The massive ship that nearly hit a bridge with 2 feet to spare
In short: When Oasis of the Seas first departed Finland in 2009, it faced a physics puzzle: how to fit a record-breaking hull under a low bridge. The solution required a mix of specialized engineering, high-speed navigation, and a phenomenon known as the squat effect.
Designed under the codename "Project Genesis," Oasis of the Seas was built by STX Europe Turku Shipyard in Finland. When it launched in 2009, it shattered records with a capacity of 6,669 passengers. However, its sheer size presented immediate logistical hurdles. During its first float-out, tugboats failed to control the vessel, causing it to strike a dock and sustain cosmetic hull damage.
The ship's most dramatic moment occurred on October 31, 2009, as it exited the Baltic Sea. It had to pass under Denmark's Great Belt Fixed Link, which has a clearance of only 65 meters (213 feet). Because the ship's normal air draft is 72 meters (236 feet 3 inches), engineers had to retract its telescoping funnels. To gain an extra 30 centimeters (12 inches) of space, the ship traveled at 23 knots, utilizing the "squat effect"—where a vessel moving through shallow water is drawn deeper into it. It cleared the bridge with less than 60 centimeters (2 feet) of clearance.
To maintain stability despite its wide hull design, only about 9.3 meters (30 feet 6 inches) of the ship sits beneath the water. While this makes the vessel "snappy" in waves, its massive scale allows it to remain stable in seas exceeding 12 meters (39 feet). The ship is powered by six marine-diesel generating sets that convert fuel into electricity for everything from elevators to propulsion via three 20,000-kilowatt Azipods. It even features solar panels covering 1,950 square meters (21,000 square feet) on its upper decks.
The vessel's history is marked by both engineering feats and safety incidents. In 2018, it suffered crane collapses during maintenance in the Bahamas, and it has been involved in several overboard incidents and a COVID-19 outbreak in early 2020 that resulted in three crew fatalities.
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Sources
- Summary by Intellect · source: Oasis of the Seas
- Also: Wikidata — Oasis of the Seas · CC0
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