Sakman, better known in western sources as flying proas, are traditional sailing outrigger boats of the Chamorro people of the Northern Marianas. They are characterized by a single outrigger and a crab claw sail. They are the largest native sailing ships (ladjak) of the Chamorro people. Followed by the slightly smaller lelek and the medium-sized . They are similar to other traditional sailing ships of Micronesia, like the wa, baurua, and the walap. These ships were once used for trade and transportation between islands.