The mv Mairangi Bay was a container ship

Container ship

Container ships are cargo ships that carry all of their load in truck-size intermodal containers, in a technique called containerization. They form a common means of commercial intermodal freight transport.-History:...

 owned by Overseas Containers Limited

Overseas Containers Limited

Overseas Containers Limited was a container shipping company formed by a consortium of British shipping companies in 1965. It is not to be confused with Orient Overseas Container Line .-History:...

 (OCL).

History

Mairangi Bay was launched and delivered to OCL in 1978, and was scrapped in 2002 in China. The ship was one of two identical sisters built by Bremer Vulkan shipyard in West Germany

West Germany

West Germany is the common English, but not official, name for the Federal Republic of Germany or FRG in the period between its creation in May 1949 to German reunification on 3 October 1990....

, the other being the MV Resolution Bay

MV Resolution Bay

The MV Resolution Bay was a container ship owned by Overseas Containers Limited .- History :Resolution Bay was launched and delivered to OCL in 1977, and was scrapped in 2002...

. A third ship - the New Zealand Pacific - operated by The New Zealand Shipping Corporation, was save in minor details, identical to the two Bay ships. Owner OCL was to later become P&O Containers Ltd

Peninsular and Oriental Steam Navigation Company

The Peninsular and Oriental Steam Navigation Company, which is usually known as P&O, is a British shipping and logistics company which dated from the early 19th century. Following its sale in March 2006 to Dubai Ports World for £3.9 billion, it became a subsidiary of DP World; however, the P&O...

, which itself merged with Nedlloyd Lines to become P&O Nedlloyd

P&O Nedlloyd

P&O Nedlloyd Container Line Limited was an Anglo-Dutch worldwide ocean-going container shipping line, with dual headquarters in London and Rotterdam. The company was formed in 1997 by the merger of the container-shipping interests of the leading Dutch transportation company Royal Nedlloyd and the...

. Mairangi Bay operated for all three entities, mainly on the UK

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

/Europe

Europe

Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

 to Australia

Australia

Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

/New Zealand

New Zealand

New Zealand is an island country in the south-western Pacific Ocean comprising two main landmasses and numerous smaller islands. The country is situated some east of Australia across the Tasman Sea, and roughly south of the Pacific island nations of New Caledonia, Fiji, and Tonga...

 route.

Statistics

Mairangi Bay had a tonnage of and a top speed of 23 knots. Length was 248.6m, and beam was 32.3m. She was propelled by two 8 cylinder two stroke slow speed crosshead diesel engine

Diesel engine

A diesel engine is an internal combustion engine that uses the heat of compression to initiate ignition to burn the fuel, which is injected into the combustion chamber...

s with a total power output of 53,280 BHP

Horsepower

Horsepower is the name of several units of measurement of power. The most common definitions equal between 735.5 and 750 watts.Horsepower was originally defined to compare the output of steam engines with the power of draft horses in continuous operation. The unit was widely adopted to measure the...

. The MAN engines, model KS8Z90/160A, had a 900mm bore and 1600mm stroke. They were each directly coupled to one of the two propeller

Propeller

A propeller is a type of fan that transmits power by converting rotational motion into thrust. A pressure difference is produced between the forward and rear surfaces of the airfoil-shaped blade, and a fluid is accelerated behind the blade. Propeller dynamics can be modeled by both Bernoulli's...

 shafts, turning them at a maximum 122 rpm. Auxiliary power was provided by five 1,500 kW MaK medium speed diesel alternator

Alternator

An alternator is an electromechanical device that converts mechanical energy to electrical energy in the form of alternating current.Most alternators use a rotating magnetic field but linear alternators are occasionally used...

s. She could carry of containers, 1,223 of them refrigerated (reefer) containers in holds below deck. The reefer capacity was one of the largest of any ship at the time, and the containers when loaded in the holds were connected to the ship's brine circulation system for cooling. The brine was cooled by a large refrigeration

Refrigeration

Refrigeration is a process in which work is done to move heat from one location to another. This work is traditionally done by mechanical work, but can also be done by magnetism, laser or other means...

 plant located in the engine room

Engine room

On a ship, the engine room, or ER, commonly refers to the machinery spaces of a vessel. To increase the safety and damage survivability of a vessel, the machinery necessary for operations may be segregated into various spaces, the engine room is one of these spaces, and is generally the largest...

.