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Knowledge Development Knowledge Development Presentation FourPresentation Four


Knowledge Development 4 - Knowledge Development 4 - 22Main Menu Previous Next

Presentation Four OverviewPresentation Four OverviewPresentation Four OverviewPresentation Four Overview

Thinking Like a Trimix Diver IVThinking Like a Trimix Diver IV Equipment IIIEquipment III

Thinking Like a Trimix Diver IVThinking Like a Trimix Diver IV Equipment IIIEquipment III


Thinking Like a Trimix Diver IVThinking Like a Trimix Diver IVThinking Like a Trimix Diver IVThinking Like a Trimix Diver IV

Limits of Trimix DivingLimits of Trimix Diving Limits of TrainingLimits of Training ResponsibilitiesResponsibilities Extending Your LimitsExtending Your Limits

Limits of Trimix DivingLimits of Trimix Diving Limits of TrainingLimits of Training ResponsibilitiesResponsibilities Extending Your LimitsExtending Your Limits


Limits of Trimix DivingLimits of Trimix DivingLimits of Trimix DivingLimits of Trimix Diving

What are the limits of trimix diving?What are the limits of trimix diving?• The limitsThe limits

New beginning trimix divers - 75 metres/245 feet, or New beginning trimix divers - 75 metres/245 feet, or the maximum depth experienced during trainingthe maximum depth experienced during training

Experienced trimix divers – as deep as 90 metres/245 Experienced trimix divers – as deep as 90 metres/245 feet, or the maximum depthfeet, or the maximum depthexperienced during trainingexperienced during training

Highly experienced exploratory divers – betweenHighly experienced exploratory divers – between90 metres/300 feet and 120 metres/400 feet90 metres/300 feet and 120 metres/400 feet

• Maximum depth for this courseMaximum depth for this course75 metres/245 feet75 metres/245 feet

What are the limits of trimix diving?What are the limits of trimix diving?• The limitsThe limits

New beginning trimix divers - 75 metres/245 feet, or New beginning trimix divers - 75 metres/245 feet, or the maximum depth experienced during trainingthe maximum depth experienced during training

Experienced trimix divers – as deep as 90 metres/245 Experienced trimix divers – as deep as 90 metres/245 feet, or the maximum depthfeet, or the maximum depthexperienced during trainingexperienced during training

Highly experienced exploratory divers – betweenHighly experienced exploratory divers – between90 metres/300 feet and 120 metres/400 feet90 metres/300 feet and 120 metres/400 feet

• Maximum depth for this courseMaximum depth for this course75 metres/245 feet75 metres/245 feet


Limits of TrainingLimits of TrainingLimits of TrainingLimits of Training

What are the limits of your training in the What are the limits of your training in the Tec Trimix Diver course?Tec Trimix Diver course?• Restrict your diving limit after the course to 75 Restrict your diving limit after the course to 75

metres/245 feet or to the maximum depth metres/245 feet or to the maximum depth reached in your trainingreached in your training

Dive under the conditions in which you were trainedDive under the conditions in which you were trained• Visibility, temperature, fresh or salt water, etc. Visibility, temperature, fresh or salt water, etc. • Water motion, waves, surge and currentWater motion, waves, surge and current

What are the limits of your training in the What are the limits of your training in the Tec Trimix Diver course?Tec Trimix Diver course?• Restrict your diving limit after the course to 75 Restrict your diving limit after the course to 75

metres/245 feet or to the maximum depth metres/245 feet or to the maximum depth reached in your trainingreached in your training

Dive under the conditions in which you were trainedDive under the conditions in which you were trained• Visibility, temperature, fresh or salt water, etc. Visibility, temperature, fresh or salt water, etc. • Water motion, waves, surge and currentWater motion, waves, surge and current


Limits of TrainingLimits of TrainingLimits of TrainingLimits of Training

How do you extend your limits as a Tec How do you extend your limits as a Tec Trimix Diver?Trimix Diver?• To extend your limits give yourself some time To extend your limits give yourself some time

and experienceand experience After certification dive within your meansAfter certification dive within your means Extend your limits graduallyExtend your limits gradually Avoid pushing environmental and depthAvoid pushing environmental and depth

limits togetherlimits together Team up with more experienced diversTeam up with more experienced divers

