According to "Boshi Nyuminki" written by Zen monk Tenyo Seikei, who visited Ming in 1468 at the behest of Yoshimasa ASHIKAGA, large ships, whose size were 700 to 1700 goku (a unit of ship size), were used for Kenminsen and 150 persons (including fifty sailors) were on board.
1468に足利義政の命令で明に渡った禅僧の天与清啓が記録した『戊子入明記』によると、遣明船は700～1700石の大型船で150人程度の乗員（内水夫50人）であった。