Ship Builders and Design Language

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Five shipwright conglomerates build most of the commercial hulls in known space. A builder supplies an engineering standard, a parts ecosystem, a maintenance network, a political relationship, and a visual identity that experienced spacers recognize at a distance. A crew that chooses a hull inherits its builder's assumptions about what a ship is for, and keeps them for as long as it flies the ship.

This chapter covers how builder benefits and drawbacks work, the one integration table for mixing builders on a hull, each builder's profile, and patchwork ships. Stat blocks for every hull named here are in Chapter Sixteen.

How Builder Benefits Work

Every system aboard a ship is rated against the builder of that system.

Benefits follow the component. A Signature system gains its benefit when it is installed in a hull from its own builder or from one of that builder's Partners (see Builder Integration below). In any other hull it works as a Standard system.

Drawbacks follow the hull. A Weak drawback belongs to the hull's builder and applies whoever made the installed system. A Viridian hull resists field repair whatever engine is being repaired. A Kharos hull runs hot under fire whoever built its weapons.

Trigger. A benefit or drawback applies only when the system is used in a situation its entry names. A Crown Meridian damage control system adds its Boon Die when the engineer patches damage under fire; it adds nothing to other Craft checks aboard. A Kharos hull's Signature Management drawback applies when the crew tries to hide the ship; it adds nothing to piloting.

One benefit per check. When two Signature systems could apply to one check, choose one. A drawback applies once per situation: a Crown Meridian ship entering Cold Running Mode takes the drawback once for the whole entry, not once per round.

Attacks. A Boon Die that a Signature system adds to an attack counts toward the limit on free Boon Dice per attack in Chapter Fifteen.

Integrated Architecture

A ship has Integrated Architecture when all of the following are true:

• Its hull comes from one builder.
• At least 10 of its 12 core systems come from that builder. The core systems are Hull and Frame, Reactor, Power Distribution, Sublight Engine, Maneuvering Thrusters, Navigation Suite, Sensors, Communications, Life Support, Fire Control, Defensive Control, and Damage Control.
• It has no system recorded as Forced or Forbidden.
• Its firmware and service certification are intact.

A ship with Integrated Architecture gains:

• Remove 1 Bane Die from maintenance and repair checks on its native systems.
• Once per encounter, remove 1 Bane Die from one check made with a Signature system, even when that system's trigger is not fully met.
• Maintenance at an authorized yard of its builder costs 25% less (Chapter Twelve, Maintenance).
• The builder's own Integrated Architecture benefit, listed in its profile.

A ship that loses any condition loses Integrated Architecture until the condition is restored. Chapter Ten covers replacing foreign systems to win it back.

Builder Integration

Components from different builders do not fit each other automatically. This is the only integration table in the book; Chapters Ten, Eleven, Twelve, and Nineteen point here.

Integration Modifiers

Find the relationship between the hull's builder and the component's builder, then apply the modifier to the base installation difficulty in Chapter Ten. The same modifier applies to Craft checks to repair that system (Chapter Eleven). Record the matching status on the ship sheet.

A system installed damaged, rebuilt past its specification, or heavily modified is recorded as Forced whatever its relationship, and uses the Rival modifier.

Weak drawbacks that add Bane Dice to installation (Viridian Non-Native System Installation, Kharos Refined AI Integration, Safa Open Interfaces) add on top of this modifier.

Compatibility Map

These are defaults. A specific yard, treaty, military program, or black-market specialist can change the relationship for one installation; the GM states the new relationship before the check.

Failure Modes

An imperfect installation can leave a lasting defect on the installed system: a failure mode. When one applies, the Mixed-Builder Failure Modes table (Partner, Open, and Rival installations) and the Military Failure Modes table are in Chapter Ten, Mixed-Builder and Military Failure Modes. Those tables are the only copies in this book.

Example: Benefits Across Builders

A Crown Meridian damage control system installed in a Model 20 gains its Crown Meridian benefit, because Openframe is a Crown Meridian Partner; it was installed at +1 Bane Die and is recorded as Certified. The same system in a KR-41 gains no benefit, because Crown Meridian and Kharos are Open to each other; it was installed at +2 Bane Dice, is recorded as Adapted, and works as a Standard system. Neither ship has Integrated Architecture.

Crown Meridian Shipworks

"Crown ships keep flying long after the crew gives up." Dockside saying, Port Meridian

Crown Meridian began as a government-chartered naval yard serving the Irnan Directorate and expanded into commercial shipping, colonial transport, corporate security, and heavy industrial hulls. Its ships keep the assumptions of that first federal contract: absorb damage, hold together after hits, and outlast the emergency. The maintenance manuals are accurate, the access panels are labeled, and the emergency systems are designed for frightened crews. Governments, insurers, and buyers who need a hull to fly for twenty years trust it first. Crown Meridian ships are the most inspectable hulls in known space and the hardest to disguise.

