How to Get Seatruck Docking Module in Subnautica: Below Zero

Seatruck Docking Module unlocks by scanning 3 fragments, 3 s per scan. The files place 5 fragment pins for it.

Data: Subnautica: Below Zero game files (build of 12 Aug 2025), read and drawn by PinDrop. (c) Unknown Worlds Entertainment. PinDrop is fan-made and not affiliated with Unknown Worlds Entertainment.

Open on the full map
Fragment pin (5)The view is cropped to the pins; each dot opens that pin on the full map.

How to unlock Seatruck Docking Module

Scan fragments

Pieces needed
3
Scan time
3 s
Fixed pins
5

The fragment is called "Seatruck Docking Module Fragment" in the game.

The game files read for this page do not say whether you start with this blueprint.

Where the pins are

Depth in metres: negative is below sea level, positive above.

Pins for Seatruck Docking Module
PinAreaDepth (m)PositionMap
FragmentPurple Vents-339x 438, z -551Show on map
FragmentPurple Vents-246x 414, z -648Show on map
FragmentLily Pads-281x 455, z -723Show on map
FragmentPurple Vents-164x 373, z -586Show on map
FragmentPurple Vents-197x 397, z -561Show on map

What Seatruck Docking Module needs

In-game description: "Rear-only Seatruck docking module allows you to take your Prawn Suit along for the ride!"

  • Plasteel ingot

    x 1

  • Advanced wiring kit

    x 1

  • Lead

    x 3

Crafted at: Mobile vehicle bay.

Menu path in the files: Mobile vehicle bay: Modules > Sea Truck Docking Module.

About the Seatruck Docking Module blueprint

Seatruck Docking Module needs 3 fragments scanned. The game files place 5 fixed fragment pins for it, in Purple Vents, Lily Pads. Once unlocked it is made from 1 plasteel ingot, 1 advanced wiring kit, 3 lead.

See all data boxes and fragments, or the full crafting list.