SISOSCB004 — Navigate prescribed routes underwater

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What an assessment for SISOSCB004 must cover

32 assessable components: 2 elements (10 performance criteria), 4 performance evidence and 14 knowledge evidence requirements, plus 4 foundation skills. An audit-defensible tool maps every question and task back to these — that mapping is the coverage matrix Auditori generates alongside the assessment.

Elements & performance criteria

1 Prepare for underwater navigation.

1.1Interpret any available waterway charts and publications, appropriate for the dive site.
1.2Complete surface observations to assist with navigation throughout the dive.
1.3Select navigation equipment, set compass bearing and determine navigation roles with dive buddy.
1.4Descend facing toward direction of initial underwater travel to orientate position.

2 Navigate underwater.

2.1Use compass and other instruments to track and maintain underwater direction and course.
2.2Follow underwater patterns of travel to maintain course.
2.3Utilise underwater features to fix position and maintain direction and course.
2.4Utilise techniques to measure distance travelled to fix position and maintain course.
2.5Surface if necessary to verify location and reset direction of travel.
2.6Log dive site locations for future dives.

Performance evidence

navigate during three SCUBA dives
before each dive, complete surface observations to assist with underwater navigation using two aids chosen from the following list: wind, current and tidal movement; angle of the sun and direction of travel across the sky in relation to planned underwater movement; position of natural offshore landmarks or constructed features; use of waterway charts or depth finders on boats to identify underwater topography
across the three dives, collectively use these techniques to navigate: use of compass, course plotters and heading calculators; use of two natural underwater features; use of two patterns for underwater navigation; use of distance travelled by: measuring kick cycles; determining time elapsed using a timing device; surfacing on one occasion to verify location on map
log two dive site locations for future dives: one using compass bearings as a reference; one using permanent landmarks as a reference.

Knowledge evidence

trusted sources of waterway charts and tide tables for the region or locality
different technologies used to access charts and tide tables
information found on waterway charts relevant to dive navigation: depth; underwater topography; topographic features of surrounding land; buoyage; constructed features – bridges, piers, wrecks
pre-dive observations that can be made to assist with navigating when diving: wind, current and tidal movement; angle of the sun and direction of travel across the sky in relation to planned underwater movement; position of natural offshore landmarks and constructed features – rocks, reefs, sand bars, kelp beds, piers, navigation buoyage, wrecks; use of waterway charts and depth finders on boats to identify underwater topography
navigation roles that can be shared between buddy divers
common patterns for underwater navigation, advantages and disadvantages of each: out and back along a straight line; squares and rectangles; triangles; circles
features functions and operation of underwater compasses
correct position for holding an underwater compass to maintain an accurate heading
how to set a compass for the following: a heading; reciprocal course; square or rectangle pattern; triangle pattern
techniques used to avoid errors when navigating with a compass underwater
features and functions of course plotters and heading calculators used to navigate multi heading courses underwater and: techniques used to track a multi heading course , return to start point and navigate from one point to another using a course plotter; techniques used to determine pattern headings using a heading calculator
natural features and references commonly used by divers to fix position and navigate underwater: light and shadows cast by the sun or moon; direction of currents and water surge; bottom composition and contours; position of plants and animals
techniques used to estimate travelled distance underwater, advantages and disadvantages of each: measuring kick cycles; determining lapsed time using a timing device; using cylinder pressure readings; measuring and counting arm spans; using underwater lines and reels
techniques used to fix and relocate an underwater site for future dives: using permanent landmarks, sketching and logging; using and logging compass bearings; using a global positioning system (GPS) on the surface.

Foundation skills

Reading: interpret detailed and potentially unfamiliar information on nautical charts and publications.
Writing: log basic factual data using fundamental sentence structure and navigational jargon.
Oral communication: use clear and unambiguous verbal and non-verbal communications to make intent known with diving buddy.
Numeracy: interpret and calculate numerical data involving, distances, times and speeds, basic multiplication and division.

Unit content sourced from training.gov.au — © Commonwealth of Australia, licensed under CC BY 4.0. Auditori is not affiliated with the Department of Employment and Workplace Relations.

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Questions about assessing SISOSCB004

What does an assessment tool for SISOSCB004 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for SISOSCB004 needs to address all 32 unit components: 2 elements with 10 performance criteria, 4 performance evidence requirements, 14 knowledge evidence requirements, and the foundation skills. A coverage matrix mapping each question and task to these components is what an auditor looks for.

How does Auditori generate an assessment tool for SISOSCB004?

Auditori pulls the current release of SISOSCB004 from training.gov.au and generates a complete package: candidate assessment, assessor guide with model answers and observation criteria, and a coverage matrix mapping every component. A suitably qualified person then reviews and approves the draft in a built-in workflow — consistent with ASQA's guidance on AI use in VET — before export as branded PDF and editable Word.

Is the first assessment tool really free?

Yes. Every new account includes one free credit — enough to generate the complete assessment tool for SISOSCB004 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing SISOSCB004 assessment instead of generating a new one?

Yes — upload your existing assessment or learner guide and Auditori maps it against every element, performance criterion, PE and KE of SISOSCB004, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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