− | ''? | + | ''This biplane flying boat is the successor to its predecessor, the "Walrus", which was developed and operated in the land of tea.<br>This plane was named after the cute sea otter.<br>Modifications to the engine arrangement structure improved its cruising range and operability, and the plane continued to be used for a long time after the war.<br>This highly versatile plane is now setuped in its ship-born night reconnaissance version. |