• Your limits will expand over time ifYour limits will expand over time ifthat’s your interestthat’s your interest

How do you extend your limits as a Tec How do you extend your limits as a Tec Trimix Diver?Trimix Diver?• To extend your limits give yourself some time To extend your limits give yourself some time

and experienceand experience After certification dive within your meansAfter certification dive within your means Extend your limits graduallyExtend your limits gradually Avoid pushing environmental and depthAvoid pushing environmental and depth

limits togetherlimits together Team up with more experienced diversTeam up with more experienced divers

• Your limits will expand over time ifYour limits will expand over time ifthat’s your interestthat’s your interest


ResponsibilitiesResponsibilitiesResponsibilitiesResponsibilities

What are your responsibilities as a Tec What are your responsibilities as a Tec Trimix Diver with respect to the state of Trimix Diver with respect to the state of the art in trimix diving in particular, and the art in trimix diving in particular, and technical diving in general? technical diving in general? • Remember your responsibilitiesRemember your responsibilities

To accept the risks of trimix diving, tec diving and To accept the risks of trimix diving, tec diving and risks that accompany expanding your limitsrisks that accompany expanding your limits

To stay informed with tec diving in general,To stay informed with tec diving in general,trimix in particulartrimix in particular

• Technology and proceduresTechnology and procedures• Decompression theoryDecompression theory

What are your responsibilities as a Tec What are your responsibilities as a Tec Trimix Diver with respect to the state of Trimix Diver with respect to the state of the art in trimix diving in particular, and the art in trimix diving in particular, and technical diving in general? technical diving in general? • Remember your responsibilitiesRemember your responsibilities

To accept the risks of trimix diving, tec diving and To accept the risks of trimix diving, tec diving and risks that accompany expanding your limitsrisks that accompany expanding your limits

To stay informed with tec diving in general,To stay informed with tec diving in general,trimix in particulartrimix in particular

• Technology and proceduresTechnology and procedures• Decompression theoryDecompression theory


ResponsibilitiesResponsibilitiesResponsibilitiesResponsibilities

Responsibilities as a Tec Trimix DiverResponsibilities as a Tec Trimix Diver• Keep in mind:Keep in mind:

Don’t tec dive if acceptable risk becomesDon’t tec dive if acceptable risk becomesintolerable or your physical conditionintolerable or your physical conditionmakes risk unacceptablemakes risk unacceptable

Keep your skills and knowledge freshKeep your skills and knowledge freshand currentand current

• Think of your team’s safetyThink of your team’s safety

Responsibilities as a Tec Trimix DiverResponsibilities as a Tec Trimix Diver• Keep in mind:Keep in mind:

Don’t tec dive if acceptable risk becomesDon’t tec dive if acceptable risk becomesintolerable or your physical conditionintolerable or your physical conditionmakes risk unacceptablemakes risk unacceptable

Keep your skills and knowledge freshKeep your skills and knowledge freshand currentand current

• Think of your team’s safetyThink of your team’s safety


Extending Your LimitsExtending Your LimitsExtending Your LimitsExtending Your Limits

What is the most important personal What is the most important personal quality with respect to extending your quality with respect to extending your limits?limits?

The most important quality is The most important quality is patiencepatience• Don’t be in a hurry to push your limitsDon’t be in a hurry to push your limits• Take time to stay currentTake time to stay current• Refresh and practice your skillsRefresh and practice your skills• Don’t be afraid to say “no” to a diveDon’t be afraid to say “no” to a dive

you’re not prepared foryou’re not prepared for• Know and stay within yourKnow and stay within your

personal limitspersonal limits

What is the most important personal What is the most important personal quality with respect to extending your quality with respect to extending your limits?limits?

