The Maya class was a four-ship class of gunboats of the early Imperial Japanese Navy.
Japanese gunboat Maya off Kure in 1892
Chōkai (鳥海) was an iron-hulled, steam gunboat, serving in the early Imperial Japanese Navy. She was the second vessel to be completed in the four vessel Maya class, and was named after Mount Chōkai in between Yamagata and Akita Prefectures.
Japanese gunboat Chōkai at Sasebo, 1889