NWPHYS005 — Use alternate positioning systems to gather data

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What an assessment for NWPHYS005 must cover

41 assessable components: 3 elements (12 performance criteria), 11 performance evidence and 18 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 the principles of cartography from positioning systems to gather data

1.1Analyse the data properties and distortions in projections used in map and chart positioning systems
1.2Analyse the selection of projection types for data gathering and product generation
1.3Identify, interpret and synthesise historical surveys compared to legacy positioning systems
1.4Select and apply projection formulae to provide an appropriate graphic representation
1.5Identify and interpret relevant documentation and product including plans, reports, geographic information system (GIS) and charts, according to workplace procedures

2 Apply acoustic positioning systems

2.1Plan, monitor, review and assess the deployment, calibration, signal structure and performance of acoustic positioning devices
2.2Identify and analyse the principles of integrated underwater positioning systems
2.3Use underwater positioning systems in the use of remote survey platforms according to workplace procedures
2.4Apply appropriate statistical formulae to obtain accurately calculated values and represent graphically

3 Use IMU and INS

3.1Use inertial motion units and calculate measures to analyse positioning data
3.2Analyse the concepts of aided inertial navigation systems
3.3Describe and analyse the sources and magnitude of uncertainties associated with positioning methods and positioning systems

Performance evidence

analysing the sources and magnitude of uncertainties associated with positioning methods and positioning systems
comparing historical surveys with modern surveys and report
comparing IMU heading measurements with magnetic compasses and gyrocompasses
calculating dynamic alignment of inertial navigational systems (INS) and analysing impacts
analysing distortions in projection types
monitoring, reviewing and assessing the performance of positioning systems in both relative and absolute terms using appropriate statistical tools analysing the following: accuracy, precision, repeatability
performing complex calculations to provide the final solution for a position
selecting and applying projection formulae to provide an appropriate graphic representation
selecting the appropriate projection type for product generation
using acoustic positioning systems in offshore survey operations
using inertial motion units (IMU) including north finding and heave estimation

Knowledge evidence

analytical projection formulae and planimetric coordinates
baseline equipment used for calculating positions including: depth sensors, integration with INS and velocity sensors, purpose of acoustics for positioning towed vehicles, remotely operated underwater vehicles (ROV) and autonomous underwater vehicles (AUV), transponders
characteristics of legacy positioning systems
complex mathematical calculations relevant to determining position using position system data including total propagated uncertainty in vertical and horizontal
differences between IMU and INS
geometrical properties of map projections including: direction associated with different map projections, distortions in distance
inertial measurement units (IMU) of a survey platform including: heave estimation, north finding, pitch, roll, yaw
INS including: procedures for static and dynamic alignment, acoustic doppler current profiler (ADCP) and INS, Global Navigation Satellite System (GNSS) and INS, ultra short baseline (USBL), Depth and INS
mobile surveys including: GNSS equipment, IMU and INS, acoustic positioning
operational procedures for correct installation of gyrocompasses and accelerometers
positioning methods including: Continuously Operating Reference Stations (CORS) networks, intersection, post processed GNSS, real time kinematic, resection, satellite corrections, static network
principles of cartography
principles of integrated underwater positioning systems
relevant documentation and product including: charts, GIS, plans, reports
remote survey platforms including: autonomous underwater vehicles, drones, gliders, unmanned surface vehicles
set up procedures for calculating the following baselines: long, short, ultra-short
static surveys including: acoustic positioning, GNSS observations, levelling instruments, total stations
types of projections including: conical, cylindrical, stereographic, Universal Transverse Mercator (UTM) system

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 NWPHYS005

What does an assessment tool for NWPHYS005 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for NWPHYS005 needs to address all 41 unit components: 3 elements with 12 performance criteria, 11 performance evidence requirements, 18 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 NWPHYS005?

Auditori pulls the current release of NWPHYS005 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?

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Can I check my existing NWPHYS005 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 NWPHYS005, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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