The most important quality is The most important quality is patiencepatience• Don’t be in a hurry to push your limitsDon’t be in a hurry to push your limits• Take time to stay currentTake time to stay current• Refresh and practice your skillsRefresh and practice your skills• Don’t be afraid to say “no” to a diveDon’t be afraid to say “no” to a dive

you’re not prepared foryou’re not prepared for• Know and stay within yourKnow and stay within your

personal limitspersonal limits


Equipment IIIEquipment IIIEquipment IIIEquipment III

Crush DepthCrush Depth Depth Rating for EquipmentDepth Rating for Equipment Exceeding Equipment Rated DepthsExceeding Equipment Rated Depths Other Depth Related EffectsOther Depth Related Effects Choosing Depth Rated EquipmentChoosing Depth Rated Equipment

Crush DepthCrush Depth Depth Rating for EquipmentDepth Rating for Equipment Exceeding Equipment Rated DepthsExceeding Equipment Rated Depths Other Depth Related EffectsOther Depth Related Effects Choosing Depth Rated EquipmentChoosing Depth Rated Equipment


Crush DepthCrush DepthCrush DepthCrush Depth

What is “crush depth” for a piece of What is “crush depth” for a piece of equipment?equipment?• Crush depth - the depth at which equipment Crush depth - the depth at which equipment

can fail due to pressurecan fail due to pressure Primarily concerned with air filled equipment Primarily concerned with air filled equipment Also concerns anything made of a compressible Also concerns anything made of a compressible

material like Styrofoammaterial like Styrofoam

What is “crush depth” for a piece of What is “crush depth” for a piece of equipment?equipment?• Crush depth - the depth at which equipment Crush depth - the depth at which equipment

can fail due to pressurecan fail due to pressure Primarily concerned with air filled equipment Primarily concerned with air filled equipment Also concerns anything made of a compressible Also concerns anything made of a compressible

material like Styrofoammaterial like Styrofoam


Crush DepthCrush DepthCrush DepthCrush Depth

Why is crush depth an issue for trimix Why is crush depth an issue for trimix diving?diving?• Crush depth - an issue for trimix diving as most Crush depth - an issue for trimix diving as most

dive equipment was designed for 40 dive equipment was designed for 40 metres/130 feetmetres/130 feet

Tec diving to 50 metres/165 withinTec diving to 50 metres/165 withinthe design specs of most gearthe design specs of most gear

More of a concern belowMore of a concern below60 metres/200 feet60 metres/200 feet

Why is crush depth an issue for trimix Why is crush depth an issue for trimix diving?diving?• Crush depth - an issue for trimix diving as most Crush depth - an issue for trimix diving as most

dive equipment was designed for 40 dive equipment was designed for 40 metres/130 feetmetres/130 feet

Tec diving to 50 metres/165 withinTec diving to 50 metres/165 withinthe design specs of most gearthe design specs of most gear

More of a concern belowMore of a concern below60 metres/200 feet60 metres/200 feet


Depth Rating for EquipmentDepth Rating for EquipmentDepth Rating for EquipmentDepth Rating for Equipment

How do your determine a piece of How do your determine a piece of equipment’s depth rating? equipment’s depth rating? • Determine the depth rating for equipment by Determine the depth rating for equipment by

consulting manufacture’s literature or by consulting manufacture’s literature or by contacting the manufacture or suppliercontacting the manufacture or supplier

Wise to test equipment by taking it the desired depthWise to test equipment by taking it the desired depth Pressure stress can be cumulativePressure stress can be cumulative

How do your determine a piece of How do your determine a piece of equipment’s depth rating? equipment’s depth rating? • Determine the depth rating for equipment by Determine the depth rating for equipment by

consulting manufacture’s literature or by consulting manufacture’s literature or by contacting the manufacture or suppliercontacting the manufacture or supplier

Wise to test equipment by taking it the desired depthWise to test equipment by taking it the desired depth Pressure stress can be cumulativePressure stress can be cumulative


Depth Rating for EquipmentDepth Rating for EquipmentDepth Rating for EquipmentDepth Rating for Equipment

