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Elements and Performance Criteria
Range Statement
Performance Evidence
Knowledge Evidence
Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria and include knowledge of:ARPA system performance and accuracy, tracking capabilities, limitations and processing delaysblind pilotage planningbridge navigational watch alarm systems (BNWAS), including:alarmscarriage requirementsdesign operational sequencespurposecourse and speed of other vesselscritical echoes, exclusion areas and trial manoeuvresdetecting course and speed changes of other vesselsdetection 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 botherrors of magnetic compass and their functionfactors affecting performance and accuracy of radar and other navigational equipmentfundamentals of radar and ARPAsground and sea stabilisation and their effects on ARPA dataidentification of critical echoesCOLREGsmagnetic and gyrocompasses, including rate of turn gyromeeting overtaking vesselsmethods of position fixing using celestial observations with a sextantmethods of target acquisition and their limitationsmisrepresentation. including:compass errorsfalse echoesincorrect radar settings for heading marker and range markerincorrect setting up of electronic chart system (ECS) or electronic chart display and information system (ECDIS)incorrect setting up of satellite navigation systemssatellite and differential satellite navigation system errorssea and rain clutter returnsnavigational data, including:navigation safety warningrecording of courses steeredweather and oceanographic reportsparallel indexingplotting techniques and relative and true-motion conceptsprincipal types of ARPAs, their display characteristics, performance standards and the consequences of over reliance on ARPAsprinciples of the magnetic compass and their correctionrange and bearing by radarsea and ground stabilisation and their effect on ARPA datasetting up and maintaining displays on radartime, distance and bearing of closest point of approach of a closing vesseltrue and relative vectors, graphic representation of target information and danger areasuse of operational warnings and system testsvoyage data recorder and simplified voyage data recorder, including:authorised access to data by personnel for investigationscarriage requirementsdata items recordeddata output interfacedata security and softwaredesign and operationpurposework health and safety (WHS)/occupational health and safety (OHS) requirements and work practices. |