class VehicleType():
    Plane = 17
    Copter = 23
    Rover = 37

# these should really be "Plane", "Copter" and "Rover", but many
# things use these values as triggers in their code:
VehicleTypeString = {
    17: "ArduPlane",
    23: "ArduCopter",
    37: "ArduRover"
}