USNS Arctic

At 51,629 gross tons, USNS Arctic is the 9,530th 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 8.6 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 5,189th by tonnage — larger than 90% 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.

United States is the country of registry for 2,278 vessels in this directory, of which USNS Arctic is the 70th largest by tonnage. The most common class under that flag is vessels this registry holds no type classification for (977 ships), and the median vessel measures 1,706 GT. Browse every ship flagged United States.

Narrowing to both dimensions at once, this registry holds 977 vessels this registry holds no type classification for flying the United States flag, of which 31 are larger by tonnage.

USNS Arctic was built in 2002, making it 24 years old. It is one of 1,298 hulls in this registry delivered that year, a cohort whose median tonnage is 12,563 GT; within it this ship is the 189th largest. Across the whole of the 2000s the registry holds 18,605 vessels, median 9,957 GT. The median build year across the entire registry is 1995.

The registry attributes 48 vessels to NASSCO, with a median tonnage of 43,758 GT, delivered between 1960 and 2021. See the rest of that yard’s output.

At 222.5 m overall, USNS Arctic is 107.5 m longer than the 115.0 m median for vessels this registry holds no type classification for on record, with a beam of 107.0 m and a draft of 39.0 m.

IMO numbers are issued in broadly chronological blocks. Within 500 either side of 8644034 this registry holds 21 other vessels, whose median build year is 1972 and which range from 1943 to 2003. That places this hull’s registration in the same part of the series, consistent with its recorded build year of 2002.

Its IMO number, 8644034, carries its own check digit. The first six digits are weighted seven down to two and summed — 8×7 + 6×6 + 4×5 + 4×4 + 0×3 + 3×2 = 134 — and the last digit of that total, 4, must equal the seventh digit, 4. It does, so this number is well formed.