Ai Maru

At 3,758 gross tons, Ai Maru is the 48,830th 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 1.6 times smaller than 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 27,856th by tonnage — larger than 44% 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 Ai Maru is the 713th 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 330 are larger by tonnage.

Ai Maru was built in 2004, making it 22 years old. It is one of 1,485 hulls in this registry delivered that year, a cohort whose median tonnage is 17,188 GT; within it this ship is the 970th 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.

At 104.8 m overall, Ai Maru is 10.2 m shorter 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 9327762 this registry holds 51 other vessels, whose median build year is 2006 and which range from 2004 to 2008. That places this hull’s registration in the same part of the series, consistent with its recorded build year of 2004.

Its IMO number, 9327762, carries its own check digit. The first six digits are weighted seven down to two and summed — = 152 — and the last digit of that total, 2, must equal the seventh digit, 2. It does, so this number is well formed.