{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.invincible-class-submarine","code":"thing-q15378718","url":"https://ver.cy/models/thing/q15378718/","name":"Invincible-class submarine","alternateNames":[],"kind":"thing","status":"published","version":"0.1.0-research.1","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.OBJ"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"The Invincible class, also designated Type 218SG, is a class of German-built, air-independent-propulsion diesel-electric attack submarines designed for the Republic of Singapore Navy.","purpose":"Enable an agent to recognise the Invincible-class submarine, distinguish class specifications from individual-vessel states, and assess configuration, support needs and evidence for permitted activities.","scope":{"in":["Invincible-class and Type 218SG identity, boundaries and design provenance","Shared platform configuration and documented differences between construction batches","Propulsion, submerged endurance and tropical operating requirements","Combat-system integration, automation and crew interfaces","Class-specific maintenance, training and acceptance requirements","Dated links to individual vessels and programme milestones"],"out":["Individual submarines' complete service histories and live operational states","Generic submarine engineering already owned by a broader submarine model","Republic of Singapore Navy organisation and defence policy","Detailed models of torpedoes, sensors and other installed equipment","Patrol planning, targeting and weapon-employment procedures","Biological taxonomy, habitat and conservation status"],"boundaries":[]},"distinguishingFeatures":["Verify that the designation is Type 218SG: DSTA explicitly identifies it with the Invincible class. [DSTA design account](https://www.dsta.gov.sg/whats-on/spotlight/achieving-new-depths-of-innovation)","Require the Singapore-specific design identity rather than treating related German submarine designs as interchangeable; DSTA describes substantial adaptation of the Type 214 design. [DSTA design account](https://www.dsta.gov.sg/whats-on/spotlight/achieving-new-depths-of-innovation)","Distinguish this submarine class from surface-warship classes sharing the name Invincible, and distinguish the class from its namesake vessel.","Use the published combination of 70-metre length, 2,000-tonne surfaced displacement and 2,200-tonne submerged displacement as corroboration, not as sufficient identity evidence. [MINDEF 2019 fact sheet](https://www.mindef.gov.sg/news-and-events/latest-releases/18feb19_fs/)","Check for the documented combination of fuel-cell air-independent propulsion and adaptations for shallow, busy tropical waters. [MINDEF 2019 fact sheet](https://www.mindef.gov.sg/news-and-events/latest-releases/18feb19_fs/)"],"structure":{"bundles":[{"id":"type-218sg-identity","name":"Type 218SG identity","description":"Establishes what this registered class denotes and how its members and related designs are connected.","layers":[{"id":"designation-and-boundary","name":"Designation and boundary","description":"Resolves names and corrects the biological interpretation implied by the registry domain.","findings":[{"id":"class-reference-resolution","name":"Class reference resolution","description":"Record evidence that a reference denotes the Type 218SG class rather than a particular hull or another Invincible-named class.","questions":[{"text":"Which authoritative designation establishes that this reference means the Invincible-class Type 218SG submarine?","id":"class-reference-resolution-q01","kind":"definition"},{"text":"Does the reference denote the class, its lead vessel or a different ship class?","id":"class-reference-resolution-q02","kind":"boundary"},{"text":"Which registry correction should replace the inappropriate PHY.LIV classification?","id":"class-reference-resolution-q03","kind":"action"}]}]},{"id":"design-and-membership","name":"Design and membership","description":"Separates design ancestry, class membership and construction-batch applicability.","findings":[{"id":"design-lineage-and-hull-links","name":"Design lineage and hull links","description":"Maintain sourced relations to related designs and member vessels without equating ancestry with identical specifications.","questions":[{"text":"Which designer or operator records establish Type 218SG design lineage and Singapore-specific changes?","id":"design-lineage-and-hull-links-q01","kind":"provenance"},{"text":"Which hulls and construction batches are explicitly identified as members of this class?","id":"design-lineage-and-hull-links-q02","kind":"boundary"}]}]}]},{"id":"tropical-submerged-platform","name":"Tropical submerged platform","description":"Organises the platform evidence needed to interpret operation in Singapore's maritime environment.","layers":[{"id":"geometry-and-environment","name":"Geometry and environment","description":"Connects physical specifications to their measurement conditions and environmental applicability.","findings":[{"id":"platform-envelope-evidence","name":"Platform envelope evidence","description":"Keep dimensions and displacement separate from validated operating limits in shallow tropical waters.","questions":[{"text":"Which length, draught and displacement figures are authoritative, and under what loading conditions?","id":"platform-envelope-evidence-q01","kind":"measurement"},{"text":"Which tropical-water and shallow-water adaptations are documented for the applicable baseline?","id":"platform-envelope-evidence-q02","kind":"provenance"}]}]},{"id":"energy-and-endurance","name":"Energy and endurance","description":"Distinguishes installed energy systems from claims about time submerged.","findings":[{"id":"aip-endurance-qualification","name":"AIP endurance qualification","description":"Require