N34837 Porterfield 75C Private Ottumwa Industrial (OTM / KOTM), USA - Iowa Dave Welch - 31/08/2016
N34837 Porterfield 75C Private Bartlesville Municipal (BVO / KBVO), USA - Oklahoma Dave Welch - 09/2004
N34837 Porterfield 75C Private Upland - Cable (CCB / KCCB), USA - California Lawrence Safir - 05/11/2006
