| IMO | 9725433 |
|---|---|
| Gross tonnage | 47,800 GT |
| Length | 228.3 m |
| Beam | 28.8 m |
| Passenger capacity (double) | 930 |
| Crew | 480 |
| Builder | Fincantieri |
| Hull number | 6246 |
| Launched | 2016 |
| Maiden voyage | 2017 |
| Operator | Viking Cruises |
| Status | Active |
| All names | Zhao Shang Yi Dun; Viking Sun |
Overview
Zhao Shang Yi Dun was the Chinese name of the cruise ship built in 2017 as Viking Sun, the fourth of Viking's ocean ships. In April 2021 she was transferred to China Merchants Viking Cruises — a joint venture between Viking and China Merchants Shekou — reflagged to China and renamed for China Merchants Group's first steamer, the Yi Dun of 1872, becoming the joint venture's flagship and the ship marketed as China's first luxury cruise vessel. Her story has a third act that the original roster, frozen in October 2026, only just caught the start of: in March 2026 she was renamed Viking Yi Dun and rejoined the Viking fleet under the Norwegian flag, as the fate section below records. She is therefore the rare hull in this directory whose page is a biography of three names in nine years.
Key specifications
The dataset records 47,800 GT, 228.3 m length, 28.8 m beam, maximum capacity 1,443, Fincantieri hull 6246, IMO 9725433, launched and maiden voyage both 2017. Her own article gives 47,842 GT — the dataset figure is the class rounded number — length 228.2 m, draught 6.45 m, ice class 1C, capacity 930 passengers and crew 480. The dataset's maximum capacity of 1,443 cannot be reconciled with those figures (930 guests plus 480 crew totals 1,410 persons) and is logged in this batch's notes as a suspected error; the 930-guest figure, common to her article and to every account of her Viking and China Merchants service, is used in this guide. Her propulsion is diesel-electric — two MAN 9L and two MAN 12V engines driving twin shafts — with a service speed of 17 knots and a maximum of 20 knots per her article; the dataset records no speed. Her dataset "launched 2017" is her completion and delivery year: she was floated out at Ancona on 15 December 2016, the date established in the launch section below and logged accordingly.
Design and construction
She was built by Fincantieri at Ancona as hull 6246, the fourth unit of Viking's ocean-ship series — the same 47,800 GT, 930-guest design as her sisters, with all-veranda staterooms and Scandinavian interiors. Within the class she sits between Viking Sky and Viking Orion, and her construction carried a Chinese thread from the start: her float-out madrina in December 2016 was Yi Lou, a China Merchant Bank Financial Leasing executive, chosen — as the class history cited below explains — because she was planned as the first Viking ocean ship to call in China, on the world cruise she was about to make.
Naming, launch and maiden voyage
She was floated out at Ancona on 15 December 2016 in a traditional ceremony — blessed by her madrina Yi Lou, with the customary coins welded beneath her mast, one of them a 1911 coin honouring Ragnhild "Mamsen" Hagen, mother of Viking's chairman and namesake of the Mamsen's deli aboard every Viking ship. Delivered at Ancona on 25 September 2017, she sailed her first passenger voyage from Venice on 4 October 2017. Her formal christening came later and far away: on 8 March 2018, mid-way through Viking's inaugural 141-day world cruise from Miami, she was named at Shanghai by Yi Lou — the first cruise-ship naming held on Shanghai's Bund, with a bottle of Norwegian aquavit broken against her bow. Her names, in sequence, honour first the sun of Viking's celestial naming scheme, and then — as Zhao Shang Yi Dun — the Yi Dun, the first merchant steamer of the China Merchants fleet in 1872, her article recording the namesake explicitly.
Career by operator
| Period | Name | Operator |
|---|---|---|
| 2017–2021 | Viking Sun | Viking Ocean Cruises |
| 2021–2026 | Zhao Shang Yi Dun | China Merchants Viking Cruises |
| 2026–present | Viking Yi Dun | Viking Cruises |
Her Viking career peaked early: delivered in September 2017, she was chosen that December to launch Viking's first-ever world cruise, the sold-out 141-day Miami-to-London voyage that defined the young ocean line's ambition. In April 2021 ownership was transferred for operation by China Merchants Viking Cruises, the Viking–China Merchants Shekou joint venture agreed in 2019 and concluded in late 2020; she was renamed Zhao Shang Yi Dun, registered at Qianhai, Shenzhen, and homeported at Shekou Cruise Center — Chinese registration being the point of the exercise, since it allowed her to sail Chinese coastal voyages under cabotage rules. Marketed at the top of the Chinese domestic market, she later broadened to Japan itineraries and international marketing. In February 2026 China Merchants listed the ship for sale through the Beijing Equity Exchange, and on 24 March 2026 she was renamed Viking Yi Dun at Shekou, reflagged to Norway, with China Merchants branding removed, rejoining Viking's fleet.
Onboard character
As built, her onboard character is the Viking ocean class character described in the Viking Venus guide in this batch: all-veranda accommodation with no inside cabins, quiet Scandinavian public rooms, an Explorers' Lounge and a Nordic spa. The China Merchants chapter adapted that hardware to a different service culture rather than rebuilding it: full Chinese-language service, Chinese menus and signage, and programming aimed at affluent Chinese travellers seeking a slower, culturally oriented voyage — trade reporting on her sale notes both the strength of that product and the narrowness of the market willing to pay its premium fares, which is the commercial story of her Chinese years.
Major refits and incidents
No major casualty and no structural refit is recorded for this hull in the sources consulted. Her material changes were the two identity conversions: the 2021 adaptation for China Merchants Viking Cruises, undertaken as she moved to Shekou in spring 2021, and the reverse conversion in March 2026, when China Merchants branding was removed, the name Viking Yi Dun was painted on at Shekou and the Norwegian flag restored. Between those bookends her history is operational, not mechanical: a pandemic-era launch of Chinese coastal cruising, a gradual widening to Japanese and international deployment from 2024, and a sale process conducted through a public equity exchange.
Sister ships and class
She is a full sister of the Viking ocean series: Viking Star (2015), Viking Sea (2016), Viking Sky (2017), Viking Orion (2018), Viking Jupiter (2019), Viking Venus (2021, covered in this batch) and the Ancona-built sisters that followed her back to the fleet's European programme. Within that class she holds a unique distinction: she is the only unit to have left Viking service for a foreign-flag joint venture, flown another country's flag under another name for five years, and then returned to the fleet — a round trip no other Viking hull has made. Her hull number 6246 and IMO 9725433 are the constants that make that whole journey one ship's biography rather than three.
Fate and where she is now
The dataset originally recorded her as active under the name Zhao Shang Yi Dun for China Merchants Viking Cruises — true when the roster froze, and superseded within months; the row has since been reconciled. As reported by Cruise Industry News in April 2026, she was renamed Viking Yi Dun on 24 March 2026 at Shekou, reflagged from China to Norway, and rejoined the Viking fleet. Her status remains "active" throughout — a change of identity, not of fortune — and the dataset's stale identity is logged in this batch's notes as its most significant single flag. Few ships demonstrate the directory's one-page-per-hull principle better: Viking Sun, Zhao Shang Yi Dun and Viking Yi Dun are one Fincantieri hull, 6246, and her story is a single story.
Sources: https://en.wikipedia.org/wiki/List_of_cruise_ships, https://en.wikipedia.org/wiki/MV_Viking_Sun, http://castlesoftheseas.nl/viking-sun.html, https://cruiseindustrynews.com/cruise-news/2026/04/former-zhao-shang-yi-dun-rebranded-as-viking-yi-dun-rejoins-viking-fleet/