I know on the Voyager Class ships, the aft cabins have hinged doors. I am not sure if the say holds true for the Radiance Class.
Mary Lou Scanlon
NCL Pride of America April 24, 2010
NCL Epic February 12, 2011
RCCL Allure of the Seas - September 18, 2011
Celebrity Eclipse - February 11, 2012:
RCCL Navigator OTS - February 9, 2013