Hi all,
I came across this drawing in a Russian forum. It seems to indicate that the Soviets were planning to convert a commercial ro-ro of the KAPITAN SMIRNOV type (project 1609) into a helicopter carrier (project 10210 Khalzan). Alternativaly, it could also just be that the navy was planning to build the project 10210 based on the hull design of the project 1609, but my Russian is not that good: