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MS Mariner of the Seas

Mariner of the Seas Cococay
Mariner of the Seas in July 2008
History
Name: Mariner of the Seas
Owner: Royal Caribbean International
Port of registry: Nassau,  Bahamas
Builder: Kværner Masa-Yards Turku New Shipyard, Finland
Cost: US$650 million
Yard number: 1348
Christened: 14 November 2003 by Jean Driscoll
Completed: October 2003
Acquired: 29 October 2003
Maiden voyage: 16 November 2003
In service: November 16, 2003-present
Identification:
Status: In service
Notes: First of 5 Voyager-Class ships to get 'Royal Advantage' overhaul
General characteristics
Class and type: Voyager-class cruise ship
Tonnage: 138,279 GT
Length: 1,021.40 ft (311 m)
Beam:
  • 127 ft (38.6 m) - Waterline
  • 157 ft (48 m) - Max
Draft: 29 ft (9 m)
Installed power: 6 × Wärtsilä 12V46 (6 × 12,600 kW)
Propulsion:
Speed:
  • 22 knots (41 km/h; 25 mph) (service)
  • 24 knots (44 km/h; 28 mph) (maximum)
Capacity: 3,114 passengers
Crew: 1,185
Mariner of the Seas
Mariner of the Seas at Rhodes in June 2011.

MS Mariner of the Seas is one of five Voyager-class cruise ships from Royal Caribbean International.

Mariner of the Seas is in the second generation of Voyager-class vessels. It has a capacity for 4,252 passengers. The Mariner differs from similar vessels in that the rear buffet (Windjammer) extends farther aft, and also includes "Jade", an Asian fusion buffet. She has glass balconies which her first generation sisters lacked. She was identical to the Navigator of the Seas, which shared the same design upgrades, but Navigator of the Seas was enlarged during a 2014 revitalization by 1,291 GT.

The ship has a diesel-electric powertrain using three Azipod azimuth thrusters. Each propeller is driven by a double wound 3-phase synchronous motor with 4-bladed fixed-pitch bronze propellers. The motors are mounted outside the hull directly on the propeller shaft inside the pod. The three propellers are arranged so that the center propeller is a pushing on–azimuthing Fixipod-type and the two wing ones are of pulling-azimuthing–type steering propellers.

Although the ship is equipped with anchors, because of the azipods, bow thrusters and GPS navigation the Mariner in good weather is capable of maintaining station without anchoring. Thus, in ports without berthing facilities such as Cabo San Lucas, Mexico, the ship does not generally drop anchor, and maintains position automatically. This helps to reduce damage to coral that may lie at the bottom in bay waters.

Six Wärtsilä Diesel 12V46 generators producing 12,600 kilowatts each for a total of 75,000 kilowatts or 103,000 bhp. All gensets are monitored by the Wärtsilä CBM (Condition Based Maintenance) group by using Wärtsilä automatic data sending concept.

The ship has three ways in which to produce fresh water—Two Alfa Laval Desalt Flash and Energy Recovery Evaporators and one Pall Rochem seawater desalination unit (reverse osmosis) "Rosmarin" 80404-50/300-A-SW


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