MARH024 — Use of radar and other bridge equipment to maintain safety of navigation
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What an assessment for MARH024 must cover
85 assessable components: 4 elements (21 performance criteria), 10 performance evidence and 54 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 Use radar and ARPA to safely navigate
- 1.1Radar is operated according to manufacturer instructions to produce data on position of vessel, other vessels and fixed objects
- 1.2Radar plot is constructed on radar plotting sheet and automatic plotting devices are initialised
- 1.3Systematic radar and/or ARPA observations of vessels in the vicinity are made and risk of collision is determined
- 1.4Radar data is used to obtain a position fix for vessel using electronic bearing lines and variable range markers
- 1.5Radar bearings are corrected for vessel heading and compass error, as appropriate
- 1.6Adjustments are made to vessel course and speed to maintain safety of navigation
- 1.7Manoeuvring signals are made at appropriate time according to regulations
- 1.8ARPA information is analysed and interpreted taking into account limitation of equipment and prevailing circumstances and conditions
2 Set up bridge equipment
- 2.1Bridge equipment is initialised and displays are set up and maintained
- 2.2Operational performance and accuracy of bridge equipment is confirmed, and appropriate action is taken when performance is out of limits
- 2.3Bridge navigation watch alarm system (BNWAS) and voyage data recorder are activated according to manufacturer requirements and organisational procedures
- 2.4Any false echoes and misrepresentations are detected, identified and rejected
3 Use bridge equipment to safely navigate
- 3.1Bridge equipment is safely and efficiently used to conduct navigation of vessel
- 3.2Position of vessel is monitored during voyage to ensure planned passage is followed
- 3.3Movements of vessels in the vicinity are monitored to ensure collision situations do not occur
- 3.4Adjustments are made to vessel course and speed to maintain safety of navigation
- 3.5Manoeuvring signals are made at appropriate time according to regulations
- 3.6Bridge equipment is used and maintained according to manufacturer requirements and organisational procedures
4 Maintain navigational records
- 4.1Navigational data produced by bridge equipment that should be retained to conform with organisational procedures and regulatory requirements is identified
- 4.2Navigational data is stored electronically or in hard copy as required by organisational procedures and regulatory requirements
- 4.3Security and access requirements for data are adhered to according to organisational procedures
Performance evidence
- communicating clearly and concisely at all times
- correctly interpreting and analysing information obtained from radar and automatic radar plotting aids (ARPAs) taking into account the limitations of equipment and prevailing circumstances and conditions
- correctly interpreting information received from other bridge equipment and applying appropriate corrections
- determining latitude by meridian altitude
- making adjustments to vessel course and speed to maintain safety of navigation
- making decisions to amend course or speed in a timely manner according to accepted navigation practice
- making manoeuvring signals at the appropriate time according to International Regulations for Preventing Collisions at Sea (COLREGs)
- planning and conducting celestial observations using a sextant and plotting a position
- taking actions to avoid close encounter or collision according to COLREGs
- using navigational information to aid in command decisions
Knowledge evidence
- ARPA system performance and accuracy, tracking capabilities, limitations and processing delays
- blind pilotage planning
- bridge navigational watch alarm systems (BNWAS), including:
- alarms
- carriage requirements
- design
- operational sequences
- purpose
- COLREGs
- course and speed of other vessels
- critical echoes, exclusion areas and trial manoeuvres
- detecting course and speed changes of other vessels
- detection of misrepresentation of information, false echoes, sea and rain clutter, racons and search and rescue transponders (SARTs)
- effect of changes in own vessel course and speed or both
- errors of magnetic compass and their function
- factors affecting performance and accuracy of radar and other navigational equipment
- fundamentals of radar and ARPAs
- ground and sea stabilisation and their effects on ARPA data
- identification of critical echoes
- magnetic and gyrocompasses, including rate of turn gyro
- meeting overtaking vessels
- methods of position fixing using celestial observations with a sextant
- methods of target acquisition and their limitations
- misrepresentation including:
- compass errors
- false echoes
- incorrect radar settings for heading marker and range marker
- incorrect setting up of electronic chart system (ECS) or electronic chart display and information system (ECDIS)
- incorrect setting up of satellite navigation systems
- satellite and differential satellite navigation system errors
- sea and rain clutter returns
- navigational data, including:
- navigation safety warning
- recording of courses steered
- weather and oceanographic reports
- parallel indexing
- plotting techniques and relative and true-motion concepts
- principal types of ARPAs, their display characteristics, performance standards and the consequences of over reliance on ARPAs
- principles of the magnetic compass and their correction
- range and bearing by radar
- sea and ground stabilisation and their effect on ARPA data
- setting up and maintaining displays on radar
- time, distance and bearing of closest point of approach of a closing vessel
- true and relative vectors, graphic representation of target information and danger areas
- use of operational warnings and system tests
- voyage data recorder and simplified voyage data recorder, including:
- authorised access to data by personnel for investigations
- carriage requirements
- data items recorded
- data output interface
- data security and software
- design and operation
- purpose
- work health and safety (WHS)/occupational health and safety (OHS) requirements and work practices
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 MARH024
What does an assessment tool for MARH024 need to cover?
To satisfy the Principles of Assessment and Rules of Evidence, an assessment for MARH024 needs to address all 85 unit components: 4 elements with 21 performance criteria, 10 performance evidence requirements, 54 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 MARH024?
Auditori pulls the current release of MARH024 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 MARH024 — with no card and no subscription required. After that it's pay-as-you-go per unit.
Can I check my existing MARH024 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 MARH024, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.
Related units
- MARH013 — Plan and navigate a passage for a vessel up to 12 metres
- MARH014 — Apply weather information when navigating inland waters as Master
- MARH017 — Use wheelhouse equipment for safe navigation
- MARH018 — Apply command navigation procedures on vessels limited by tonnage or near coastal operations
- MARH019 — Forecast weather and oceanographic conditions
- MARH020 — Forecast weather and oceanographic conditions to plan a safe passage
- MARH021 — Manage the navigation of a vessel
- MARH022 — Plan and conduct a passage and determine position
- MARH023 — Use of electronic chart display and information system (ECDIS) to maintain the safety of navigation
- MARH025 — Apply knowledge of dynamic positioning fundamentals
- MARH026 — Apply knowledge of dynamic positioning operations
- MARH027 — Apply knowledge of dynamic positioning systems
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