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MARH040 — Apply knowledge of core Autonomous Underwater Vehicles (AUV) operations

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What an assessment for MARH040 must cover

64 assessable components: 12 elements (42 performance criteria), 9 performance evidence and 13 knowledge evidence requirements. 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 Identify key working components of an AUV

  • 1.1Communication and navigation systems are identified
  • 1.2Power, control and propulsion systems are identified
  • 1.3Sensor payloads and data transfer system are identified
  • 1.4Ballasting system is identified

2 Apply safe handling techniques for an AUV

  • 2.1Location of safe lifting points and sensitive (‘no touch areas’) are identified
  • 2.2AUV is transitioned from storage to operational area safely and according to operational procedures
  • 2.3Process for initialising, shutting down and recharging AUV is conducted safely and according to operational procedures
  • 2.4Process for data transfer of mission and payload data is conducted according to operational procedures

3 Conduct safe launch and recovery (LAR) of an AUV

  • 3.1Critical factors required for safe launch and recovery systems (LARS) operations are outlined
  • 3.2Deck-handling skills and equipment used to support AUV LAR are outlined
  • 3.3AUV LAR from stationary platform and moving vessel using a seal launch is conducted according to operational procedures
  • 3.4AUV LAR from a stationary vessel using a davit is conducted according to operational procedures

4 Apply hydrostatics to optimise AUV ballasting

  • 4.1Local oceanographic conditions relevant to AUV ballasting are identified and described
  • 4.2Optimal AUV ‘pose’ at the surface and behaviour during a shallow ascent when correctly AUV ballasted is described
  • 4.3AUV ballasting is conducted safely and correctly according to operational procedures

5 Apply principles of AUV mission planning software

  • 5.1Process for loading navigational charts into the mission planning software is outlined
  • 5.2Start and end points are set using mission planning software according to operational requirements
  • 5.3Mission waypoints and transects are set using mission planning software according to operational requirements
  • 5.4Optimal depth and speed control are set using mission planning software according to operational requirements
  • 5.5Total mission timing and distance are estimated manually and using mission planning software
  • 5.6Mission files are uploaded from mission planning software to the AUV following operating procedures

6 Determine requirements for optimal mission planning AUV mission scenarios

  • 6.1Limitations on AUV performance, including maximum dive and climb angles and minimum turning radius, are determined
  • 6.2Best practise mission planning for surveying over submerged riverbeds is outlined
  • 6.3Best practise mission planning for steep terrain is outlined
  • 6.4Best practise mission planning for strong currents is outlined
  • 6.5Best practise mission planning for surveys around maritime infrastructure is outlined

7 Apply AUV tracking technologies

  • 7.1AUV is located using hydrophone
  • 7.2Acoustic beacons are located using ranger modem
  • 7.3Best practises for focusing AUV search and rescue operations are described

8 Apply AUV surface piloting techniques

  • 8.1Remote control of the AUV at the surface is established
  • 8.2AUV piloting to and from the support vessel and around obstacles through the adjustment of course and speed is conducted

9 Conduct assessment of AUV mission data

  • 9.1Key information within master mission log file and operator logbook are accessed and interpreted
  • 9.2Post-mission analysis is conducted to assess the success of the mission relative to payload objectives
  • 9.3Vehicle performance analysis is conducted to assess the engineering behaviour of the AUV

10 Conduct missions to assess optimised performance of AUV

  • 10.1AUV mission to assess improved navigation with acoustic transponders is conducted
  • 10.2AUV mission to assess the impact of payloads on hydrodynamics is conducted
  • 10.3AUV mission to optimise sensor data coverage is conducted

11 Explain control theory in relation to AUV performance

  • 11.1Concepts of input, output, error, feedback and gain for a simple control system are described
  • 11.2Principle of tuning the three components of proportional-integral-derivative (PID) control to improve the achievement of an AUV depth goal is outlined

