Addendum to S.C.A. Circular 3/99 regarding STS operations
The Company should include key personnel that have over 5 years of extensive experience in STS operations, which are conducted on anchor or underway.
STS superintendents (mooring masters) should be master mariners with “All tonnage foreign-going” license that is IMO recognized.
STS superintendents (mooring masters) who conduct the operation should have over 5 years of extensive experience in on anchor or underway SYS operations with similar size and tonnage of such vessels.
Company has to comply with the following:
Mooring equipment guideline (OCIMF) 
International safety guide for oil tankers and terminals (ISGOTT/ISC/OCIMF/IAPH) 
International regulations for preventing collisions at sea (IMO) 
Standard marine communication phrases (IMO) 
Recommendations for oil tanker manifolds & associated equipment (OCIMF) 
International convention on standards of training certification and watch-keeping (1995)
and STCW code IMO. 
Guidelines for handling storage, inspection and testing of hoses in the field (OCIMF)