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IMO / STCW · Merchant Vessel · Deck / Cargo

Tanker Cargo Operations Officer

Also known as: Oil/Chemical/Gas Tanker Officer · Officer with specific cargo duties

Officer with specific STCW certification for tanker cargo operations.

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

DepartmentDeck / Cargo
GroupDeck Officers
Role typeSpecialized Officer
Reports toFirst Officer / Captain
SupervisesRatings with cargo duties

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.