12 Plan and evaluate an AUV mission

  • 12.1AUV mission is designed and planned according to operational requirements
  • 12.2AUV mission is conducted following a standard operating procedure
  • 12.3Post-mission analysis, including vehicle performance analysis, is completed with a post-mission debrief

Performance evidence

  • completing an AUV ‘walk-around’ identifying key components, including safe lifting points and ‘no-touch’ areas
  • conducting a ‘seal’ launch and recovery (LAR) from stationary and moving platform safely
  • correcting AUV ballast for optimum pose and buoyancy
  • initialising an AUV on ‘shore’ power, determining current battery levels and safely completing charging operations
  • planning, executing and analysing three operational AUV missions in NC waters under supervision, including a minimum of: o completing an AUV logbook and post-mission analysis report which includes preliminary post-mission analysis and vehicle performance analysis for each mission o one mission specific to a target acquisition mission o one mission specific to an acoustic bathymetry survey o one mission specific to an optical camera survey
  • planning, executing and analysing two diagnostic AUV missions in Near Coastal (NC) waters under supervision, including a minimum of: o completing an AUV logbook and post-mission analysis report which includes preliminary post-mission analysis and vehicle performance analysis for each mission o one mission specific to impact of re-configuring sensor payloads on hydrodynamic performance o one mission specific to improved navigation using acoustic beacons
  • surface piloting an AUV in a realistic maritime environment with obstacles that inhibit direct line of sight
  • unpacking an Autonomous Underwater Vehicles (AUV) from storage and preparing for transportation to operational area safely
  • using a hydrophone and acoustic modem to track and locate an AUV which does not surface

Knowledge evidence

  • application of hydrostatics on AUV ballast, including: o AUV behaviour at shallow descent o environmental conditions relevant to ballasting o optimal AUV pose o safe ballasting of AUV
  • commonly used mission planning software packages, including processes to: o estimate total mission length and timing o set start and end mission points o set waypoints and transects o source and load a navigational chart o specify depth-control vs altitude-control
  • critical AUV performance parameters, including: o maximum dive angle, climb angle, speed and revolutions per minute (RPM) o minimum turn radius
  • key elements of a post-mission briefing, including: o lessons learnt o recap of objectives o sensor performance o summary of outcomes o vehicle performance
  • key elements of a pre-mission briefing, including: o objective o operational timing o payload o region of interest o risk assessment and mitigation o team roles
  • key working components of an AUV, including: o ballasting system o communication and navigation systems o data transfer system o power, control and propulsion systems o sensor payloads
  • oceanographic and environmental factors for consideration in AUV mission planning, including: o obstacles o steep terrain o strong currents o submerged riverbeds o uncertain bathymetry o wind
  • optimal mission planning for AUV missions in consideration of: o maximum dive and climb angles o minimum turning radius o surveying over submerged riverbeds, steep terrain, strong currents and maritime infrastructure
  • proportional-integral-derivative (PID) control: o error o gain o input o Kp, Ki and Kd coefficients o output
  • safe handling techniques for an AUV, including: o process for transferring data of mission and payload data o safe lifting points and sensitive (‘no touch’ areas) o safely transitioning an AUV from storage to operational area
  • safe launch and recovery (LAR) techniques for AUV operations, including: o critical factors for safe LAR operations o davit AUV LAR from stationary vessel o deck-handling skills and equipment o ‘seal launch’ AUV LAR from stationary platform and moving vessel
  • surface piloting techniques, including: o adjusting AUV speed and course to negotiate obstacles
  • tracking technologies, including: o process for using a ranger modem to locate an acoustic beacon o strategies for focusing AUV search and rescue operations o techniques for using a hydrophone.

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 MARH040

What does an assessment tool for MARH040 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for MARH040 needs to address all 64 unit components: 12 elements with 42 performance criteria, 9 performance evidence requirements, 13 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 MARH040?

Auditori pulls the current release of MARH040 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 MARH040 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing MARH040 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 MARH040, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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