What is the safest course with respectWhat is the safest course with respectto avoiding crush depth?to avoiding crush depth?• Lowest failure risk is to use equipmentLowest failure risk is to use equipment

designed for desired depthdesigned for desired depth

What is the safest course with respectWhat is the safest course with respectto avoiding crush depth?to avoiding crush depth?• Lowest failure risk is to use equipmentLowest failure risk is to use equipment

designed for desired depthdesigned for desired depth


Exceeding Equipment Rated DepthsExceeding Equipment Rated DepthsExceeding Equipment Rated DepthsExceeding Equipment Rated Depths

What risk do you face by exceeding What risk do you face by exceeding equipment’s depth rating?equipment’s depth rating?• Diving to or beyond a specific depth rating for Diving to or beyond a specific depth rating for

a piece of equipment poses risksa piece of equipment poses risks Catastrophic failureCatastrophic failure

• Sudden negative buoyancy can create a hazardSudden negative buoyancy can create a hazard Seal failure, and crackingSeal failure, and cracking

• Most likely with camera housings, strobes and DPVsMost likely with camera housings, strobes and DPVs• Unit floodsUnit floods

Non catastrophic crushNon catastrophic crush• Pressure distorts the equipment affectingPressure distorts the equipment affecting

it internallyit internally

What risk do you face by exceeding What risk do you face by exceeding equipment’s depth rating?equipment’s depth rating?• Diving to or beyond a specific depth rating for Diving to or beyond a specific depth rating for

a piece of equipment poses risksa piece of equipment poses risks Catastrophic failureCatastrophic failure

• Sudden negative buoyancy can create a hazardSudden negative buoyancy can create a hazard Seal failure, and crackingSeal failure, and cracking

• Most likely with camera housings, strobes and DPVsMost likely with camera housings, strobes and DPVs• Unit floodsUnit floods

Non catastrophic crushNon catastrophic crush• Pressure distorts the equipment affectingPressure distorts the equipment affecting

it internallyit internally


Other Depth Related EffectsOther Depth Related EffectsOther Depth Related EffectsOther Depth Related Effects

What other depth-related equipment What other depth-related equipment issues might you encounter as a trimix issues might you encounter as a trimix diver?diver?• Most electron gauges/computers have depth Most electron gauges/computers have depth

limitslimits Failure to stay within your gauge’s limit can leave Failure to stay within your gauge’s limit can leave

you without depth/time informationyou without depth/time information

• BCD/dry suit inflationBCD/dry suit inflation As you go deep, increased air density slowsAs you go deep, increased air density slows

speed at which you can inflate BCD/dry suitsspeed at which you can inflate BCD/dry suits

• Wet suitsWet suits Insulate far less effectively at extremeInsulate far less effectively at extreme

depth due to neoprene compressiondepth due to neoprene compressioncontinued…continued…

What other depth-related equipment What other depth-related equipment issues might you encounter as a trimix issues might you encounter as a trimix diver?diver?• Most electron gauges/computers have depth Most electron gauges/computers have depth

limitslimits Failure to stay within your gauge’s limit can leave Failure to stay within your gauge’s limit can leave

you without depth/time informationyou without depth/time information

• BCD/dry suit inflationBCD/dry suit inflation As you go deep, increased air density slowsAs you go deep, increased air density slows

speed at which you can inflate BCD/dry suitsspeed at which you can inflate BCD/dry suits

• Wet suitsWet suits Insulate far less effectively at extremeInsulate far less effectively at extreme

depth due to neoprene compressiondepth due to neoprene compressioncontinued…continued…


Other Depth Related EffectsOther Depth Related EffectsOther Depth Related EffectsOther Depth Related Effects

More related risks includeMore related risks include• RegulatorsRegulators

Lower performance models may have noticeable Lower performance models may have noticeable delivery problems at trimix depthsdelivery problems at trimix depths

Reliable, lower end regulators may be fine for shallow Reliable, lower end regulators may be fine for shallow use on decompression cylindersuse on decompression cylinders

