24 × Type 96 510 m (1,673 ft 3 in) anti-submarine nets or 100 × Type 93 naval mines
The Hatsutaka-class minelayer(初鷹型敷設艦,,Hatsutaka-gata Fusetsukan?) was a class of minelayers of the Imperial Japanese Navy (IJN), serving during World War II. They have three sub classes, this article handles them collectively.
Project number was H12. First production model of the Hatsutaka-class. 2 vessels were built in 1938-40 under the Maru 3 Programme (Ship # 7 - 8). They were equipped with 4 × 40 mm quick-firing guns for anti-submarine warfare.
Project number was H12B. Second production model of the Hatsutaka-class. Only 1 vessel was built under the Maru 4 Programme (Ship # 102). She was equipped with 2 × 76.2 mm (3.00 in) anti-aircraft cannons. The Wakataka was classed in the Hatsutaka-class in the IJN official documents. The IJN called her the Modified Hatsutaka-class(改初鷹型,,Kai Hatsutaka-gata?) unofficially.
Project number was H12C. The Navy Technical Department revised the Wakataka drawings. Only 1 vessel was planned under the Kai-Maru 5 Programme (Ship # 5039). The IJN called her the Modified Wakataka-class(改若鷹型,,Kai Wakataka-gata?) unofficially.