All that is needed are two F16s flying irregular patterns at irregular times, at Mach 2, at 100 ft. Frazzled nerves. Broke ear drums. Yes sir, that will break up the caravan. Plus a C130 spraying a water mist over them.
Even the 700-750 knots max airframe-permissible airspeed they are capable of at sea level would be adequate for the job.