"When you travel from west to east, it's easy because the air flow will naturally take you there, anyone can manage that. It's heading east to west that takes some finesse. My captain does all of that." He grinned.

"While primarily interested in boats, he also knew how to fly, at least he was flying helicopters, but what knowledge he does have is how to tell how the wind shifts and what actions to take for a successful trip." Senku explained. "I can tell about the weather, somewhat, but I can't fly like he can."