Japan is the country of registry for 2,663 vessels in this directory. The most common class under that flag is vessels this registry holds no type classification for (1,534 ships), and the median vessel measures 764 GT. Browse every ship flagged Japan.
Narrowing to both dimensions at once, this registry holds 241 ferrys flying the Japan flag.
Ferry Dougo was built in 2016, making it 10 years old. It is one of 1,628 hulls in this registry delivered that year, a cohort whose median tonnage is 26,388 GT. Across the whole of the 2010s the registry holds 20,111 vessels, median 23,456 GT. The median build year across the entire registry is 1995.
IMO numbers are issued in broadly chronological blocks. Within 500 either side of 9815056 this registry holds 38 other vessels, whose median build year is 2018 and which range from 2015 to 2020. That places this hull’s registration in the same part of the series, consistent with its recorded build year of 2016.
Its IMO number, 9815056, carries its own check digit. The first six digits are weighted seven down to two and summed — 9×7 + 8×6 + 1×5 + 5×4 + 0×3 + 5×2 = 146 — and the last digit of that total, 6, must equal the seventh digit, 6. It does, so this number is well formed.
