COLLEGE PARK AVIATION MUSEUM (COLLEGE PARK MD)
flightaware.com/live/flight/N12345
Heh. N12345 is the registration for a museum-owned Monocoupe 110 built in 1952. However due to confusion, mistakes, or just being silly, a number of aircraft have been called that while flying. We’ve seen similar things, such as a type of ‘XXXX’ when the controller doesn’t know the type.