest Industries Houston - William P Hobby (HOU / KHOU), USA - Texas Ken Haynes Collection - 09/04/1975