• Decompression modelDecompression model Anecdotal reports suggest that current deco Anecdotal reports suggest that current deco

methodologies become less reliablemethodologies become less reliablebelow 100 metres/300 feetbelow 100 metres/300 feet

More related risks includeMore related risks include• RegulatorsRegulators

Lower performance models may have noticeable Lower performance models may have noticeable delivery problems at trimix depthsdelivery problems at trimix depths

Reliable, lower end regulators may be fine for shallow Reliable, lower end regulators may be fine for shallow use on decompression cylindersuse on decompression cylinders

• Decompression modelDecompression model Anecdotal reports suggest that current deco Anecdotal reports suggest that current deco

methodologies become less reliablemethodologies become less reliablebelow 100 metres/300 feetbelow 100 metres/300 feet


Choosing Depth Rated EquipmentChoosing Depth Rated EquipmentChoosing Depth Rated EquipmentChoosing Depth Rated Equipment

What should you look for with respect to What should you look for with respect to equipment rated to deep depths?equipment rated to deep depths?• Since the success of the mission depends on it Since the success of the mission depends on it

choose your equipment with these choose your equipment with these considerations in mindconsiderations in mind

Select equipment with a manufactures rating rated Select equipment with a manufactures rating rated deeper than your intended usedeeper than your intended use

Liquid filled gauges resist pressure far better than air-Liquid filled gauges resist pressure far better than air-filledfilled

What should you look for with respect to What should you look for with respect to equipment rated to deep depths?equipment rated to deep depths?• Since the success of the mission depends on it Since the success of the mission depends on it

choose your equipment with these choose your equipment with these considerations in mindconsiderations in mind

Select equipment with a manufactures rating rated Select equipment with a manufactures rating rated deeper than your intended usedeeper than your intended use

Liquid filled gauges resist pressure far better than air-Liquid filled gauges resist pressure far better than air-filledfilled


Choosing Depth Rated EquipmentChoosing Depth Rated EquipmentChoosing Depth Rated EquipmentChoosing Depth Rated Equipment

The success of the mission depends on itThe success of the mission depends on it• When choosing equipment consider:When choosing equipment consider:

Large items with light canisters and DPVs tolerate Large items with light canisters and DPVs tolerate pressure better if built with internal bulkheadspressure better if built with internal bulkheads

Camera equipment is rarely rated below 75 Camera equipment is rarely rated below 75 metres/245 feet, choose wisely or it couldmetres/245 feet, choose wisely or it couldbe expensivebe expensive

The success of the mission depends on itThe success of the mission depends on it• When choosing equipment consider:When choosing equipment consider:

Large items with light canisters and DPVs tolerate Large items with light canisters and DPVs tolerate pressure better if built with internal bulkheadspressure better if built with internal bulkheads

Camera equipment is rarely rated below 75 Camera equipment is rarely rated below 75 metres/245 feet, choose wisely or it couldmetres/245 feet, choose wisely or it couldbe expensivebe expensive


Practical Application Four - Practical Application Four - ObjectivesObjectives

Practical Application Four - Practical Application Four - ObjectivesObjectives

Working as a team and using desktop deco Working as a team and using desktop deco softwaresoftware• Plan two trimix dives, both with deep stopsPlan two trimix dives, both with deep stops• Plans to include gas consumption, oxygen Plans to include gas consumption, oxygen

exposure, decompression schedules, turn exposure, decompression schedules, turn pressures and contingency decompression pressures and contingency decompression schedules for each team memberschedules for each team member

Plan a team-chosen mission studying Plan a team-chosen mission studying pressure effects on an objectpressure effects on an object• Accounting for time required, specificAccounting for time required, specific

tasks, individual team duties andtasks, individual team duties andthe effects on general divingthe effects on general diving

Working as a team and using desktop deco Working as a team and using desktop deco softwaresoftware• Plan two trimix dives, both with deep stopsPlan two trimix dives, both with deep stops• Plans to include gas consumption, oxygen Plans to include gas consumption, oxygen

exposure, decompression schedules, turn exposure, decompression schedules, turn pressures and contingency decompression pressures and contingency decompression schedules for each team memberschedules for each team member