configuration and operating assumptions before accepting an air-independent-propulsion endurance claim.","questions":[{"text":"Which authoritative record identifies the installed fuel-cell, storage and propulsion configuration?","id":"aip-endurance-qualification-q01","kind":"provenance"},{"text":"What operating conditions and comparison baseline support each published submerged-endurance claim?","id":"aip-endurance-qualification-q02","kind":"measurement"},{"text":"Does the evidence describe a design capability, trial result or current condition of one vessel?","id":"aip-endurance-qualification-q03","kind":"boundary"}]}]}]},{"id":"integrated-systems-and-crew","name":"Integrated systems and crew","description":"Captures the class-specific relationship between integrated systems, automation and human operation.","layers":[{"id":"combat-platform-integration","name":"Combat and platform integration","description":"Tracks what is publicly established about installed systems and their integration.","findings":[{"id":"installed-system-applicability","name":"Installed system applicability","description":"Separate documented integration from proposed equipment, payload compatibility and inferred capability.","questions":[{"text":"Which combat-management, sensor and platform-system claims are confirmed for this baseline?","id":"installed-system-applicability-q01","kind":"provenance"},{"text":"Does each payload statement establish an interface, an accepted installation or an actual embarked payload?","id":"installed-system-applicability-q02","kind":"boundary"}]}]},{"id":"automation-and-habitability","name":"Automation and habitability","description":"Relates decision support and tropical habitability to crew requirements.","findings":[{"id":"crew-assumptions-and-training","name":"Crew assumptions and training","description":"Record the human roles and training dependencies associated with the applicable automation configuration.","questions":[{"text":"What crew establishment and watchkeeping assumptions apply to this configuration?","id":"crew-assumptions-and-training-q01","kind":"measurement"},{"text":"Which class-specific training demonstrates competence with automation and its degraded modes?","id":"crew-assumptions-and-training-q02","kind":"action"},{"text":"Which ergonomic and climate-control requirements are supported by design or acceptance evidence?","id":"crew-assumptions-and-training-q03","kind":"provenance"}]}]}]},{"id":"acceptance-and-sustainment","name":"Acceptance and sustainment","description":"Connects the class baseline to vessel acceptance, maintenance and support evidence.","layers":[{"id":"milestones-and-acceptance","name":"Milestones and acceptance","description":"Distinguishes programme events from technical acceptance and service status.","findings":[{"id":"dated-hull-status","name":"Dated hull status","description":"Attach launch, trial, delivery and commissioning records to the correct vessel and date.","questions":[{"text":"Which dated operator or builder record establishes each vessel's latest lifecycle milestone?","id":"dated-hull-status-q01","kind":"provenance"},{"text":"What additional evidence would be required before interpreting that milestone as availability for a specified activity?","id":"dated-hull-status-q02","kind":"boundary"}]}]},{"id":"maintenance-and-support","name":"Maintenance and support","description":"Identifies configuration-specific inspection, technical support and training dependencies.","findings":[{"id":"support-evidence-for-activity","name":"Support evidence for activity","description":"Assess whether authoritative maintenance and qualification records support a proposed non-tactical activity on the relevant hull.","questions":[{"text":"Which approved maintenance and inspection requirements apply to the vessel's Type 218SG configuration?","id":"support-evidence-for-activity-q01","kind":"provenance"},{"text":"Which outstanding defects, expired qualifications or missing records require an authorised technical review before the activity?","id":"support-evidence-for-activity-q02","kind":"action"}]}]}]},{"id":"evidence-and-external-alignment","name":"Evidence and external alignment","description":"What the world already says about this thing, gathered so the model can be checked against it.","layers":[{"id":"reported-evidence","name":"Reported evidence","description":"Findings from the breadth pass, kept separate from the structural claims.","findings":[{"id":"evidence-confidence-notes","name":"Check these first","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these check these first hold for the sense of Invincible-class submarine this model covers, and on what evidence?","id":"evidence-confidence-notes-q01","kind":"provenance"}]},{"id":"evidence-identifiers","name":"Identifiers and schemes","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these identifiers and schemes hold for the sense of Invincible-class submarine this model covers, and on what evidence?","id":"evidence-identifiers-q01","kind":"provenance"}]},{"id":"evidence-real-world-use","name":"Real-world use","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these real-world use hold for the sense of Invincible-class submarine this model covers, and on what evidence?","id":"evidence-real-world-use-q01","kind":"provenance"}]},{"id":"evidence-measurements","name":"Typical measurements","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these typical measurements hold for the sense of Invincible-class submarine this model covers, and on what evidence?","id":"evidence-measurements-q01","kind":"provenance"}]},{"id":"evidence-failure-modes-and-hazards","name":"Failure modes and hazards","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these failure modes and hazards hold for the sense of