Competent. For a person to be competent they need qualifications, experience and qualities appropriate to their duties. These include:
- Such training as would ensure acquisition of the necessary knowledge of the field for the tasks that they are required to perform;  
- Adequate knowledge of the hazards and failures of the equipment for which they are responsible;
- Knowledge and understanding of the working practices used in the organisation for which they work;
- The ability to communicate effectively with their peers, with any staff working under their supervision and with their supervisors;
- An appreciation of their own limitations and constraints, whether of knowledge, experience, facilities, resources and a willingness to point these out.