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Approved Starship Sondheimer IV-class, Heavy Interdictor

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Not open for further replies.
Manufacturer: Primo Victorian Shipwright
Market Status: Closed Market
Production: Semi-Unique
Length: High
Width: High
Height: Large
Size: Large
Major Faction

Ethanael Halscott

Architect
Ethanael Halscott
Character Bio
SONDHEIMER IV-CLASS
"INTERDICTOR BOAT"
HEAVY INTERDICTOR​


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OUT OF CHARACTER INFORMATION
PRODUCTION INFORMATION
TECHNICAL SPECIFICATIONS
  • Classification: Heavy Interdictor, Star Destroyer
  • Length: 1600m
  • Width: 640m
  • Height: 320m
  • Armament: Average
    • Primary Capital Weapon Systems
      • 8x Kyronis-type II Hypervelocity Plasma Cannons [Dorsal spinal clusters forward and aft; slow-cycling, high-energy plasma fire for shield stress and capital deterrence.]
      • 6x Thaumarch-type Proton Cannons [Forward dorsal mounts; precision heavy strikes against immobilized or shield-breached targets.]
      • 4x Voidbreaker II-type Seismic Cannons [Ventral midships mounts; localized space-time disruption to punish trapped formations and prevent coordinated escape maneuvers.]
    • Secondary Battery Systems
      • 12x Hawkthorne II-type Ion Cannons [Broadside dorsal/ventral mounts; disables escorts, bombers, and fast attack craft attempting to penetrate the interdiction perimeter.]
      • 14x RM-Triniburst Heavy Laser Cannons [Distributed dorsal and ventral placements; continuous-fire coverage for mid-range defense and escort suppression.]
      • 8x Polemos-type Mass Driver Cannons [Midline port/starboard batteries; reliable kinetic punishment against immobilized cruisers and destroyers.]
      • 4x Keres-type Mass Driver Cannons [Forward spinal arcs beneath the prow. Armor-piercing enforcement weapons against targets attempting brute-force escape.]
      • 12x Belenus-type Hypervelocity Cannons [Distributed hull mounts; rapid-response kinetic fire for finishing strikes and close-in deterrence.]
      • 32x Vulcan Advanced Autocannon Systems [Hull-edge and engine-block mounts; replaces legacy Striker/Valencia systems for superior missile and bomber interception.]
      • 24x Thunderbolt II-type [Layered dorsal, ventral, and aft arcs along hull edges and engine blocks. Primary anti-fighter, anti-bomber, and missile suppression grid.]
      • 6× Covenantor-II Type Flak Driver Cannons [Heavy dorsal/ventral mounts covering bomber corridors.]
      • 8× Valencia-II Type Flak Driver Cannons [Midship and aft mounts; wide-area burst coverage.]
      • 10× Hedgehog-Type Counter-Ordnance Systems [Recessed VLS cells amidships. Layered interception bubbles against torpedoes and heavy missile salvos.]
  • Defenses: Very High
  • Hangar Space: Low - 6
  • Hangar Allocations:
  • Single Hangar Craft: Yes
  • Maneuverability Rating: Low
  • Speed Rating: Low
  • Hyperdrive: Yes
    • Primary: 1.0
    • Backup: 10.0
STANDARD FEATURES
  • Auxiliary Systems
    • Power Conversion and Control Networks
    • Systems Control Center & Supplemental Control Hub
    • Auxiliary Reactor & Core Coolant Management
    • Supplemental Power Control Center
    • Reserve and Emergency Back-up Power Systems
    • Auxiliary Reactor Control Center
    • Auxiliary Shield & Core Coolant Management
    • Emergency Shield Operations and Power Management System
    • Emergency Command Operations Center
    • Emergency Intrepid Hull Deployment Systems
    • Emergency Life Support & Power Capacitor Systems
    • Escape Pod Control Systems Management
    • Automatic Failsafe and Containment Management
  • Flight Systems
    • Flight Control & Navigation Suite
    • Primary and Secondary Flight Controller Management
    • Sublight & Hyperdrive Power Management
    • Propulsion Systems Control Suite
    • Hyperlane & Jump Point Navigation Systems
    • Galactic Hyperspace Holosite Integration
    • Flight Control Navigational Systems Suite
    • Flight Control Power Conversion Systems
    • Hyperdrive Power Control Systems
    • Impulse and Vector Thrust Control Systems
  • Engineering Systems
    • Primary & Secondary Power Management Control Suites
    • Power Conversion Systems Control
    • Reactor Core Control System
    • Core Coolant Management Suite
    • Shield Generator Power Management Suite
    • Weapons Power Generator Management Suite
    • Life Support Systems Management
    • Hazard and Damage Control Management Systems
    • Dedicated Weapons Power Generator Systems
    • Holosuite Power Systems Management
    • Capacitor Control Systems Suite
    • Engineering Control Suite
    • Safety Management Suite
    • Core Coolant & Safety Containment Suites
    • Engineering Control Hub & Secondary Redundancy Systems
    • Weapons, Shields, and Holosite Power Distribution Suites
    • Hazard & Damage Control Management Suite
    • Tractor / Pressor Beam Control Systems
    • Repulsor Generator Systems & Waste Management Control
    • Dedicated and Emergency Weapons Generator Suites
    • Safety Management for Escape Pod Reroute Systems Systems
  • Communication Systems
    • Coordinated Command Integration Encryption Suite
