🇺🇸 N21GP - Swearingen Metro III - Kolob Canyons Air Services KCR21, Dupage (DPA) to Barcelos (BAZ) - 4.2 mi away @ 18850 ft, heading SW at 269 mph. Spotted 4x before. [01:06:13 PM CDT] #A1B7CD #N21GP #SW4 #KOLOB #KCR21 #ADSB #ADSBbot