Tonegawa

At 160,521 gross tons, Tonegawa is the 742nd largest of the 84,014 vessels in this registry that report a tonnage. The median across that set is 5,994 GT, so this hull is about 27 times the typical vessel on record here. The largest measures 499,167 GT.

Among the 58,086 vessels this registry holds no type classification for held here, it ranks 373rd by tonnage — larger than 99% of that group. Their median tonnage is 5,358 GT, and the largest tenth begin at 54,309 GT. The flag most often flown by this group is Panama (5,698 ships). The yard that appears most often against it is HD Hyundai Mipo, with 615 hulls on record.

Japan is the country of registry for 2,663 vessels in this directory, of which Tonegawa is the 6th largest by tonnage. 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 1,534 vessels this registry holds no type classification for flying the Japan flag, of which 3 are larger by tonnage.

Tonegawa was built in 2018, making it 8 years old. It is one of 1,246 hulls in this registry delivered that year, a cohort whose median tonnage is 18,960 GT; within it this ship is the 64th largest. 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.

At 338.9 m overall, Tonegawa is 223.9 m longer than the 115.0 m median for vessels this registry holds no type classification for on record.

IMO numbers are issued in broadly chronological blocks. Within 500 either side of 9802188 this registry holds 59 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 2018.

Its IMO number, 9802188, carries its own check digit. The first six digits are weighted seven down to two and summed — 9×7 + 8×6 + 0×5 + 2×4 + 1×3 + 8×2 = 138 — and the last digit of that total, 8, must equal the seventh digit, 8. It does, so this number is well formed.