The ultralight aircraft in this episode was a JetWing trike. A JetWing trike also appeared in the first episode of "The Finder".
[After hearing a message on Rosco's answering machine from an armored car company.]
Bo: I wonder what the heck is going on.
Luke: I don't know. Maybe we can find out. Why don't you give him a call, Sheriff?
Bo: Oh, good grief.