What you need to perform it
Primary qualification
- Certificate of proficiency in ADVANCED training by ship type: A-V/1-1-2 (oil), A-V/1-1-3 (chemical) or A-V/1-2-2 (liquefied gas tankers).
- Base: STCW II/1 or III/1 officer certificate plus the corresponding basic tanker training (V/1-1.1 or V/1-2.1).
- Spain: DGMM specialty certificates for oil, chemical or gas tankers, advanced level (Order FOM/2296/2002 — indicative, verify the order in force).
Basic STCW
- A-VI/1 Basic Training in Maritime Safety
- A-VI/3 Advanced firefighting (second position)
Specific courses
- ISGOTT ship/shore safety checklist and work permits
- Crude oil washing (COW) and inerting on oil tankers
- Gauging, cargo calculation and VEF; sampling and compatibilities on chemical tankers
- Cargo-handling simulator where the administration accepts it toward sea service
Indicative experience
Regulation V/1-1 and V/1-2: for the advanced level, at least 3 months' approved seagoing service on the ship type, or at least 1 month of approved onboard supernumerary training including a minimum of 3 loading and 3 discharge operations (recorded in a training book).
Observations
The advanced certificate covers immediate cargo responsibility; the basic one only assigned duties. Five-yearly revalidation by sea service or course. Route: rating/officer with basic → recorded cargo voyages → ship-type advanced → cargo officer / future tanker chief mate.
What this role does
Officer with immediate responsibility for cargo operations on oil, chemical or gas tankers: plans the sequence against the stowage plan, monitors pressures, atmospheres and vapour return, applies the ship/shore safety checklist and supervises washing, inerting and transfers. This is the Convention's 'advanced' tanker training level.
Typical watches
- Guards and loading/unloading operations according to the terminal plan
Key responsibilities
- Plan and execute loading/unloading operations on oil, chemical and gas tankers.
- Supervise tank cleaning, cargo care during travel and operational safety.
- Apply emergency procedures by type of dangerous cargo.
Operational scope
- Liquid cargo and liquefied gas terminals
- Dangerous cargo
- High risk operations
Profile reviewed by HydroAbyss (2026). Cited rules and timeframes are indicative: the final requirement is set by the flag State, the Administration and each company.