Archives of Nethys

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Mechs | Terrestrial Vehicles | Starships | Vehicle Modifications


Starship Examples

Armor | Armor (Bulkheads) | Armor (Hulls) | Base Frames | Computers | Crew Quarters | Defensive Countermeasures | Drift Engines | Expansion Bays | Interstellar Drives | Manufacturers | Other Systems | Power Cores | Security | Sensors | Shields | Special Materials | Thrusters | Weapons | Weapon Properties


Expansion Bays

Source Starfinder Core Rulebook pg. 298
Most starships have room within their hull for one or more expansion bays, each of which can be converted to function in a wide variety of roles. Unfilled, these bays are simply storage space (and count as cargo holds), and for many large transport vessels, they remain this way. If a starship’s bays are instead used for guest quarters, the ship can serve as a transport vessel for soldiers, travelers, or refugees. If its bays are filled with medical bays and guest quarters, the ship becomes a mobile hospital.

The following options are available for most ships that have available expansion bays. If an option requires multiple bays, this is noted in its description; if it must consume PCU to function, the amount is listed in the table on page 300. An entire expansion bay must be used for a single purpose, even if it gives you multiple instances of that option. For example, if you select escape pods, that expansion bay gains all six escape pods—you can’t combine three escape pods and one life boat.

The PCU requirement and the Build Point costs of the expansion bay options can be found on page 300.

NamePCUCost (in BP)
Aeon Comm53
Agricultural Suite515
Amenities42
Arcane Laboratory11
Arcane Mortuary12
Arena2015
Atmospheric Bubble25
Biological Experimentation Chamber59
Booster Thruster Housing03
Breaching Pod, Autonomous Combatants57
Breaching Pod55
Breaching Pod, Skilled Autonomous Combatants59
Breaching Pod, Specialized Autonomous Combatants511
Brig11
Cargo Hold00
Combat Training Facility, Advanced58
Combat Training Facility, Basic33
Combat Training Facility, Elite510
Conference and Meeting Rooms11
Corpse Recycler22
Cryo-chamber105
Cultural Preparation Facility32
Decoy Husk15 + size category4 x size category
Dedicated Computer Housing02
Display Room11
Docking Canopy154
Drift Booster4020
Drift Shadow Projector515
Drift Stasis Unit1510
Drone Tube155
Drop Pod, Colossal1010
Drop Pod55
Escape Pods21
External Expansion Bay03
Fuel Synthesizer41
Garage56
Garage, Massive1010
Ghost Drive105
Guest Quarters11
Habitat Simulator46
Hanger Bay3010
Healing Pods23
Hive Bay510
Hydroponic Garden05
Imperial Shrine11
Industry4010
Launch Tubes105
Lido210
Life Boats53
Mech Bay1515
Medical Bay48
Menagerie15
Park12
Passenger Seating00
Power Core Housing010
Quantum DefenderSpecial Special
Quick-skip Module105
Recreation Suite, Gym01
Recreation Suite, HAC31
Recreation Suite, Trivid Den11
Recycling System21
Sample Acquisition Bay710
Science Lab21
Sealed Environment Chamber21
Shuttle Bay104
Sky Crane105
Smuggler Compartment42
Surveying Sensors33
Synthesis Bay21
Tactical Sensor Tank21
Tech Workshop31
Telelith Matrix108
Temple01
Thrusters Primer51
Vault32
Zero-G Hold22