    • Encrypted Short-Range & Long-Range Communications Suites
    • Fleet Control Data Exchange Network
    • Hyperwave Communications & Encryption Network
    • Interfleet and Intrafleet Communications Systems
    • Standard Communications Management Suite
    • FleetNet Node + AI Systems Hubs
    • Encrypted AI Channels + Projection Suite
  • Tactical and Security Systems
    • Swarm Targeting and Tracking Sensor Systems
    • Tactical Analysis and Lock-On System Management
    • Multi-Shield Management Defensive Systems
    • Redundant Shield Management Systems
    • Shield Booster Management, Tertiary Shield Generator
    • Automated Reload and Internal Temperature Check Systems
    • Weapons Control and Munitions Management Systems
    • Weapons Waste Containment & Disposal Systems
    • Regenerative Shield Management Systems
    • Shield Monitor, Conversion, and Containment Systems
    • Shield Management and Tertiary Generator Suite
  • Sensor Systems
    • Multi-Directional Long-Range Sensor Arrays
    • Navigational & Hyper-Navigational Sensor Suites
    • Short-Range Tachyon Sensor Network
    • Long-Range Gravitational Mass Sensor Suite
    • Full Range Planetary & Lifesigns Identifier System
    • Cargo Sweep & Starship Signature Identifier Systems
  • Interdiction & Gravimetric Control Systems
    • Gravimetric Field Control Network
    • Interdiction Command & Synchronization Suite
    • Hyperlane Denial Geometry Processor
    • Gravitational Stress Management System
    • Interdiction Safety Envelope & Friendly Corridor Control
    • Gravimetric Feedback Dampening Array
  • Carrier Operation Systems [Compact Ops]
    • TIE Deployment & Recovery Systems
    • Emergency Launch & Retrieval Suites
    • Starfighter Diagnostic and Repair Systems
    • Starfighter Weapon Loading and Maintenance Systems
    • Crash Hangar Damage Control Suite
    • Traffic Control & Launch Sequencing Systems
  • Medical Systems
    • Overflow Triage Ward
    • Med-Droid Interface & Support Network
    • Damage-Stabilization Support Cradles
    • Cryogenic Stasis Pods (Limited)
    • Isolation & Quarantine Chambers (Compact)
    • Automated Diagnostic & Imaging Systems
    • Battlefield Stabilization Station (Limited)
    • Emergency Medivac Support Bay (Shuttle / Droid Interface)
ADVANCED SYSTEMS
STRENGTHS
  • Interdiction Supremacy: The Sondheimer IV’s Ingersoll Hyperdisruptor Well, supported by layered gravimetric control systems, allows it to deny hyperspace entry and exit across a wide operational area. Combined with HIMS integration, the vessel can selectively control traffic flow, trap hostile formations, or permit allied maneuvering within contested space.
  • Fleet Force Multiplier: Through its Shield Amplification Relay (SAR), the Sondheimer enhances the survivability of Commonwealth-aligned vessels in formation, reinforcing shields only for AI-verified, IFF-authenticated hulls. This makes the ship a stabilizing anchor in prolonged fleet engagements.
  • Exceptional Survivability: Leyte-type Ablative Defense Systems, reinforced shielding layers, and redundant power generation allow the Sondheimer to endure sustained punishment well beyond typical cruiser-class vessels, particularly in interdiction holding actions.
  • Advanced Battlespace Awareness: Integrated sensor, targeting, and signal intelligence suites give the Sondheimer unmatched situational awareness, allowing it to detect stealth assets, hyperspace anomalies, and electronic warfare threats at extreme ranges.
  • Operational Endurance: Designed for long-duration deployments, the Sondheimer can maintain interdiction fields, fleet coordination, and defensive postures for extended periods without resupply, supported by high automation and AI-assisted systems management.
WEAKNESSES
  • Limited Mobility: The mass and power demands of its gravity well projectors, shield relays, and ablative systems significantly reduce the Sondheimer’s speed and maneuverability. Once committed to a battlespace, repositioning is slow and deliberate.
  • Not a Line Combatant: Despite its heavy defensive profile, the Sondheimer IV is not optimized for direct fleet duels. Against dedicated battleships or heavy destroyers, it relies on escorts, allied formations, and interdiction effects rather than raw firepower.
  • Power-Intensive Systems: Simultaneous operation of the Ingersoll Hyperdisruptor Well, SAR, and Leyte ablative systems places enormous strain on the ship’s power grid. Sustained peak operation requires careful power cycling and cannot be maintained indefinitely.
  • High-Value Target: As an interdiction anchor and fleet multiplier, the Sondheimer is often prioritized by enemy forces. Loss or forced withdrawal can rapidly destabilize an entire operational zone.
DESCRIPTION
The Sondheimer IV–class Heavy Interdictor represents the culmination of Commonwealth interdiction doctrine — a vessel built not to chase battles, but to define where battles may occur at all. Named in honor of legacy designs and refined through successive generations, the Sondheimer IV departs from earlier models by embracing scale, endurance, and systems integration over sheer numerical proliferation of gravity wells.