Plan a team-chosen mission studying Plan a team-chosen mission studying pressure effects on an objectpressure effects on an object• Accounting for time required, specificAccounting for time required, specific

tasks, individual team duties andtasks, individual team duties andthe effects on general divingthe effects on general diving


Practical Application Five - Practical Application Five - ObjectivesObjectivesPractical Application Five - Practical Application Five - ObjectivesObjectives

Working as a team and using desktop deco software, plan two trimix dives, both with deep stops• The plans to include gas consumption, oxygen

exposure, decompression schedules, turn pressures and contingency decompression schedules for each team member.

Working as a team, plan ateam-chosen mission for each dive

Working as a team and using desktop deco software, plan two trimix dives, both with deep stops• The plans to include gas consumption, oxygen

exposure, decompression schedules, turn pressures and contingency decompression schedules for each team member.

Working as a team, plan ateam-chosen mission for each dive


Tec Trimix Diver ExamTec Trimix Diver ExamTec Trimix Diver ExamTec Trimix Diver Exam

Let’s write the examLet’s write the exam• There’s 50 questionsThere’s 50 questions

Multiple choice, fill in the blank and calculationMultiple choice, fill in the blank and calculation

• Hour and a half time limitHour and a half time limit• May use a pen or pencil, scrap paper and the May use a pen or pencil, scrap paper and the

tables in the tables in the Tec Trimix Diver ManualTec Trimix Diver Manual and the and the Tec Deep Diver ManualTec Deep Diver Manual and a calculator and a calculator

• 80 percent is the minimum score required80 percent is the minimum score required We’ll review any of the questionsWe’ll review any of the questions

you may have missedyou may have missed

Let’s write the examLet’s write the exam• There’s 50 questionsThere’s 50 questions

Multiple choice, fill in the blank and calculationMultiple choice, fill in the blank and calculation

• Hour and a half time limitHour and a half time limit• May use a pen or pencil, scrap paper and the May use a pen or pencil, scrap paper and the

tables in the tables in the Tec Trimix Diver ManualTec Trimix Diver Manual and the and the Tec Deep Diver ManualTec Deep Diver Manual and a calculator and a calculator

• 80 percent is the minimum score required80 percent is the minimum score required We’ll review any of the questionsWe’ll review any of the questions

you may have missedyou may have missed


Presentation Four ReviewPresentation Four ReviewPresentation Four ReviewPresentation Four Review

Thinking Like a Trimix Diver IVThinking Like a Trimix Diver IV Equipment IIIEquipment III Practical Application Four – Practical Application Four – ObjectivesObjectives Practical Application Five - Practical Application Five - ObjectivesObjectives Tec Trimix Diver ExamTec Trimix Diver Exam

Thinking Like a Trimix Diver IVThinking Like a Trimix Diver IV Equipment IIIEquipment III Practical Application Four – Practical Application Four – ObjectivesObjectives Practical Application Five - Practical Application Five - ObjectivesObjectives Tec Trimix Diver ExamTec Trimix Diver Exam


Let’s Go DivingLet’s Go DivingLet’s Go DivingLet’s Go Diving

Training Dive Five - Training Dive Five - ObjectivesObjectives Training Dive Six - Training Dive Six - ObjectivesObjectives Training Dive Seven - Training Dive Seven - ObjectivesObjectives Training Dive EightTraining Dive Eight - - ObjectivesObjectives

Training Dive Five - Training Dive Five - ObjectivesObjectives Training Dive Six - Training Dive Six - ObjectivesObjectives Training Dive Seven - Training Dive Seven - ObjectivesObjectives Training Dive EightTraining Dive Eight - - ObjectivesObjectives


Training Dive Five - Training Dive Five - ObjectivesObjectivesTraining Dive Five - Training Dive Five - ObjectivesObjectives

Working within a teamWorking within a team• Rig gearRig gear• AA GGood ood DDiver’s iver’s MMain ain OObjective bjective IIs s TTo o LLiveive• BBeing eing WWary ary RReduces educes AAll ll FFailuresailures

