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Open data · every figure carries its source

Largest in this registry
#50,519
of 84,014 with a recorded tonnage
Largest ro-ro
#508
of 799 of this type with a recorded tonnage
Largest in its fleet
#14
of 41 in this fleet with a recorded tonnage
In brief
MV Isle of Arran (Scottish Gaelic: Eilean Arainn) is a RO-RO ferry operated on the west coast of Scotland by Caledonian MacBrayne. Also known by her local nicknames IOA and The Auld Trooper, she entered service in 1984 on the Ardrossan to Brodick route, serving Arran for nine years before being moved to Kennacraig. She returned to her original route in 2012, supplementing MV Caledonian Isles in summer and becoming a relief vessel for Arran in winter as well as other routes where required. In 2013, she started a new pilot route from Ardrossan to Campbeltown, which became a permanent fixture in 2015. As of 2023, she is one of the oldest vessels in the fleet, having been in service for 40 years; upon arriving into Oban in the West Highlands, celebrations were mounted ashore to mark the 40th anniversary of her launch and service on 2 December 2023.
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 3,296 gross tons, MV Isle of Arran is the 50,519th 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 1.8 times smaller than the typical vessel on record here. The largest measures 499,167 GT.
Among the 877 ro-ros held here, it ranks 508th by tonnage — larger than 36% of that group. Their median tonnage is 7,395 GT, and the largest tenth begin at 34,011 GT. The flag most often flown by this group is Italy (62 ships). The yard that appears most often against it is Flensburger Schiffbau-Gesellschaft, with 16 hulls on record.
United Kingdom is the country of registry for 2,394 vessels in this directory, of which MV Isle of Arran is the 919th 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 25 ro-ros flying the United Kingdom flag, of which 18 are larger by tonnage.
MV Isle of Arran was built in 1984, making it 42 years old. It is one of 1,492 hulls in this registry delivered that year, a cohort whose median tonnage is 4,366 GT; within it this ship is the 818th largest. Across the whole of the 1980s the registry holds 13,213 vessels, median 3,004 GT. The median build year across the entire registry is 1995.
The registry attributes 61 vessels to Ferguson Marine, with a median tonnage of 2,181 GT, delivered between 1939 and 2016. See the rest of that yard’s output.
At 84.0 m overall, MV Isle of Arran is 41.0 m shorter than the 125.0 m median for ro-ros on record, with a beam of 16.2 m and a draft of 3.0 m.
IMO numbers are issued in broadly chronological blocks. Within 500 either side of 8219554 this registry holds 28 other vessels, whose median build year is 1984 and which range from 1982 to 1987. That places this hull’s registration in the same part of the series, consistent with its recorded build year of 1984.
Its IMO number, 8219554, carries its own check digit. The first six digits are weighted seven down to two and summed — 8×7 + 2×6 + 1×5 + 9×4 + 5×3 + 5×2 = 134 — and the last digit of that total, 4, must equal the seventh digit, 4. It does, so this number is well formed.
Nearest by tonnage among ro-ros
| Ship | Built | Gross tonnage |
|---|---|---|
| IMO 6611045 | 1966 | 3,393 |
| Al Ahmed | 1996 | 3,361 |
| Volkan | 1977 | 3,304 |
| MV Isle of Arran (this ship) | 1984 | 3,296 |
| Ionion | 1972 | 3,277 |
| Zhou Qiao 2 | 2003 | 3,267 |
| Albayzin |
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.
Same fleet
Provenance
Vessel recordWikidata, released under CC0, keyed on this ship’s IMO number.
Written summaryQuoted from MV Isle of Arran on English Wikipedia, reused under CC BY-SA 4.0.
PhotographBy User:Dave souza, reused under CC BY-SA 4.0.
| 1994 |
| 3,265 |