The current position of RYUKIMARU NO21 is in 33-37.550 N, 135-56.607 E reported at 2026-08-15 15:41:44. RYUKIMARU NO21 (MMSI: 431500760) is a Fishing and is currently sailing under the flag of JPN, with a length overall (LOA) of 18 meters and a width of 4 meters.