Invincible-class submarine this model covers, and on what evidence?","id":"evidence-failure-modes-and-hazards-q01","kind":"provenance"}]},{"id":"evidence-regional-variation","name":"Regional variation","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these regional variation hold for the sense of Invincible-class submarine this model covers, and on what evidence?","id":"evidence-regional-variation-q01","kind":"provenance"}]},{"id":"evidence-neighbours","name":"Neighbouring kinds and how to tell them apart","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these neighbouring kinds and how to tell them apart hold for the sense of Invincible-class submarine this model covers, and on what evidence?","id":"evidence-neighbours-q01","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Identify boats of this class from published records and official announcements.","Report commissioning and service status from official sources."],"mustNot":["Assist in detecting, tracking or attacking a submarine or its crew.","Speculate on or disclose non-public capabilities or deployments.","Spread fabricated reports about submarine operations or incidents.","Present design data of related export classes as confirmed for these boats."],"requiresHuman":["Publishing any information on the location of a submarine.","Reporting a suspected incident at sea."]},"ethics":{"considerations":["Submarines are among the most sensitive state assets; speculation can endanger crews and stability.","Submarine accidents are deadly for crews and their families."],"affectedParties":["Crews","Families of crews","Seafarers in the region"]},"owners":{"steward":"The navy of the operating state.","roles":[],"masterSystems":["Naval vessel registers of the operating state"]},"relations":[{"target":"Q11639579","type":"parent","note":"registry parent class"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.invincible-class-submarine","Wikidata: Q15378718 (https://www.wikidata.org/wiki/Q15378718)"]},"properties":{"applicability":"required","items":["Class designation: Invincible class; Type 218SG","Hull membership: Individual vessel identifier, membership evidence and effective date","Configuration applicability: Design baseline, construction batch, hull and modification date","Displacement condition: Tonnes, explicitly surfaced or submerged, with loading condition and source date","Energy-system architecture: Documented propulsion, electrical-storage and air-independent generation systems","Submerged endurance evidence: Hours or days with operating assumptions; comparative claims require a named baseline","Crew establishment: Persons by configuration, role coverage and operating condition","Vessel lifecycle status: Ordered, building, launched, trials, delivered, commissioned, refit or retired; dated per hull"]},"recognition":{"applicability":"required","items":["Diesel-electric submarine with an X-shaped rudder arrangement aft.","Names and pennant numbers announced by the operating navy."]},"capabilities":{"applicability":"required","items":["Resolve an Invincible-class reference to the class or a named member vessel.","Compare a documented vessel configuration with the applicable Type 218SG baseline.","Flag unsupported transfers of specifications between construction batches.","Assess whether maintenance and training records cover the installed configuration.","Summarise dated fleet milestones without inferring operational readiness.","Identify missing authoritative evidence before recommending inspection, training or maintenance review."]},"hazards":{"applicability":"required","items":["Flooding, fire or loss of atmosphere in a submerged hull.","Battery and fuel-cell hazards on board.","Collision with surface ships in congested waters."]},"interfaces":{"applicability":"required","items":["Convention on the International Regulations for Preventing Collisions at Sea (COLREGs), International Maritime Organization."]},"context":{"applicability":"required","items":["These submarines serve the Republic of Singapore Navy in submerged maritime defence, surveillance and deterrence roles.","They are encountered in naval operations, crew training, maintenance programmes and defence reference material.","Class information supports general identification and planning, while the readiness and permitted activities of an individual vessel require current authoritative information."]}},"sources":[{"title":"Wikidata item Q15378718: Invincible-class submarine","url":"https://www.wikidata.org/wiki/Q15378718","note":"identity and sense of the item"},{"title":"Wikipedia: Invincible-class submarine","url":"https://en.wikipedia.org/wiki/Invincible-class_submarine","note":"general description of the item"}],"openQuestions":["Which registry domain should replace PHY.LIV, and does an existing broader submarine model already own the generic platform requirements?","What are the latest verified hull membership and lifecycle milestones, including later orders, without equating procurement totals with commissioned vessels?","Which configuration differences between construction batches or refits are publicly confirmed?","What conditions and comparison baseline substantiate published endurance improvements, and which performance limits remain undisclosed?","Which authoritative acceptance, maintenance and crew-qualification records can support activity assessments beyond public class descriptions?"],"resources":{"spec":"/models/things/publications/thing-q15378718/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q15378718/spec.json"],"providers":["Codex"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T10:32:39Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"filled","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-07T10:10:26+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}