N6688 Beech TC-45J Expeditor Private Miami - Kendall Tamiami Executive (TMB / KTMB), USA - Florida Don Hewins - 07/04/1991
N6688 Beech TC-45J Expeditor Express Airways Inc. Miami - Opa Locka (OPF / KOPF), USA - Florida Geoff Davidson - 01/1995
N6688 Beech TC-45J Expeditor Express Airways Inc. Oklahoma City - Sundance Airpark (HSD / KHSD), USA - Oklahoma Barry J Collman - 11/10/1999
N6688 Beech TC-45J Expeditor Express Airways Inc. Miami - Opa Locka (OPF / KOPF), USA - Florida Derek Heley - 01/09/1993
