
Largest in this registry
#3,600
of 84,014 with a recorded tonnage
Largest offshore supply
#1
of 1,375 of this type with a recorded tonnage
Largest in its fleet
#2
of 5 in this fleet with a recorded tonnage
In brief
About Solitaire
Solitaire is a large deep-sea pipe laying ship. It was at the time of conversion the world's largest pipe-laying ship at 300 metres (984 ft) long (excluding pipe-laying apparatus) and 96,000 tonnes (94,000 long tons; 106,000 short tons). When fully operational she has a crew of 420, a pipe carrying capacity of 22,000 tonnes and a pipe lay speed of more than 9 kilometres (5.6 mi) a day. The ship is owned by the Allseas Group, a Dutch pipelaying and marine construction firm with their headquarters in Switzerland.
Vessel particulars
Identification and dimensions
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
- IMO number
- 7129049
- IMO check digit
- Valid
- MMSI
- 249118000
- Call sign
- 3ECI8
- Flag state
- Malta
- Port of registry
- —
- Vessel class
- —
- Status
- in service
Construction
- Type
- Offshore supply
- Builder
- Mitsubishi Heavy Industries
- Yard number
- 223
- Launched
- —
- Year built
- 1972
- Designed to carry
- —
- Owner
- Allseas
- Operator on record
- —
Measurements
- Gross tonnage
- 94,855
- Net tonnage
- —
- Displacement
- —
- Length overall
- 261.0 m
- Beam
- 40.6 m
- Draft
- 17.6 m
- Service speed
- 14.8 kn
In context
How Solitaire compares
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 94,855 gross tons, Solitaire is the 3,600th 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 16 times the typical vessel on record here. The largest measures 499,167 GT.
Among the 1,423 offshore supplys held here, it ranks 1st by tonnage — larger than 100% 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.
Malta is the country of registry for 2,640 vessels in this directory, of which Solitaire is the 163rd 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 5 offshore supplys flying the Malta flag, of which none is larger than Solitaire.
Solitaire was built in 1972, making it 54 years old. It is one of 1,928 hulls in this registry delivered that year, a cohort whose median tonnage is 2,016 GT; within it this ship is the 65th 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.
The registry attributes 104 vessels to Mitsubishi Heavy Industries, with a median tonnage of 21,438 GT, delivered between 1948 and 2020. See the rest of that yard’s output.
At 261.0 m overall, Solitaire is 194.0 m longer than the 67.1 m median for offshore supplys on record, with a beam of 40.6 m and a draft of 17.6 m.
IMO numbers are issued in broadly chronological blocks. Within 500 either side of 7129049 this registry holds 57 other vessels, whose median build year is 1972 and which range from 1971 to 1973. That places this hull’s registration in the same part of the series, consistent with its recorded build year of 1972.
Its IMO number, 7129049, carries its own check digit. The first six digits are weighted seven down to two and summed — 7×7 + 1×6 + 2×5 + 9×4 + 0×3 + 4×2 = 109 — and the last digit of that total, 9, must equal the seventh digit, 9. It does, so this number is well formed.
Nearest by tonnage among offshore supplys
| Ship | Built | Gross tonnage |
|---|---|---|
| Solitaire (this ship) | 1972 | 94,855 |
| Hai Yang Shi You 201 | 2012 | 53,350 |
| DCV Aegir | 2012 | 50,228 |
| Lewek Constellation | 2014 | 48,949 |
Same yard, same years
Built alongside at Mitsubishi Heavy Industries
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.
Same fleet
Other ships operated by Allseas
Provenance
Where this page comes from
Vessel recordWikidata, released under CC0, keyed on this ship’s IMO number.
Written summaryQuoted from Solitaire (1971 ship) on English Wikipedia, reused under CC BY-SA 4.0.
PhotographBy PR Allseas, reused under CC BY-SA 3.0.




