Oh yeah I think a quadcopter can easily count as a (tiny) vehicle, if it’s, say, carrying a camera. I liked how someone pointed to the Merriam Webster page for “vehicle”, which includes things like “an agent of transmission” and “a medium through which something is expressed”. People fit the literal definition of vehicle!
Is a quadcopter at 399 ft in the park then? If it's at 401 ft, then it's not?
Yeah I saw all those rules. The FAA killed flying drones as a legal hobby for me.