N421MA Boeing 720-022 Southeast Airlines (NS) Miami - International (MIA / KMIA), USA - Florida Bert van Santen - 10/05/1980
N421MA Boeing 720-022B Southeast Airlines (Florida) Miami - International (MIA / KMIA), USA - Florida Roger Syratt - 06/11/1979
N421MA Fairchild Swearingen SA.227AC Metro III Ameriflight (AMF) Phoenix - Sky Harbor International (PHX / KPHX), USA - Arizona Kevin Colbran - 16/11/2016
N421MA Boeing 720-022B Southeast Airlines (Florida) Miami - International (MIA / KMIA), USA - Florida R.A.Scholefield - 29/09/1979
N421MA Fairchild Swearingen SA.227AC Metro III Northwest Airlink - Mesaba Airlines (XJ / MES) Detroit - Metro Wayne County (DTW / KDTW), USA - Michigan Kevin Colbran - 02/1992
