This unit describes the skills required to operate a sonar system. It includes the requirement to configure the system, build and maintain the continuous collection, and collate and analyse information to track existing contacts or identify new contacts. This activity could continue for a prolonged period, requiring the operator to hand over effectively to another operator.This unit was developed for Sensor Operators working within Defence but is applicable to any individual in this field of work.The skills and knowledge described in this unit must be applied within the legislative, regulatory and policy environment in which they are carried out. Organisational policies and procedures must be consulted and adhered to.Those undertaking this unit would work as part of a team, under supervision, while performing routine tasks in a broad range of contexts and environments. They use discretion and judgement and take responsibility for the quality of their output.No licensing, legislative or certification requirements apply to unit at the time of publication.