«Siem Diamond»

At 7,473 gross tons, «Siem Diamond» is the 39,466th 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 1.2 times the typical vessel on record here. The largest measures 499,167 GT.

Among the 1,471 tugs held here, it ranks 8th by tonnage — larger than 99% of that group. Their median tonnage is 393 GT, and the largest tenth begin at 1,733 GT. The flag most often flown by this group is United States (239 ships). The yard that appears most often against it is Damen Shipyards Gorinchem, with 62 hulls on record.

France is the country of registry for 517 vessels in this directory, of which «Siem Diamond» is the 154th largest by tonnage. The most common class under that flag is vessels this registry holds no type classification for (313 ships), and the median vessel measures 2,161 GT. Browse every ship flagged France.

Narrowing to both dimensions at once, this registry holds 15 tugs flying the France flag, of which none is larger than «Siem Diamond».

«Siem Diamond» was built in 2010, making it 16 years old. It is one of 3,028 hulls in this registry delivered that year, a cohort whose median tonnage is 20,204 GT; within it this ship is the 1,893rd 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.

The registry attributes 103 vessels to Kleven Verft, with a median tonnage of 5,388 GT, delivered between 1963 and 2019. See the rest of that yard’s output.

At 91.0 m overall, «Siem Diamond» is 58.7 m longer than the 32.3 m median for tugs on record.

IMO numbers are issued in broadly chronological blocks. Within 500 either side of 9417749 this registry holds 81 other vessels, whose median build year is 2009 and which range from 2006 to 2012. That places this hull’s registration in the same part of the series, consistent with its recorded build year of 2010.

Its IMO number, 9417749, carries its own check digit. The first six digits are weighted seven down to two and summed — 9×7 + 4×6 + 1×5 + 7×4 + 7×3 + 4×2 = 149 — and the last digit of that total, 9, must equal the seventh digit, 9. It does, so this number is well formed.