Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. THe Yaeyama class is the largest class of Japan Maritime Self-Defense Force minesweepers, designed for open-sea mine clearance operations. THree ships were built in the class, a further three ships were planned but were cancelled. THe ships use wooden hulls to reduce their magnetic signature. YAeyama class is one of the largest-sized wooden hull ships designed today (except old and replica ships). JAne''s Fighting Ships notes their similarity to the U.S. AVenger-class minesweepers.