Rui Bo

At 11,435 gross tons, Rui Bo is the 34,174th 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 1.9 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 19,333rd by tonnage — larger than 61% 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.

Kiribati is the country of registry for 72 vessels in this directory, of which Rui Bo is the 13th largest by tonnage. The most common class under that flag is vessels this registry holds no type classification for (45 ships), and the median vessel measures 2,490 GT. Browse every ship flagged Kiribati.

Narrowing to both dimensions at once, this registry holds 45 vessels this registry holds no type classification for flying the Kiribati flag, of which 8 are larger by tonnage.

Rui Bo was built in 1984, making it 42 years old. It is one of 1,492 hulls in this registry delivered that year, a cohort whose median tonnage is 4,366 GT; within it this ship is the 526th largest. Across the whole of the 1980s the registry holds 13,213 vessels, median 3,004 GT. The median build year across the entire registry is 1995.

At 148.0 m overall, Rui Bo is 33.0 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 8400581 this registry holds 58 other vessels, whose median build year is 1985 and which range from 1983 to 1987. That places this hull’s registration in the same part of the series, consistent with its recorded build year of 1984.

Its IMO number, 8400581, carries its own check digit. The first six digits are weighted seven down to two and summed — = 111 — and the last digit of that total, 1, must equal the seventh digit, 1. It does, so this number is well formed.