Entry-level overhead environment training introducing essential procedures and protocols for safe cave diving

Available in both Sidemount and Backmount configurations

Hands-on training in key cave diving techniques, including:

• Primary reel deployment

• Team diving within the cavern zone

• Safe exits following a guideline under simulated zero-visibility conditions

Strong emphasis on team diving skills, with focus on:

• Effective communication

• Situational awareness

• Team coordination

Training includes strategies for recognising and managing potential emergencies

Designed to build confidence and solid foundations for overhead diving

Duration: Minimum 4 days

Advanced cave diving training building upon the Cavern Diver level

Progression beyond the daylight zone and into the cave environment

Continued development of team diving skills, with emphasis on:

• Practicing and refining emergency procedures

• Effective team-based problem solving under stress

Training in essential advanced cave diving skills, including:

• Managing team separations

• Proper response procedures if the cave line is lost

Designed to increase confidence, control, and decision-making in overhead environments

Duration options:

• 6 days including Cavern training

• 2-day upgrade (depending on prior training and certification)

Advanced cave diving training focused on expanding skills beyond the mainline

Instruction on safe navigation using one-third of starting gas, essential for complex cave dives

Training in advanced navigation techniques, including:

• Managing T-intersections

• Installing and following jump lines to access new passages

Intensive focus on critical emergency procedures, such as:

• Negotiating tight restrictions under zero-visibility conditions

• Gas sharing with a teammate in confined spaces

Development of advanced planning skills for:

• Complex circuits

• Traverses and multi-stage cave dives

Emphasis on precision, situational awareness, and team coordination in demanding environments

Duration options:

• 9 days (Cavern, Intro, and Full Cave)

• 4-day upgrade from Intro to Cave (depending on prior training)

Stage cave diving course focused on extending penetration distance and bottom time

Training on key considerations for using stage tanks in cave environments

Practical instruction covering:

• Proper stage tank marking and identification

• Rigging techniques and configurations

• Regulator selection and setup

In-depth review of gas planning strategies specific to stage diving

Training in established protocols and procedures for:

• Dropping and retrieving stage tanks

• Safe underwater tank switching

Comprehensive review of emergency procedures from prior overhead environment training

Emphasis on safety, planning, and disciplined execution in complex dives

Duration: 4 days

Decompression cave diving course focused on planning and executing cave dives requiring decompression stops

Builds upon existing stage cave diving training

Use of additional stage tanks to extend bottom times and penetration

In-depth instruction on:

• Decompression planning strategies

• Strategic use of multiple gas mixtures to optimize and accelerate decompression

Extensive practice of emergency procedures, including simulations of:

• Equipment malfunctions

• Loss of visibility

• Complex problem-solving far from the cenote entrance

Emphasis on discipline, precision, and situational awareness in demanding cave dives

Duration: 4 days

Cave surveying course providing a comprehensive introduction to survey fundamentals

Training in data collection methods using:

• Traditional survey slate techniques

• The modern Mnemo Survey Tool

Hands-on instruction with Arianes Line cave survey software, including:

• Processing collected survey data

• Creating accurate and detailed line maps

Strong focus on practical application, both in-water and post-dive

Course content can be customized to suit individual interests and experience levels

Ideal for divers interested in exploration, documentation, and technical skill development

Duration: 3–4 days

DPV cave diving course focused on the safe use of Dive Propulsion Vehicles in overhead environments

Progressive skill development, including:

• Learning to operate and control a DPV in open water

• Transitioning DPV skills into the cave environment

Training on gas planning and management accounting for increased travel speed and distance

Advanced emergency procedure development, specific to DPV diving, including:

• Towing a DPV

• Towing teammates

• Gas sharing while managing a DPV

Builds upon existing cave emergency protocols with DPV-specific adaptations

Emphasis on control, awareness, and team coordination in complex dives

Duration: 4 days