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Syllabus Number: 3.A.7

CMAS Three Stars Diver Training Programme

Minimum Training Programme Content 



Required theoretical knowledge

1.1 Subject Area 1: Introduction 

1.1.1     The participant shall be provided with all such information, as provided for in Clause 4.2 of Chapter 1 in order to enable him to take an informed decision about his participation in the CMAS Three Star Diver Training Programme.

1.1.2     The participant shall be provided with the information about the CMAS as provided for in Clause 4.3 of Chapter 1.


1.2 Subject Area 2: Advanced Diving Knowledge 

1.2.1     The participant shall have mastered a professional level of knowledge of diving theory equal to that of a CMAS Instructor with regard to the following topics: Topic 1: Diving Equipment The participant shall have a sufficient understanding and knowledge of the purpose, working principles, selection, preparation, use and care of Scuba and Emergency equipment: Topic 2: The physics of diving     The participant shall have a sufficient understanding and knowledge of diving physics with regard to the following topics:      The physical world Matter The three states of matter      Gasses in diving Oxygen Nitrogen Carbon dioxide Carbon monoxide Water vapour      Units of measurement      Humidity      Energy Light Sound Heat      Pressure Atmospheric pressure Hydrostatic pressure Gauge pressure Absolute pressure Partial pressure (Dalton’s Law)      Density Atmospheric density Hydrostatic density Buoyancy  (Archimedes’ Principle)      Gas flow (viscosity) Drag, propulsion and trim Kinetic theory of gasses Boyle’s Law Charles’ Law The General Gas Law Buoyancy (Archimedes’ Principle) Gas diffusion Gasses in liquids Charles’ Law Topic 3: Medical and psychological issues related to diving     The participant shall have a sufficient understanding and knowledge of the

human anatomy and physiology as well as the causes, signs and symptoms as well as the first aid treatment of the diving ailments listed below: Anatomy and physiology      The respiratory system Mechanism of breathing Gas exchange Control of respiration Blood      The circulatory system The heart Blood vessels Circulatory failure     Immersion effects on respiration and circulation Barotrauma      Dental barotrauma      Ear barotraumas (middle, external and inner ear)      Facial barotrauma      Sinus barotraumas     Pulmonary barotraumas including emphysema, pneumothorax arterial gas embolism      Gastrointestinal barotrauma Toxic gas effects      Nitrogen narcosis     Carbon dioxide toxicity     Carbon monoxide toxicity      Oxygen toxicity Decompression illness Temperature      Hypothermia      Hyperthermia Other conditions      Alternobaric vertigo      Carotid sinus syndrome      Near drowning      Saltwater aspiration syndrome Psychological problems      Mental stress      Panic      Overconfidence Topic 4: The use of diving tables and dive computers     The participant shall have an appropriate knowledge concerning the use of dive tables including: Original and current decompression theory Nitrogen absorption and elimination Theory of bubble formation and bubble detection How to determine dive profiles which include Stage-stop decompression diving for single and repetitive dives. How to enact the required Stage-stop decompression. How to use dive tables to properly plan and execute a dive. Flying after diving. Computer assisted diving Factors that increases the chances of decompression sickness How to prevent decompression sickness Omitted decompression Topic 5: Dive planning     The participant shall have appropriate knowledge concerning the following dive planning issues: The factors that affect dive planning The dive planning process including the determination of the required gas      Advance planning and preparation      Short-term planning and preparation      On site-planning and preparation Contingency planning Emergency planning Communications, both under-water and on the surface. Recommended safe diving practices Limitations of diving with no direct access to the surface Topic 6: Diver rescue procedures The participant shall have an appropriate knowledge concerning the following diver rescue procedures: Accident prevention Rescuer safety Diver assistance techniques Buddy rescue techniques including lifting, towing and landing a diving casualty Lost diver procedures Search techniques that can be used in an emergency Rescue breathing and Cardio Pulmonary Resuscitation Oxygen first-aid Emergency procedures and summoning emergency services Topic 7: Underwater navigation     The participant shall have appropriate knowledge concerning underwater navigation including the following topics: Navigational equipment for divers The diving compass Natural navigation Compass navigation Combining navigational techniques Topic 8: The diving environment     The participant shall have appropriate knowledge concerning the following environmental issues: Introductionto marine biology covering “drifters” (i.e. plankton), “swimmers” (i.e. fish) and “bottom dwellers (i.e. sea fans, hydroids etc.) Hazardous marine animals Pollution Diver impact on the diving environment and ways to minimise diver impact Conservation and preservation of the diving environment1. Diving conditions Specific fresh water diving conditions Specific sea water diving conditions     Tides, waves and surf, and currents      Orientation to new diving environments


