TDI Rebreather Training Melbourne
Halcyon Symbios CCR Course
Closed Circuit Rebreather Awareness
CCR diving is active life support system management.
Unlike conventional open circuit scuba systems, closed circuit rebreathers continuously recycle breathing gas while actively managing oxygen levels within the breathing loop.
Rebreather diving requires stronger situational awareness, operational discipline and equipment familiarity as divers monitor oxygen exposure, loop volume, system status and bailout readiness throughout the dive.
The TDI Halcyon Symbios CCR course progressively develops oxygen management awareness, loop discipline, bailout procedures and controlled team-based CCR diving behaviour through structured rebreather training progression.
Constant PO₂ Awareness
Learn oxygen management procedures, setpoint awareness and controlled CCR diving using constant PO₂ principles.
Loop Management
Develop awareness of loop volume, breathing control and stable buoyancy management within closed circuit environments.
Bailout Procedures
Build familiarity with bailout systems, emergency protocols and controlled failure management procedures.
Oxygen Monitoring
Understand sensor validation, oxygen exposure awareness and operational monitoring procedures.
Team CCR Procedures
Develop communication discipline, controlled positioning and operational awareness during precision team CCR diving.
Halcyon Symbios Operational Systems
Precision CCR diving begins long before entering the water.
Closed circuit rebreather diving relies on consistent operational discipline, equipment awareness and controlled system management throughout every stage of dive preparation, operation and post-dive maintenance.
The TDI Halcyon Symbios CCR course introduces divers to structured unit assembly, pre-dive checklists, scrubber preparation, sensor validation and operational procedures designed to support reliable closed circuit diving behaviour.
Strong emphasis is placed on precision handling, operational consistency and awareness of system status throughout all stages of the dive.
Divers progressively develop familiarity with electronics monitoring, bailout integration, loop management and post-dive maintenance procedures required for long-term CCR operational reliability.
Unit Assembly
Learn structured Symbios CCR assembly procedures, equipment configuration and pre-dive operational setup.
Scrubber Packing
Develop understanding of scrubber preparation, operational verification and carbon dioxide risk awareness.
Cell Calibration
Build familiarity with oxygen sensor validation, calibration procedures and monitoring discipline.
Electronics Monitoring
Understand CCR electronics systems, HUD awareness and operational status monitoring procedures.
Loop Cleaning & Maintenance
Develop post-dive cleaning procedures, maintenance awareness and long-term equipment reliability habits.
Oxygen Management & Bailout Awareness
Stable CCR diving relies on continuous monitoring and controlled decision-making.
Closed circuit rebreather diving requires divers to actively monitor oxygen exposure, loop status, system performance and bailout readiness throughout all stages of the dive.
Strong emphasis is placed on operational awareness, calm procedural response and controlled failure management as divers progressively develop confidence operating within closed circuit environments.
The TDI Halcyon Symbios CCR course develops oxygen monitoring discipline, bailout procedures, emergency response awareness and precision team CCR communication through structured drills and operational progression.
Oxygen Monitoring
Develop awareness of oxygen exposure, sensor validation and continuous operational monitoring procedures.
Constant PO₂ Awareness
Learn controlled setpoint management and stable oxygen control throughout closed circuit dives.
Bailout Readiness
Build familiarity with bailout systems, emergency gas access and controlled bailout transition procedures.
Loop Flood Procedures
Develop awareness of loop management, failure recognition and controlled procedural response.
Emergency Protocols
Train structured CCR emergency procedures, communication discipline and controlled problem-solving behaviour.
Precision Buoyancy & Silent Diving
Closed circuit diving introduces a calmer and more stable underwater experience.
Rebreather diving changes the way divers move, breathe and interact underwater. Reduced bubble output, stable breathing loop management and precise buoyancy control create a quieter and more controlled diving environment.
Divers progressively develop stronger trim awareness, smoother propulsion and more deliberate movement while managing loop volume and maintaining stable buoyancy throughout the dive.
The TDI Halcyon Symbios CCR course develops controlled CCR positioning, efficient movement and stable operational awareness through structured precision diving drills and progressive in-water practice.
