Tanko

At 158,529 gross tons, Tanko is the 960th 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 26 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 500th 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.

Malta is the country of registry for 2,640 vessels in this directory, of which Tanko is the 40th largest by tonnage. The most common class under that flag is vessels this registry holds no type classification for (1,614 ships), and the median vessel measures 23,204 GT. Browse every ship flagged Malta.

Narrowing to both dimensions at once, this registry holds 1,614 vessels this registry holds no type classification for flying the Malta flag, of which 16 are larger by tonnage.

Tanko was built in 1974, making it 52 years old. It is one of 2,111 hulls in this registry delivered that year, a cohort whose median tonnage is 1,681 GT; within it this ship is the 5th largest. Across the whole of the 1970s the registry holds 17,331 vessels, median 2,774 GT. The median build year across the entire registry is 1995.

At 370.0 m overall, Tanko is 255.0 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 7358987 this registry holds 73 other vessels, whose median build year is 1975 and which range from 1974 to 1977. That places this hull’s registration in the same part of the series, consistent with its recorded build year of 1974.

Its IMO number, 7358987, carries its own check digit. The first six digits are weighted seven down to two and summed — = 167 — and the last digit of that total, 7, must equal the seventh digit, 7. It does, so this number is well formed.