Banned maneuvers
(due to high risk to pilot and/or equipment):
* Vertical takeoffs from shallow water, shore, dock, boat, etc.
* Vertical landings to shallow bottom, shore, dock, boat, etc.
* Drops (rapid descent with little or no power)
* Fall arrest (arresting a drop by gunning the throttle)
* Flying backwards
* Underwater travel (special equipment and high underwater visibility required)
* Yaw turns beyond 90° in each direction
* Summersaults and tumbles
* Other unstable and high risk maneuvers