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The Seamoth is a fast, safe mode of transport, but remember that swimming is good for your glutes and endorphin levels.

SeamothVO

― PDA, Dialogue

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The Seamoth is a small, versatile one-person submersible capable of sustained high-speed travel over considerable distances. It boasts an omnidirectional propulsion system that allows for lateral and vertical movement at relatively constant speeds no matter the vehicle's orientation.

As with the Cyclops and Prawn Suit, the Seamoth comes equipped with a locator beacon that produces an image on the HUD showing the distance of the vehicle from the player. It can be fitted with a number upgrades and modifications that enhance performance and durability. These can be crafted in a Moonpool equipped with a Vehicle Upgrade Console.

Before the Seamoth can be constructed, its fragments must first be scanned. Several can be found in the numerous Wrecks in the Grassy Plateaus surrounding Lifepod 5 and in the Aurora.

Overview

The Seamoth is an electrical vehicle and requires energy from a Power Cell in order to function. It generates its own oxygen supply. When exiting while the vehicle is moving, the Seamoth will preserve its momentum and place the pilot behind it. The pilot should be careful not to exit while quickly moving with dangerous creatures around, as the Seamoth may move away before the pilot can get back in, leaving them vulnerable to attack.

Controls

  • Enter the Seamoth by clicking the left mouse button (LMB) when prompted on PC and Mac, or pulling the left trigger or pressing the A button on the Xbox One.
  • Exit the Seamoth by pressing the E key (E) on PC and Mac, or pressing the B button on Xbox One.
  • Toggle the Seamoth's headlights on or off by clicking the left mouse button (LMB) on PC and Mac, or pulling the right trigger on Xbox One.

Recipe

Titanium IngotPower CellGlassGlassLubricantLeadArrow-right (1)Mobile Vehicle BayArrow-right (1)Seamoth


Hazards

The Seamoth has a hull integrity readout, which will decrease if the craft is attacked by hostile creatures, crashes into objects (including some plants), is exposed to temperatures greater than 70°C or exceeds its maximum crush depth. The player can repair this damage with the Repair Tool. Once the Seamoth's health reaches 0%, it will explode. The acidic brine in the Lost River deals periodic damage.

Upgrades and Customization

The Seamoth can be customized with the Vehicle Upgrade Console, which the player can use to craft upgrades and change the vehicle's name and color scheme. Upgrades can be installed and swapped via a panel on the left wing. Opening this panel reveals four slots. The storage, hull reinforcement and engine efficiency modules are compatible with the Prawn Suit.

Seamoth Depth Module MK1

Depth Compensator

Increases the vehicle's maximum crush depth, enabling it to survive greater pressure. Each successive module doubles the added crush depth of the last. This effect does not stack.

Modules Crush Depth
None 200 m
Mk I 300 m
Mk II 500 m
Mk III 900 m
Seamoth Storage Solution

Internal Storage

Install a sixteen-slot storage compartment in each wing. Effect stacks with multiple modules. (If the stacking effect or number of slots is incorrect, please rectify)

Modules Slots
1 16
2 32
3 48
4 64
Seamoth Hull Reinforcement

Hull Reinforcement

Strengthens the chassis with a diamond lattice, permanently increasing hull durability. Decreases incoming damage by 20% and completely eliminates damage from ambient environmental hazards. Effect stacks with multiple modules.

Modules Damage Reduction
1 20%
2 40%
3 60%
4 80%
Seamoth Power Efficiency Module

Engine Efficiency

Increases maximum battery life by recycling engine thermal waste and decreases total power consumption by 15%. Effect stacks with multiple modules.

Modules Power Use Reduction
1 15%
2 30%
3 45%
4 60%
Seamoth Solar Charger

Solar Charger

Replenishes the onboard power supply by harnessing photonic energy. The charge rate depends on the time of day and depth of water.

Time of Day Charge Rate/Hr
Morning (6 am-10 am) 15%
Noon (10 am-2 pm) 30%
Evening (2 pm-6 pm) 15%
Night (6 pm-6 am) 0%
Depth of Water (At Noon)
0-50 m (0-164 ft) 30%
50-100 m (164-328 ft) 20%
100-150 m (328-492 ft) 10%
150-200 m (492-656 ft) 0%
Seamoth Perimeter Defense System

Perimeter Defense System

Generates a localized electrical field to discourage and repel aggressive fauna. Has a chance of killing smaller aggressive species.

(Activate by pressing the assigned hotkey on PC and Mac or pressing the appropriate button on Xbox One)

Seamoth Torpedo System

Torpedo System

Standard-issue underwater payload delivery system that has been adapted to fire torpedoes.

Torpedo Effect Damage
Gas Poison 25/sec
Vortex Immobilize 0/sec
Seamoth Sonar

Sonar System

Detects the topographical layout of the surrounding seabed with sonic pulses and displays the data on the HUD.

(Activate by clicking on the icon in the lower center of the screen on PC and Mac or pressing the appropriate button on Xbox One)

Data Bank Entry

Seamoth Data Bank Image

The seamoth is a one-person vehicle with an independent, replaceable power cell fitted in the rear and a fully customizable design. Low power, multi-directional thrusters enable it to function equally well in sea or space environments.

Most long-range vessels carry at least two vehicles of this class to facilitate the exploration and exploitation of small astronomical bodies, however, they can also be fabricated at a standard mobile vehicle bay.

Ratings:

  • Top Speed: 13m/s
  • Acceleration: 5m/s/s
  • Distance per power cell: 10km
  • Crush depth: 200m below sea level
  • Upgrade module slots: 4
  • Dimensions: 3m x 1.5m x 1m
  • Persons: 1


A seamoth may be modified by installing upgrade modules to the access point mounted on the wing. These include:

  • Increased cargo storage
  • Superior power
  • Pressure and collision compensation
  • Enhanced sonar
  • Defensive capabilities


NB These modules may only be manufactured at a moonpool outfitted with a vehicle modification station.


'The Seamoth: It goes anywhere but land.'

CORRUPTED

Gallery

</gallery> Subnautica_seamoth_1.jpg|Upgraded Seamoth #1 - by Seamoth Upgrade Concept Art (2).png|Upgraded Seamoth #2 - by

Trivia

  • The old Seamoth Pressure Compensator (Depth Module) has the same crush depth of a Cyclops Ultra Hull Reinforcement Module. However, it is now unobtainable, having been replaced by the Depth Module, and cannot be upgraded. If a player has one, it is considered a separate item from the Pressure Compensator.
  • The Seamoth's AI used to occasionally say "I love it when you come inside me" instead of "Welcome aboard, Captain." This was a joke slipped in by the sounds producer, Simon Chylinski. After discussing the line with the dev team, Simon removed it as a lot of minors and families play Subnautica.

References