At the heart of the ship lies the Ingersoll Hyperdisruptor Well, a massive, underslung gravimetric projector capable of locking down hyperspace lanes across an entire battlespace. Unlike earlier interdictors that relied on multiple smaller wells, the Sondheimer IV employs a single, high-output system augmented by graviton flux dampers and resonance control suites. This configuration allows the ship to sustain interdiction while selectively permitting allied movement through HIMS-assisted traffic modulation — an ability that turns the vessel into both gatekeeper and traffic controller in contested space.

Defensively, the Sondheimer is engineered to hold the line. The Leyte-type Ablative Defense System, inspired by historical last-stand engagements, provides layered, zonal hull reinforcement capable of absorbing devastating kinetic and plasma strikes long enough for reinforcements to arrive or for interdiction objectives to be completed. When combined with its shield architecture and SAR capabilities, the ship becomes a bulwark around which fleets can rally.

Internally, the Sondheimer IV reflects its mission profile. Crew spaces are optimized for long deployments rather than troop transport, while extensive automation and dual AI oversight by ERALAM and NATASI reduce personnel requirements and secure all fleet-facing systems. These AI cores not only manage internal operations but also enforce strict authentication protocols, ensuring that shield reinforcement, data relays, and fleet coordination cannot be exploited by enemy deception or spoofing.

In combat, the Sondheimer IV excels not through decisive killing blows, but through control — trapping hostile forces, suppressing escape vectors, and enabling allied fleets to dictate the tempo of engagement. It is a ship designed to be felt across an entire star system, its presence shaping the flow of battle long before the first shots are fired.

Deck Layout

Decks 1–6: Command & Battlespace Control


  • Primary bridge
  • Secondary CIC
  • Interdiction command & synchronization
  • Helion / ERALAM / NATASI cores
  • Strategic comms & FleetNet hubs
  • Captain’s Ready Room
  • Senior Officer’s Conference Room

Decks 7–14: Sensor, SIGINT & Interdiction Control


  • Interdiction geometry processors
  • Gravitic stress management
  • Hyperspace lane control
  • Advanced sensor suites
  • Signal intelligence operations
  • Gravimetric Operations Suite

Decks 15–22: Weapons & Defensive Control


  • Primary capital weapon fire control
  • Secondary batteries coordination
  • Counter-ordnance VLS control
  • Shield amplification & modulation
  • ECM / jammer control
  • Tactical Systems Control Suite

Decks 23–30: Hangars, Flight Ops & Repair Doctrine


  • Starfighter Bays (port/starboard)
  • Drone Hangars (Scryver launch + repair)
  • Emergency Hangar Access Shaft (ventral)
  • Auxiliary Dropship Access
  • Drone command & maintenance decks
  • Remora mission control bay
  • Fabrication feedstock storage
  • Rapid hull-access transit corridors
  • Flight Traffic Control
  • TIE Deployment Suites
  • Drone Management + Launch Guidance
  • Damage Control Bay + Emergency Egress
  • Pilot Ready Room, Debriefing Suites
  • Cargo Hold A + B (Supplies, Recovery Modules)
  • Logistics Command and Routing Center

Decks 31–38: Engineering & Power


  • Trinity Core Reactor
  • Dual Blackwake cores
  • Kestrel buffering
  • Hyperdisruptor Well integration
  • FRIES-IV thermal control
  • Emergency isolation bulkheads