Recognition. A compact armored wedge with a broad prow, recessed bridge, and squared engine housings; graphite-gray and dark gunmetal plating, muted blue-white registry bands, and rectangular inspection markings; utilitarian white work lights and clean compartment seams. Scale 6 and larger hulls add a long armored keel of segmented compartment blocks. In Directorate ports a Crown ship gets favorable lane assignments and fast inspection clearance; in League ports it is routine; in Caliphate ports its Directorate alignment draws extra scrutiny; in Funtari space it is read at once as outside the local engineering tradition.

Crown Meridian Signature Benefits

Integrated Architecture benefit: Once per encounter, prevent 1 System Damage caused by a cascade, overload, or collateral hit.

Crown Meridian Weak Drawbacks

Compatibility: Partner Openframe; Open Kharos, Viridian; Rival Safa.

Crown Meridian Hulls

Crown Meridian designations are initials plus a number, in the style of a federal contract.

Antaean Openframe Consortium

"Openframe sells the ship twice: once in steel and once in licenses." Freight broker's complaint, The Heavens

Openframe dominates commercial hull construction across League space and beyond. Its hulls are built around modular spines, interchangeable bays, standardized cargo clamps, detachable pods, and licensed interfaces, so one hull can be refitted for freight, salvage, passengers, survey, or medical response when the contract changes. Lenders can appraise an Openframe hull because its modules have established resale values; ports can service one because the interfaces are standard; mechanics can modify one because the architecture expects it. Openframe is the default choice for operators who need flexibility and for operators who need a loan. Its hulls are built to carry things, and they fare poorly in a stand-up fight.

Recognition. An exposed structural spine, detachable pods, asymmetrical configurations that change from port to port, orange and cyan license panels, visible serial numbers, external cargo clamps, fold-out utility arms, and standardized docking collars. A used Openframe hull is often easier to identify by what has been added than by the original frame. In League ports it gets priority service and favorable licensing rates; elsewhere it is an ordinary commercial vessel. Caliphate inspectors scan Openframe license panels more deeply, because the open-module architecture suits operators who do not declare everything, and customs officers everywhere check the module manifest against the hull.

Openframe Signature Benefits

Integrated Architecture benefit: Swap one compatible minor module during normal port service without an installation check.

Openframe Weak Drawbacks

Compatibility: Partner Crown Meridian, Kharos, Viridian; Open Safa; no Rival.

Openframe Hulls

Openframe designations are a plain "Model" and number: an open standard with no brand ego.

Viridian Lattice Yards

"A Viridian ship knows what is wrong before you do. It may not explain itself." Spacer saying

Viridian builds the most refined civilian and scientific vessels in known space. Its hulls are known for deep AI integration, medical support, environmental stability, sensor performance, and continuity-stack handling, and every system is designed to work with every other. Viridian builds the Shoiyan Concord's civilian fleet and is the first choice of medical networks, research institutions, and anyone whose work depends on gathering or preserving valuable information. The same integration that makes the ships capable makes them hard to repair with another builder's parts or far from a certified yard; owners accept that cost for capability the other builders cannot match in Viridian's Signature areas.

Recognition. Pearl ceramic hulls with almost no visible seams, dark teal glass, viridian-green status glow strips, sweeping curved radiator fins, and fine sensor lattice lines recessed into the hull. Scale 6 and larger hulls add overlapping petal-like layers around a protected core. In Concord ports a Viridian ship is the expected thing. Elsewhere it marks its owners as well funded, probably not desperate, and better equipped than the hull size suggests.

Viridian hulls ship as the "C-spec": the standardized revision that follows the prototype. Later standard revisions increment the suffix (C1, C2, C3).

Viridian Signature Benefits

Integrated Architecture benefit: Once per encounter, add 1 Boon Die to a native Navigation, Sensors, Medical, or Life Support check the ship's AI assists.

Viridian Weak Drawbacks

Compatibility: Partner Openframe; Open Crown Meridian; Rival Kharos, Safa.

Viridian Hulls

Kharos Forge Cooperative

"A Kharos ship breaks every week and never stops flying." Frontier saying, Harrowspan

Kharos is a network of clan yards, foundries, licensed workshops, and family manufacturers working to shared standards. Its hulls are built for hard places: poor infrastructure, scarce parts, untrained replacements, and repairs made with whatever is on hand. Every system that needs maintenance is accessible, and no access panel needs a proprietary tool. A competent mechanic with basic tools can diagnose any fault without a manual. Kharos engines push hard when asked, and the ships survive conditions that kill other hulls. They are loud, rough, and hard to pass off as anything else.

