This unit involves the skills and knowledge required to obtain a licence to drive a heavy combination vehicle. It includes systematically and efficiently controlling all vehicle functions, monitoring traffic and road conditions, managing vehicle condition and performance, coupling and uncoupling of trailer, and effectively managing hazardous situations. A heavy combination vehicles includes:a prime mover with a minimum of three axles and a semi-trailer with a minimum of two axles - vehicle must have a GCM rating of at least 24 tonnes or a heavy rigid vehicle towing a trailer - trailer must have at least two axles and a GVM of 12 tonnes or more.Assessment of this unit will be undertaken within a licensing examination conducted by, or under the authority of, the relevant state/territory driver licensing authority.This unit applies to driving that is carried out in accordance with relevant state/territory driver licensing authority licence requirements and regulations for heavy combination vehicles.Driving is performed with limited or minimum supervision, and with limited accountability and responsibility for self and others in achieving the prescribed outcomes.Driving involves the application of routine vehicle driving principles and procedures to maintain safety and to operate a heavy combination vehicle across a variety of driving contexts.The primary legislative requirements applicable to this unit of competency are state/territory legislation in relation to road use and driver licensing.This unit addresses the knowledge and skills necessary for the granting of a Heavy Combination Driver Licence.Being awarded this unit of competency is a necessary requirement to obtain a Heavy Combination Driver Licence but is only one of several criteria. Prospective licence applicants should check with the state/territory driver licensing authority for other criteria (such as licence tenure and medical fitness) to confirm other eligibility requirements before undertaking training and/or assessment.