“And Percy—you and I need to get this ship to Fort Sumter.”
Percy nodded and ran to the mast. Annabeth took the helm. Her hands flew across the controls. She’d just have to hope she knew enough to operate them.
Annabeth had seen Percy control full-sized sailing ships before with only his willpower. This time, he didn’t disappoint. Ropes flew on their own—releasing the dock ties, weighing the anchor. The sails unfurled and caught the wind. Meanwhile Annabeth fired the engine. The oars extended with a sound like machine-gun fire, and the Argo II turned from the dock, heading for the island in the distance.

The Mark of Athena, Chapter XIX