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A public reference property of Baalvion
Open data · every figure carries its source

Largest in this registry
#8,320
of 84,014 with a recorded tonnage
Largest rig / offshore unit
#71
of 856 of this type with a recorded tonnage
Fleet rank
—
No operator attributed to this ship
Vessel particulars
Every value is as recorded in the source. Blanks are values the source does not hold — none is estimated from a sister ship or a class average.
Identification
Construction
Measurements
In context
Every figure in this section is a count, a rank or a percentile over vessels actually held in this registry — not over the world fleet, which is larger. Nothing here is estimated.
At 58,294 gross tons, Stena Forth is the 8,320th 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 9.7 times the typical vessel on record here. The largest measures 499,167 GT.
Among the 911 rig / offshore units held here, it ranks 71st by tonnage — larger than 92% of that group. Their median tonnage is 9,254 GT, and the largest tenth begin at 51,732 GT. The flag most often flown by this group is Liberia (179 ships). The yard that appears most often against it is Hanwha Ocean, with 27 hulls on record.
United Kingdom is the country of registry for 2,394 vessels in this directory, of which Stena Forth is the 153rd largest by tonnage. The most common class under that flag is vessels this registry holds no type classification for (1,835 ships), and the median vessel measures 2,515 GT. Browse every ship flagged United Kingdom.
Narrowing to both dimensions at once, this registry holds 3 rig / offshore units flying the United Kingdom flag, of which none is larger than Stena Forth.
Stena Forth was built in 2009, making it 17 years old. It is one of 2,834 hulls in this registry delivered that year, a cohort whose median tonnage is 11,673 GT; within it this ship is the 406th 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.
The registry attributes 826 vessels to Samsung Heavy Industries, with a median tonnage of 75,201 GT, delivered between 1980 and 2025. See the rest of that yard’s output.
At 228.3 m overall, Stena Forth is 154.3 m longer than the 74.0 m median for rig / offshore units on record.
IMO numbers are issued in broadly chronological blocks. Within 500 either side of 9428932 this registry holds 68 other vessels, whose median build year is 2009 and which range from 2007 to 2019. That places this hull’s registration in the same part of the series, consistent with its recorded build year of 2009.
Its IMO number, 9428932, carries its own check digit. The first six digits are weighted seven down to two and summed — 9×7 + 4×6 + 2×5 + 8×4 + 9×3 + 3×2 = 162 — and the last digit of that total, 2, must equal the seventh digit, 2. It does, so this number is well formed.
Nearest by tonnage among rig / offshore units
| Ship | Built | Gross tonnage |
|---|---|---|
| Deepwater Mykonos | 2011 | 59,610 |
| Deepwater Orion | 2011 | 59,610 |
| Saipem 10000 | 2000 | 59,221 |
| Stena Forth (this ship) | 2009 | 58,294 |
| Deepsea Bollsta | 2019 | 57,604 |
| FPSO Cidade De Itajai | 1985 | 57,516 |
Same yard, same years
No ship class is recorded for this vessel, so these are not asserted to be sister ships — they are contemporaries from the same builder, shown because that is what the data supports.
Umm Slal
2008 · 163,922 GT · Marshall Islands
Al Mayeda
2009 · 163,922 GT · Marshall Islands
Al Mafyar
2009 · 163,922 GT · Marshall Islands
Mekaines
2009 · 163,922 GT · Marshall Islands
Mozah
2008 · 163,922 GT · Marshall Islands
Shagra
2009 · 163,922 GT · Marshall Islands
Bu Samra
2008 · 163,922 GT · Marshall Islands
Al Dafna
2009 · 163,922 GT · Marshall Islands
Provenance
Vessel recordWikidata, released under CC0, keyed on this ship’s IMO number.
Written summaryNo English Wikipedia article is linked to this vessel, so no summary is shown.
PhotographBy Niels Johannes, reused under CC BY-SA 4.0.
| Ensco DS-8 |
| 2015 |
| 57,335 |