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Default submarines

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Disambig.png This article is about the default submarines included in the game. For the mechanics of submarines themselves, see Submarine.

Barotrauma comes with a selection of default submarines that were created by Regalis. The following is a list of those submarines.

Submarines[edit | edit source]

Aegir Mark III[edit | edit source]

Aegir Mark III3.png
A bulky, old submarine that has been gradually modernized during the decades it has served the fleet.
~ In-game description
Dimensions: 51x18 m
Recommended crew size: 4-5
Compatible with content packages Vanilla 0.7 and Vanilla 0.8

Note that there are two other submarines known as Aegir: the Mark I and the Mark II. They will not be listed here as they are no longer in the game.

The Aegir Mark III is the successor to the Aegir Mark II. It was introduced in an unknown version. It is most notable for being the submarine used in the game's tutorial, in which it is destroyed by a Moloch.

Command[edit | edit source]

The Command Room is placed at the front of the Aegir. It is two stories tall (with no floor/ceiling inbetween), with two large windows allowing observation of the outside ocean. Aside from the expected Navigation Terminal and Status Monitor, the room also contains a Diving Suit, a button to remotely shutdown the reactor, a vent and two exits: one to the crew cabins and one (a hatch) leading to a hallway.

Reactor[edit | edit source]

The Reactor Room, found at the back of the Aegir, is two stories tall.

First Floor[edit | edit source]

The first floor of the Reactor Room is dedicated to the Nuclear Reactor itself. It also contains the Aegir's only Engine, and two Steel Cabinets: one with a multitude of wires, and one with supplies including Fuel Rods and Fire Extinguishers.

Second Floor[edit | edit source]

The second floor is far more interesting. It contains an Oxygen Generator, two batteries, a Fabricator and a Deconstructor. Like the first floor, it also has two Steel Cabinets, both of which are stocked with various electrical components.

Airlock[edit | edit source]

The Airlock is at the lower back of the Aegir. It contains three Diving Suits and a single empty Metal Crate. The first of the two Steel Cabinets contains diving gear such as handheld sonars, diving masks and underwater scooters.

Nehalennia[edit | edit source]


The Nehalennia is a mostly horizontal submarine, possessing long non-compartmentalized hallways, and featuring two railguns mounted on the front.

Command[edit | edit source]

The command chamber of the Nehalennia is mounted on the top of the vehicle, possessing two floors much like that of the Aegir. This section offers a somewhat panoramic view at the cost of durability, with windows on the bow, stern and dorsal bulkheads respectively. The command chamber also possesses buttons for reactor and bilge control, as while as a docking button for the airlock hatch. As with every default submarine, the command chamber includes a status monitor and navigation terminal.

Engineering[edit | edit source]

Much like the Aegir, the Nehalennia includes a two-story engineering section, decently well-equipped for various functions. Many essential systems, such as an oxygen generator and the Nehalennia's only engine, are included in this section.

Engineering Upper Floor[edit | edit source]

The upper floor of the engineering section contains both life-support and fabrication systems, as while as four windows to offer decent visibility. There are two steel cabinets included, containing primarily fabrication/reactor supplies.

Engineering Lower Floor[edit | edit source]

The lower floor is devoted exclusively to power generation and propulsion, including a reactor, batteries, two junction boxes and a single engine. Due to its vital nature, the lower floor lacks windows, and contains two bilge holes for rapid draining.

Water Management[edit | edit source]

The Nehalennia possesses a unique bilge system, spanning most of its lower deck. Most bilge water flows into a small, windowless room in front of the ballast, where a large bilge pump is located. This "bilge chamber" is often viewed as being a part of the ballast, despite being controlled separately. It does, however, function as a part of the ballast when the door to the ballast is open.

The ballast is a large, non-compartmentalized chamber in the submarine's lowest deck, running roughly two-thirds of the Nehalennia's length. It includes three pumps, as while as a hidden [albeit poorly] supply of nukes for use against major threats.

The Nehalennia includes an airlock towards the bow, immediately behind the railgun room. The airlock itself is adjacent to a room which contains a large amount of diving supplies, including several diving suits. The exterior hatch doubles as a docking port, despite the Nehalennia not being equipped with a shuttle.

Vellamo[edit | edit source]


The Vellamo is a submarine introduced in 0.2. It is known mainly for its large amount of windows, which grants the Vellamo exceptional visiblity at the cost of durability.

Shuttles[edit | edit source]

Shuttles are much smaller submarines used mostly as respawn vessels in multiplayer. They very often don't have their own nuclear reactor and their batteries are often fully charged and can store more kW power than the main submarine.

Only one of the three vanilla submarines have their own shuttle, the Aegier Mark III. Due to this most players will only ever see shuttles when respawning.

Respawn shuttles spawn only if a certain percentage of players has died. This can of course be changed to the server host's desire.

Upon spawning in the shuttle there will be fully stocked diving suits and underwater scooters, the number of spawned suits and scooters is according to the respawned player amount.

They can be used in case the shuttle is not able to dock safely to the main submarine.

Most shuttles have barely any hull, because of that they are easily sunk by most creatures, impact from rocks or other submarines. So knowing how to steer them is crucial.

The Blind Carp[edit | edit source]

The Blind Carp.png

The Blind Carp is a windowless shuttle used most commonly as a respawn shuttle or for retrieval of artifacts. It owes its name to the fact that it has absolutely no windows. Instead, it contains two cameras used for viewing outside the shuttle, two batteries, a Navigator, one shuttle engine and three pumps. As is standard for all shuttles, the Blind Carp contains an airlock used for docking with larger ships.

The Nibbler[edit | edit source]

The Nibbler.png

The Nibbler is a small shuttle that has a relatively large front window, an automatic navigator, two batteries to power the ship, a small shuttle engine, three small pumps and an oxygen generator. As is standard for shuttles, it features an airlock. Like its sibling shuttle the Blind Carp, the Nibbler is best used for retrieval of artifacts.

Trivia[edit | edit source]