The Largest Ship in the World: Facts and Background Information đąđ
- Davide Ramponi

- 18. Juni
- 4 Min. Lesezeit
My name is Davide Ramponi, I am 20 years old and currently completing my training as a shipping agent in Hamburg. On my blog, I take you along on my journey into the fascinating world of shipping. I share my knowledge, my experiences, and my progress towards becoming an expert in the field of Sale and Purchase â the trade with ships.

Today, I want to dive into one of the most impressive and fascinating topics in the shipping world: the largest ship in the world.
When it comes to sheer size, technical brilliance, and operational challenges, these giants of the sea capture the imagination of everyone â not just professionals in the industry.
In this post, Iâll introduce you to the largest ship ever built, its technical specifications, its use, and the unique challenges it faces. Weâll also compare it with other record-breaking vessels and discover some exciting anecdotes from its history. đ
Technical Data of the Largest Ship đâïž
When we talk about the largest ship ever built, the title belongs to the Seawise Giant, also known at different times as Jahre Viking, Happy Giant, and Knock Nevis.Although it was scrapped in 2010, no ship has surpassed it in combined length, weight, and carrying capacity.
Key Technical Facts:
Length: 458.45 meters (1,504.1 feet)
Width (Beam): 68.8 meters (225.7 feet)
Draught (Fully Loaded): 24.6 meters (80.7 feet)
Deadweight Tonnage (DWT): 564,763 tonnes
Gross Tonnage: 260,941 GT
Engine: Single 50,000 hp diesel engine
Speed: Around 16 knots
đ ïž Fun Fact: Fully loaded, the Seawise Giant could not pass through the English Channel, the Suez Canal, or the Panama Canal due to her immense size.
Even today, the Seawise Giant remains the benchmark by which all other supertankers are measured.
What is the World's Largest Ship Used For? âđąïž
The Seawise Giant was primarily built as an Ultra Large Crude Carrier (ULCC) â one of the few ships in history able to transport over 4 million barrels of oil at once.
Main Purposes:
Crude Oil Transport: Moving massive quantities of oil across long distances, mainly between the Middle East and global markets.
Floating Storage and Offloading (FSO):Later in its life, it was converted into a floating storage platform off the coast of Qatar, providing logistical support for offshore oil operations.
Why Build Such a Huge Ship?
Economies of Scale: Larger ships can move oil more cheaply per barrel.
Strategic Storage: Acting as mobile oil reserves for strategic needs.
đ Tip:Â The logic behind super-sized ships was simple: transport more cargo with fewer trips, maximising profits and efficiency.
Challenges in Construction, Operation and Maintenance đąâ ïž
Building and operating a ship of this magnitude was a feat that came with serious challenges.
1. Construction Challenges đïž
Shipyard Capacity: The ship was built at Sumitomo Heavy Industries in Japan â one of the few shipyards capable of handling such a mammoth project.
Material Requirements: The amount of steel required was enormous â approximately 110,000 tonnes.
Precision Engineering: Structural integrity had to be maintained over a length that stretched nearly half a kilometre.
Even slight misalignments during construction could have catastrophic consequences during operation.
2. Operational Challenges âïž
Manoeuvrability: Due to its size and weight, the Seawise Giant needed several kilometres to come to a complete stop.
Limited Port Access: Few ports were deep enough or equipped to handle her draught.
Navigation Restrictions: As mentioned, she couldnât use the major canals, forcing longer alternative routes.
3. Maintenance Challenges đ§č
Hull Maintenance: Cleaning and inspecting such a vast underwater hull required special drydocks and a lot of time.
Safety Compliance: Continuous monitoring was necessary to meet international safety and environmental standards.
Operating the worldâs largest ship was like managing a small floating cityâwith all the logistical demands that implies.
Comparison with Other Impressive Ships âđ
While the Seawise Giant holds the record for overall size, other vessels have their own claims to fame.
Ship Name | Type | Length | Notable Feature |
Ever Ace | Container Ship | 400 meters | Largest container capacity (24,000+ TEU) |
Symphony of the Seas | Cruise Ship | 361 meters | Largest passenger ship |
Pioneering Spirit | Construction Vessel | 382 meters | Heaviest lifting vessel |
Highlights:
Ever Ace: Designed to transport the maximum number of containers efficiently across oceans.
Symphony of the Seas: A floating city with entertainment parks, pools, and theatres on board.
Pioneering Spirit: Capable of lifting entire offshore platforms for decommissioning.
đ Tip:Â "Largest" can mean different things â whether itâs by length, weight, carrying capacity, or purpose!
Interesting Anecdotes About the Largest Ship đâš
Every great ship has great stories, and the Seawise Giant is no exception.
1. Survived a War Attack đ
During the Iran-Iraq War in 1988, the ship was attacked and severely damaged by Iraqi missiles while anchored off Iran.Declared a total loss, she was later salvaged, repaired, and returned to service â an incredible comeback!
2. Multiple Name Changes đ
Throughout her lifetime, the ship changed names several times:
Seawise Giant
Happy Giant
Jahre Viking
Knock Nevis
Each name change marked a new chapter â from commercial carrier to storage platform.
3. Final Retirement â°ïž
In 2009, after decades of service, she was finally sold for scrap. Even dismantling her was a monumental task carried out at the famous shipbreaking yards of Alang, India.
Despite her final fate, the legacy of the Seawise Giant lives on as a symbol of what engineering ambition can achieve.
Conclusion: A Monument to Human Ingenuity â đą
The Seawise Giant â the largest ship ever built â remains a breathtaking achievement in the history of maritime engineering.
Key Takeaways:
The Seawise Giant stretched 458.45 meters long and could carry over 4 million barrels of oil.
It was built for crude oil transport but later served as a floating storage platform.
Constructing, operating, and maintaining such a ship involved overcoming extraordinary challenges.
Many impressive ships exist today, but none have matched the Seawise Giantâs overall dimensions.
Fascinating stories, from war damage to record-breaking feats, make her a legend.
đŹ Have you ever seen a ship that left you speechless with its size? Whatâs your favorite record-breaking ship?
Share your thoughts and experiences in the comments â I look forward to the exchange!





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