Recognition. Exposed trusses and ribs, oxidized steel, blackened red-brown armor, yellow hazard paint on equipment areas, oversized engine nozzles, mismatched replacement panels, external tool racks, cranes, salvage arms, and reinforced landing gear. Even a new Kharos hull looks ready to be repaired. Scale 6 and larger hulls add gantries and scaffolding that make them look like moving work yards. In Funtari ports and the frontier a Kharos ship is standard. In League and Directorate ports customs looks harder, because the modification history is usually complex and the paperwork rarely current.

Kharos hulls collect rebuild marks as they are refit in the field (KR-41 Mk II, Mk III). The base number never changes.

Kharos Signature Benefits

Integrated Architecture benefit: Once per encounter, reduce the difficulty of one emergency repair check by one step.

Kharos Weak Drawbacks

Compatibility: Partner Openframe; Open Crown Meridian; Rival Viridian, Safa.

Kharos Hulls

Safa Celestial Arsenal

"A Safa ship does exactly what it was built to do. Pray you need the same thing." Spacer saying

Safa is the most tightly controlled major builder in known space. Its hulls are built around efficient reactors, precise fire control, strong security architecture, and capable automation, and even its civilian line carries military assumptions. Governments and corporations that cannot obtain military contracts buy Safa for its reactor headroom and security; what they receive is a commercial hull with Caliphate engineering underneath, firmware that knows when it is being modified, and a service relationship that is easier to keep than to leave. A Safa ship excels at its intended mission and resists conversion to any other. Operators who buy outside Caliphate space have passed Caliphate vetting, have Caliphate connections, or acquired the hull by unusual means.

Recognition. Narrow spear-like small hulls with deep ventral keels and swept engine housings; matte ivory and dark basalt plating, narrow gold certification lines, red-gold reactor glow at the nozzles, concealed weapon apertures, formal inspection seals, and severe bilateral symmetry. Scale 6 and larger hulls use Cathedral Axis geometry: tall axial symmetry, a central reactor spine, ribbed side structures, protected docking courts, and controlled ceremonial light. A Safa ship with unauthorized modifications can fail firmware authentication and be disabled in port or at a checkpoint.

Safa Signature Benefits

Integrated Architecture benefit: Once per encounter, reduce the System Damage, Power Load, or Heat cost of one native Fire Control, Reactor, Point Defense, or Cyberdefense action by 1.

Safa Weak Drawbacks

Compatibility: Partner by license only; Open Openframe; Rival Crown Meridian, Kharos, Viridian.

Safa Hulls

Safa designations are short sport codes.

Model	Scale	Role	Common uses
Safa S3	3	Fast pursuit craft	Customs hunter, security interceptor, fast courier, pursuit vessel, licensed bounty ship
Safa S5	5	Fast escort corvette	Corporate escort, security patrol
Safa S6	6	Security frigate	Armed corporate transport, security vessel, command transport, restricted research vessel, defense platform

The Safa Ship Catalog prints these hulls with their later versions and six more lines.

Patchwork Ships

Most ships in service for more than five years are patchwork ships: a hull from one builder carrying core systems from others. The mix usually comes from practical choices. The only engine at a frontier port was Kharos; the damaged navigation suite was replaced with what the salvage yard had; nobody asked where the Safa reactor component came from. A patchwork ship can outperform a factory-stock hull in the areas its crew cares about. It gives up Integrated Architecture and the simplicity of one builder's assumptions.

Each non-native system records its status on the ship sheet (Native, Certified, Adapted, Forced, or Forbidden; see Builder Integration). The status sets its repair modifier, its inspection risk, and whether its Signature benefit applies.

Building a Patchwork Starting Ship

Start from a Model 20 or a KR-41 hull. Add one system that is better than the factory fit and two that bring complications. The better system should reflect something the crew values; the complications should create situations.

Worked example. A crew flies a Model 20 (Openframe) with these systems:

Each Partner installation was made at +1 Bane Die; the Safa component needed a Crisis Die upgrade and 2 Bane Dice, and the GM recorded a Signature Bloom failure mode on it (Chapter Ten). The hull's Openframe drawbacks still apply: once its Hull Damage reaches half its Hull Points the spine flexes, whoever built the engine. Kharos's Thermal Quieting and Viridian's field-repair drawback do not apply, because drawbacks follow the hull. The Forbidden component rules out Integrated Architecture and fails any deep inspection. The crew also carries one cargo module the lender still believes is installed and one hidden compartment that has passed two inspections.

Patchwork Ships in Port

Builder Quick Reference