1. The knowledge necessary for performance of the basic tasks of the professional activity at the level of notion:
1.1. STCW Convention Competences Standard/Code A-II/4 – “Minimal competences standard specifications for the seafarer that are in the existing staff navigation guard (within the staff of guard sailors)”
1.2. SCTW Convention Competence Standard A-II/5 “Minimal competence standard specifications for qualified sailors”.  
2. The knowledge necessary for performance of the basic tasks of the professional activity at the level of understanding:
2.1. STCW Convention Competence Standard/Code A-II/4 – “Minimal competence standard specifications for the seafarer that are in the existing staff navigation guard (within the staff of guard sailors)”
2.2. SCTW Convention Competence Standard A-II/5 “Minimal competence standard specifications for qualified sailors”.
3. The knowledge necessary for performance of the basic tasks of the professional activity at the level of use :
3.1. STCW Convention Competence Standard/Code A-II/4 – “Minimal competence standard specifications for the seafarer that are in the existing staff navigation guard (within the staff of guard sailors)”
3.2. SCTW Convention Competence Standard A-II/5 “Minimal competence standard specifications for qualified sailors”.

The professional competences necessary for the ship sailor are prescribed by STCW Convention Competences Standard/Code A-II/4 – “Minimal competence standard specifications for the seafarer that are in the existing staff navigation guard (within the staff of guard sailors)” and SCTW Convention Competence Standard A-II/5 “Minimal competence standard specifications for qualified sailors”.

The COMPETENCES necessary  for the ship sailor are prescribed by STCW Convention Competence Standard/Code A-II/4 – “Minimal competence standard specifications for the seafarer that are in the existing staff of navigation guard (within the staff of guard sailors)” and SCTW Convention Competence Standard A-II/5 “Minimal competence standard specifications for qualified sailors”.