 There is very little data on the K-200 and contemporary illustrations of the K-200 are based on speculation.Drawing on the company's E11K1 and K-60 designs, the K-200 was to use six turbojets.The suggestion that the K-200 was intended to replace other long-range heavy flying boats in Imperial Japanese Navy (IJN) service and that the K-200 was also proposed as the delivery platform to carry a Japanese nuclear weapon to the United States are not supported with evidence.