Decks 39–44: Crew, Medical & Sustainment


  • Tiered Crew Quarters: Enlisted berthing blocks, NCO cabins, and officer staterooms arranged in modular habitation zones to support rotational shifts and long-duration deployments.
  • Distributed Mess Halls & Nutrition Centers: Multiple mess facilities spaced across habitation decks to reduce congestion and support continuous operations under alert conditions.
  • Recreation & Decompression Spaces: Gyms, zero-g exercise chambers, holosuite simulation rooms, and communal lounges designed to mitigate stress during extended interdiction missions.
  • Medical & Psychological Support Facilities: Expanded medical wards, counseling suites, and restabilization areas recognizing the unique mental strain of denial and containment warfare.
  • Environmental & Circadian Regulation: Adaptive lighting, simulated day/night cycles, and climate zoning to preserve crew health during prolonged periods without planetary reference.

Decks 45–48: Hull, Redundancy & Survival


  • Backup control hubs
  • Escape systems
  • Redundant life support
  • Structural reinforcement
  • Damage control reserves
 

Out Of Character Info

Intent: To create an interdictor for the Commonwealth.
Canon Link: N/A
Permissions: Solarium Glasteel,
Primary Source(s):

N/A

Technical Information

Affiliation: Imperial Commonwealth of Dosuun
Model: CNC-SIC4-M1 “Sondheimer”
Starship Class: Star Destroyer (1000m-2000m)
Starship Role: Interdictor
Modular: Yes
Material: Durasteel Reinforced Crystalamnium Hull Reinforced Duraplast with Latticed Crystaplast Liner Gravmire Gel x2 Liner Reinforcement Alusteel Reinforced Durasteel Hull [Interior] Tunqstoid Blast Doors, Turadium Blast Shields [Interior] Solarium Glasteel Viewports [Overlay] Glasteel Viewports [Underlay], Turadium Blast Shutters Agrinium, Dallorian Alloy [Key Areas/Critical Components] AR-0B Damage Reduction Plating [Key Areas/Critical Doonium Infused Impervium [Munitions Control] Hekakles-type + Judicant Composite [Composite Hull System +Force Resistance & EMP-Resistance] Reactive Polyfoam Buffer [High Internal Shock Absorption]
Armaments: Armament: Average

Primary Capital Weapon Systems

8x Kyronis-type II Hypervelocity Plasma Cannons [Dorsal spinal clusters forward and aft; slow-cycling, high-energy plasma fire for shield stress and capital deterrence.]

6x Thaumarch-type Proton Cannons [Forward dorsal mounts; precision heavy strikes against immobilized or shield-breached targets.]

4x Voidbreaker II-type Seismic Cannons [Ventral midships mounts; localized space-time disruption to punish trapped formations and prevent coordinated escape maneuvers.]

Secondary Battery Systems

12x Hawkthorne II-type Ion Cannons [Broadside dorsal/ventral mounts; disables escorts, bombers, and fast attack craft attempting to penetrate the interdiction perimeter.]

14x RM-Triniburst Heavy Laser Cannons [Distributed dorsal and ventral placements; continuous-fire coverage for mid-range defense and escort suppression.]

8x Polemos-type Mass Driver Cannons [Midline port/starboard batteries; reliable kinetic punishment against immobilized cruisers and destroyers.]

4x Keres-type Mass Driver Cannons [Forward spinal arcs beneath the prow. Armor-piercing enforcement weapons against targets attempting brute-force escape.]

12x Belenus-type Hypervelocity Cannons [Distributed hull mounts; rapid-response kinetic fire for finishing strikes and close-in deterrence.]

32x Vulcan Advanced Autocannon Systems [Hull-edge and engine-block mounts; replaces legacy Striker/Valencia systems for superior missile and bomber interception.]

24x Thunderbolt II-type [Layered dorsal, ventral, and aft arcs along hull edges and engine blocks. Primary anti-fighter, anti-bomber, and missile suppression grid.]

6× Covenantor-II Type Flak Driver Cannons [Heavy dorsal/ventral mounts covering bomber corridors.]

8× Valencia-II Type Flak Driver Cannons [Midship and aft mounts; wide-area burst coverage.]

10× Hedgehog-Type Counter-Ordnance Systems [Recessed VLS cells amidships. Layered interception bubbles against torpedoes and heavy missile salvos.]
Defense Rating: Very High
Speed Rating: Low
Maneuverability Rating:: Low
Energy Resist: High
Kinetic Resist: High
Radiation Resist: Very High
Other Resistance(s):

- EMP/ION: Very High
- Sonic: Average
- Force Disruption/Harmonics: Low
- Elemental (Fire/Cold/Corrosive): Low

Minimum Crew: 6500
Optimal Crew: 15000
Passenger Capacity: 3000
Cargo Capacity: Very Large
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