From Pathfinder Lost Omens The Grand Bazaar, which isn't enabled.

Wind-Catcher

ITEM 7

Price 350 gp

Usage applied to a wind powered vehicle

Bulk —

This rune is invested by the captain or pilot of the vehicle. The vehicle gains a +5-foot item bonus to its Speed. If lack of wind prevents the vehicle from moving, it can still move at a Speed of 5 feet.

Pathfinder Lost Omens The Grand BazaarOGL