Fitting-out, or "outfitting”, is the process in modern shipbuilding
Shipbuilding is the construction of ships and floating vessels. It normally takes place in a specialized facility known as a shipyard. Shipbuilders, also called shipwrights, follow a specialized occupation that traces its roots to before recorded history.Shipbuilding and ship repairs, both...

 that follows the float-out of a vessel and precedes sea trials. It is the period when all the remaining construction of the ship is completed and readied for delivery to her owners. Since most of the fitting-out process is interior work, this stage can overlap with latter stages, such as the sea trials.


After a vessel has been floated (in contemporary shipbuilding) or launched (in traditional shipbuilding), it is then towed out of its drydock and moored at a fitting-out berth. While still afloat, its construction is then continued. Depending on the type of vessel, fitting-out can last weeks or many months. Vessels with comparatively minimal space for human occupation, such as oil tankers, bulk carriers and container ships, can take the least time for fitting. Conversely, passenger ship
Passenger ship
A passenger ship is a ship whose primary function is to carry passengers. The category does not include cargo vessels which have accommodations for limited numbers of passengers, such as the ubiquitous twelve-passenger freighters once common on the seas in which the transport of passengers is...

s take the longest. The process can include:
  • completion of the superstructure,
  • installation of the ship’s power plant, engines, and other machinery,
  • interior equipment and systems, including electrical, plumbing, and HVAC,
  • finishing of interior spaces,
  • and installation of furnishings.

Whatever construction is completed during fitting is also dependent on the shipyard’s capabilities and the availability of equipment prior to floating. For example, Queen Mary 2 was originally to have its propeller pods installed prior to floating, but this was not done until the fitting-out stage.

Contemporary ship construction usually has the vessel returning to drydock several times again for installation of propulsion mechanisms (such as propulsion pods in contemporary vessels) and for the painting of surfaces below the waterline.
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