In dinghy sailing, a boat is said to be turtling when the boat is fully inverted with the mast pointing down to the seabed. A dinghy is a type of small Boat, often carried or towed by a larger vessel Sailing is the art of controlling a Sailing vessel. By changing the Rigging, Rudder and dagger or centre board a Sailor manages the force An air pocket can form underneath the turtled boat.