Plan and execute a trimix accelerated Plan and execute a trimix accelerated decompression divedecompression dive

On the bottom respond correctly toOn the bottom respond correctly to• A simulated regulator freeflow orA simulated regulator freeflow or

manifold failuremanifold failure• A simulated runaway inflatorA simulated runaway inflator

(BCD or backup) (BCD or backup) continued…continued…



On the bottom respond correctly toOn the bottom respond correctly to• A simulated regulator freeflow orA simulated regulator freeflow or

manifold failuremanifold failure• A simulated runaway inflatorA simulated runaway inflator

(BCD or backup) (BCD or backup) continued…continued…


Training Dive Five - Training Dive Five - ObjectivesObjectivesTraining Dive Five - Training Dive Five - ObjectivesObjectives

Working as a team, attempt to complete Working as a team, attempt to complete the dive mission chosen togetherthe dive mission chosen together

As a team, deploy a lift bagAs a team, deploy a lift bag As a team, deploy a second lift bag up the As a team, deploy a second lift bag up the

line of the previously deployed lift bagline of the previously deployed lift bag While decompressing, respond to an While decompressing, respond to an

ascent emergency scenarioascent emergency scenario Demonstrate time, depth and gasDemonstrate time, depth and gas

supply awarenesssupply awareness

Working as a team, attempt to complete Working as a team, attempt to complete the dive mission chosen togetherthe dive mission chosen together

As a team, deploy a lift bagAs a team, deploy a lift bag As a team, deploy a second lift bag up the As a team, deploy a second lift bag up the

line of the previously deployed lift bagline of the previously deployed lift bag While decompressing, respond to an While decompressing, respond to an

ascent emergency scenarioascent emergency scenario Demonstrate time, depth and gasDemonstrate time, depth and gas

supply awarenesssupply awareness


Training Dive Six - Training Dive Six - ObjectivesObjectivesTraining Dive Six - Training Dive Six - ObjectivesObjectives



Execute a mission to study andExecute a mission to study anddocument the effects of pressuredocument the effects of pressureon an object on an object continued…continued…



Execute a mission to study andExecute a mission to study anddocument the effects of pressuredocument the effects of pressureon an object on an object continued…continued…


Training Dive Six - Training Dive Six - ObjectivesObjectivesTraining Dive Six - Training Dive Six - ObjectivesObjectives

While decompressing, respond to an While decompressing, respond to an ascent emergency scenarioascent emergency scenario

Demonstrate time, depth and gas supply Demonstrate time, depth and gas supply awarenessawareness

While decompressing, respond to an While decompressing, respond to an ascent emergency scenarioascent emergency scenario

Demonstrate time, depth and gas supply Demonstrate time, depth and gas supply awarenessawareness


Training Dive Seven - Training Dive Seven - ObjectivesObjectivesTraining Dive Seven - Training Dive Seven - ObjectivesObjectives



As a team execute a missionAs a team execute a missionchosen by the teamchosen by the team





Training Dive Eight - Training Dive Eight - ObjectivesObjectivesTraining Dive Eight - Training Dive Eight - ObjectivesObjectives








GraduationGraduationGraduationGraduation

Congratulations – you’re nowCongratulations – you’re now“at the bottom of the top”“at the bottom of the top”

Respect and follow all the rules and Respect and follow all the rules and proceduresprocedures

Keep informed and dive frequentlyKeep informed and dive frequently Extend your limits graduallyExtend your limits gradually There’s a new world out thereThere’s a new world out there

waiting to be explored!waiting to be explored!

Congratulations – you’re nowCongratulations – you’re now“at the bottom of the top”“at the bottom of the top”

Respect and follow all the rules and Respect and follow all the rules and proceduresprocedures

Keep informed and dive frequentlyKeep informed and dive frequently Extend your limits graduallyExtend your limits gradually There’s a new world out thereThere’s a new world out there

waiting to be explored!waiting to be explored!

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