Sailing a ship.
Ability Score(s): Agility + Reaction + Intuition
Usage: Whereas riding is for riding atop a beast and driving is for land vehicles like carriages, sailing is exclusively used for taking the helm and piloting ships out at sea.
Sailing on open, calm seas requires a DC 20 check. Rougher seas require a DC 30 check instead. Lastly during a storm a DC 45 Sailing check