 Taicang being the lower-Yangtze base of the Zheng He fleet, Fei Xin ended up sailing with the fleet to the South-East Asia and the Indian Ocean four times.Fei Xin is primarily known as the author of the book "Xingcha Shenglan" ("Description of the Starry Raft"; preface dated 1436), in which he recorded what he had seen on his 4 voyages to the southern seas.There are no known mentions of his activities at later dates than 1436, and there is no information about the actual date of his death either.