Unit of competency Outline

Date retreived
22/07/2026 5:34 AM AWST

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SCUBA dive to depths between 18 and 40 metres

SCUBA dive to depths between 18 and 40 metres

Unit of competency
National Code
SISOSCB009
State Code
OBE76
TGA Status
Current
DTWD Status
Approved
Current Release Number
1.00
Current Release Date
11/09/2019
View on TGA
State Implementation and Classification
Approved Date
13/12/2019
Field of Education
092101 - Sport And Recreation Activities
Original Release Date
13/12/2019
Nominal Hours
35
Description
This unit describes the performance outcomes, skills and knowledge required to plan and complete deep recreational SCUBA dives to a maximum depth of 40 metres using equipment, diving and risk management techniques specific to deep diving.It applies to dive leaders, usually known as divemasters, or instructors and to assistant instructors who use these skills when leading participants during SCUBA diving activities. Leadership skills are provided in complementary units.This unit applies to any type of organisation that delivers SCUBA diving activities and dive instruction including commercial, not-for-profit and government organisations.In order to procure air, equipment, and other services to engage in recreational open water diving without supervision, divers must hold certification (C-Card) issued by an industry authorised organisation. That industry certification may or may not be issued concurrently with an Australian Qualification Framework (AQF) qualification or Statement of Attainment identifying achievement of competency in this unit. C-Card certification would be required to gain employment as a divemaster or instructor. Those delivering training and assessment to support this unit should consult the relevant industry bodies to determine any partnership arrangements for courses, trainers and assessors that can lead to joint AQF and industry regulated C-Card certification.
Notes
Elements and Performance Criteria
1. Plan for deep recreational dives.
  • 1.1. Determine specific and realistic objectives for deep recreational dives, accounting for time limits at depth.
  • 1.2. Determine site, depth and duration of dives suited to own and buddy abilities.
  • 1.3. Identify specific site hazards and medical problems associated with diving at depths beyond 18 metres and assess risks.
  • 1.4. Prepare dive plans for single and repetitive deep dives according to industry technical and safety criteria.
  • 1.5. Calculate no-decompression limits.
  • 1.6. Use dive computer or dive tables, as required, to plan requirements.
2. Complete deep dives.
  • 2.1. Select and assemble dive equipment suitable for use at depths beyond 18 metres.
  • 2.2. Execute controlled descents and ascents holding a reference line as a tactile guide.
  • 2.3. Execute controlled free descents and ascents using a reference point as a visual only guide.
  • 2.4. Adjust buoyancy to account for diminishing cylinder weight.
  • 2.5. Utilise deep diving breathing techniques to conserve air, and regularly monitor air supply and pressure gauges.
  • 2.6. Maintain close physical and visual contact with buddy throughout all diving activities and share data from gauges or computer.
  • 2.7. Use depth gauge and timing device or dive computer to measure and control ascent rate.
  • 2.8. Complete appropriate safety stops during ascents according to industry technical and safety criteria.
No information
No information
Replaces
State Code National Code Title Type
D6449 SISOSCB303A Complete deep dives to between 18 and 40 metres Unit of competency