Telford 31

At 12,536 gross tons, Telford 31 is the 32,852nd 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 2.1 times the typical vessel on record here. The largest measures 499,167 GT.

Among the 1,423 offshore supplys held here, it ranks 43rd by tonnage — larger than 97% of that group. Their median tonnage is 2,061 GT, and the largest tenth begin at 4,961 GT. The flag most often flown by this group is United States (283 ships). The yard that appears most often against it is North American Shipbuilding, with 55 hulls on record.

Gibraltar is the country of registry for 202 vessels in this directory, of which Telford 31 is the 53rd largest by tonnage. The most common class under that flag is vessels this registry holds no type classification for (109 ships), and the median vessel measures 4,721 GT. Browse every ship flagged Gibraltar.

Narrowing to both dimensions at once, this registry holds 5 offshore supplys flying the Gibraltar flag, of which 2 are larger by tonnage.

Telford 31 was built in 2011, making it 15 years old. It is one of 2,848 hulls in this registry delivered that year, a cohort whose median tonnage is 23,456 GT; within it this ship is the 1,728th 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 111.0 m overall, Telford 31 is 43.9 m longer than the 67.1 m median for offshore supplys on record.

IMO numbers are issued in broadly chronological blocks. Within 500 either side of 8770285 this registry holds 52 other vessels, whose median build year is 2010 and which range from 2006 to 2015. That places this hull’s registration in the same part of the series, consistent with its recorded build year of 2011.

Its IMO number, 8770285, carries its own check digit. The first six digits are weighted seven down to two and summed — = 155 — and the last digit of that total, 5, must equal the seventh digit, 5. It does, so this number is well formed.