Loop Volume Control
Develop awareness of breathing loop volume, gas addition and stable in-water breathing control procedures.
Stable Trim
Refine horizontal positioning and balanced CCR configuration to support more controlled underwater movement.
Precision Buoyancy
Improve fine buoyancy adjustments and depth stability while operating within closed circuit environments.
Reduced Disturbance
Reduced bubble release encourages quieter diving behaviour and lower environmental disturbance underwater.
Efficient Gas Use
Closed circuit systems recycle breathing gas, allowing improved efficiency and operational stability during dives.
Six-Day CCR Training Progression
Structured rebreather development through progressive operational exposure.
The TDI Halcyon Symbios CCR course progressively develops operational awareness, oxygen management, bailout readiness and precision team CCR procedures through six days of structured academic, confined water and open water training.
System Familiarisation & Assembly
Introductions to Symbios CCR configuration, scrubber packing, unit assembly, pre-dive procedures and confined water loop familiarisation drills.
Oxygen & Loop Awareness
Develop understanding of oxygen physiology, setpoint awareness, loop control, buoyancy stability and shallow operational procedures.
Electronics & Failure Recognition
Build familiarity with sensor validation, electronics monitoring, failure recognition and structured CCR emergency response procedures.
Bailout & Team Procedures
Continue developing bailout readiness, communication discipline and controlled team CCR operational awareness.
Full Operational Dives
Conduct structured rebreather dives focused on stable system management, controlled execution and precision operational consistency.
Evaluation & Course Review
Final operational dives, equipment review, written examination discussion and certification evaluation procedures.
Controlled Task Loading
Training progression gradually increases operational complexity, allowing divers to develop confidence and stability within closed circuit environments.
Operational Consistency
Repeated pre-dive procedures, monitoring drills and structured operational workflows support more reliable CCR behaviour.
Equipment Requirements & Course Readiness
CCR equipment configuration is part of the operational training system.
Closed circuit rebreather diving requires consistent equipment configuration, reliable bailout integration and familiarity with operational equipment procedures throughout all stages of the dive.
The TDI Halcyon Symbios CCR course places strong emphasis on equipment awareness, pre-dive preparation, operational consistency and disciplined system handling as part of long-term rebreather diving development.
Divers should arrive with appropriate exposure protection, suitable technical diving equipment and operational readiness appropriate for structured closed circuit training progression.
Halcyon Symbios CCR
Training is conducted using the Halcyon Symbios closed circuit rebreather platform with structured operational procedures and system familiarisation.
Bailout Configuration
Divers require appropriate bailout cylinder and regulator systems configured for controlled emergency response procedures.
Exposure Protection
Suitable thermal protection is required for extended operational diving and repetitive training dives.
Monitoring Systems
Divers develop familiarity with HUD awareness, electronics monitoring and oxygen tracking procedures.
Technical Accessories
DSMBs, wet notes, spools and cutting devices should be configured appropriately for technical diving procedures.
Course Investment
Structured Halcyon Symbios CCR training through progressive operational development.
The TDI Halcyon Symbios CCR course delivers six days of structured closed circuit rebreather training focused on oxygen management, operational discipline, bailout procedures and precision CCR diving progression.
Structured CCR diver training focused on system familiarity, oxygen management, bailout procedures and precision operational awareness through progressive closed circuit development dives.
- Six training days
- Minimum 8 training dives
- TDI Halcyon Symbios CCR materials
- Unit assembly & operational procedures
- Oxygen monitoring & bailout drills
- Precision buoyancy & loop management
Sorb Requirement
Students are required to supply a minimum 20kg scrubber absorbent tub for course participation.
Unit-Specific Training
Training is conducted specifically on the Halcyon Symbios platform with structured operational procedures and configuration standards.
Halcyon Symbios CCR Melbourne
Begin your closed circuit rebreather progression.
Develop precision operational awareness, oxygen management discipline and structured closed circuit rebreather procedures through TDI Halcyon Symbios CCR training in Melbourne.