1.3 Subject Area 3: Dive Leadership knowledge 

1.3.1     The participant shall have a professional level of knowledge and understanding of the following dive leadership topics that will allow him to plan, execute and lead other divers on open water dives in all typical conditions encountered in the local environment, to plan for and respond to possible emergencies during such dives and to serve as an instructional assistant to a CMAS Instructor during diver training programmes: 

1.3.2      Topic 1: The role of the CMAS Dive Leader Underwater guide Underwater supervisor Out-of-water supervisor Instructional Assistant First responder to emergencies Counsellor to help divers deal with stress Seaman to assist skipper with boat Oceanographer to answer questions of divers about underwater environment Customer relations management expert to ensure divers an enjoyable experience  

1.3.3     Topic 2: Diving related legislation and requirements Negligence and liability issues Competencies of CMAS One and Two Star Divers Other legislation applicable to the country where the training programme is presented

1.3.4      Topic 3: Dive planning duties and responsibilities Familiarization with divers and dive site How to perform a risk assessment How to prepare an emergency plan Information to be conveyed to divers before any guided or organised dive

1.3.5      Topic 4: Dive management and control What is dive management and control? Equipment to assist dive management and control Information to be conveyed to divers before any guided or organised dive  The pre-dive briefing     Dive supervision procedures and techniques     The dive de-briefing     Environmental orientation dives     Boat diving supervision and control     Deep diving supervision and control     Night diving supervision and control     Drift diving supervision and control     Shore diving supervision and control     Cold water diving supervision and control Limited visibility diving supervision and control

1.3.6      Topic 5: Rescue management What is rescue management? Priorities in a rescue Acting as a Rescue manager in an emergency 

1.3.7      Topic 6: Working with a CMAS Instructor as an Instructional Assistant The role, duties and responsibilities of the Instructional Assistant Professionalism and attitude when working with students Information to be provided to students before confined and open water training Requirements when providing equipment to students  CMAS One Star Diver skills The demonstration technique Commonly encountered problems during in-water training


1.4 Subject Area 4: Career development 

1.4.1     The participant shall be provided with the career development information as provided for in Clause 4.4 of Chapter 1.


2. Required SCUBA skills

No confined water assessment  2.1 Open water skills

2.1.1     All skills mastered during Diver One Star and Diver Two Star courses need to be perfected and may be examined during the assessment dives

2.1.2      Surface marker buoy skills The participant shall be able to competently demonstrate his mastery in the use of a surface marker buoy (delayed and permanent).

2.1.3     Deep diving skills The participant shall demonstrate mastery of the techniques involved in planning and executing dives beyond the depth ranges typical for recreational SCUBA diving in the local environment. Specifically these techniques shall address the following issues:     Nitrogen narcosis     Air consumption and breathing     Decompression limits     Proper ascent procedures including in-water stops     Buoyancy changes    Use of specific equipment (e.g. emergency breathing gas supply)     Emergency equipment and procedures 


2.1.4      Underwater navigation skills The participant shall demonstrate his mastery of underwater navigation. The participant shall demonstrate his ability to plan, organise and conduct his dives and to safely lead other recreational scuba divers using both instrument and natural navigation  techniques. 


2.1.5     Rescue skills The participant shall demonstrate diver rescue skills by completing at least one open water rescue. The rescue exercise shall include in the following:    Recognition of emergency situations (e.g. loss of breathing gas supply, lack of response)     Basic underwater search techniques     Controlled casualty recovery from depth     Effective emergency surface actions     Casualty recovery from the water     Emergency situation management including co-ordination with emergency services      First-Aid treatment and Cardiopulmonary Resuscitation (CPR)      Oxygen Administration


2.1.6      Dive leadership skills The participant shall be able to competently demonstrate the following dive leadership skills in depth ranges and environmental conditions typical to those usually encountered by the CMAS Three Star Diver:     Dive planning and preparationthat will include the following: Site selection taking into account dive team capabilities and environmental factors Risk assessment, emergency plan and equipment preparation Decompression calculation and consideration of other factors affecting off-gassinge.g. flying and other changes in altitude, physical activities Dive limits Descent and ascent aids (e.g. shot line, emergency breathing gas supply) Indicating diving operations where required (e.g. by means of A-flag or other signals)     Dive briefing that will include the following: Team assignments Time/depth limits  Problem/emergency procedures Site/environmental considerations Communications Pre-dive equipment preparation     Dive conduct that will include the following: Kitting up and pre-dive checks Entry control Descent control Monitoring of time, progress with dive plan, and SCUBA divers' breathing gas supplies Awareness of stress levels of SCUBA divers Identification of under water hazards Appropriate reaction to problems and emergencies Underwater navigation Safe ascent and exit control     Post-dive proceduresthat will include the following: Check out procedures Debriefing Check decompression calculation and consideration of other factors affecting off-gassing

(e.g. flying and other changes in altitude, physical activities) Equipment care and post dive maintenance Recording the dive



CMAS Three Star Training Programme.pdf