Duties of 3rd Officer in Merchant Navy

Duties of 3rd Officer in Merchant Navy - Merchant Navy Info - News

3rd Officer or 3rd Mate is an optimistic rank within the vendor naval force for numerous deck cadets. Who wish to connect the merchant navy. It marks the primary step for cadets to step into the shoes of officer duties after preparing. And cruising as an officer. The obligations of the Third Officer within the Dealer Naval force can shift by agreeing to companies. And types of ships. To get superior to what the Third Officer does within the Shipper Naval force. Let’s look at the ship’s positioning framework.

The best boss is the ace, or captain, who is dependable for everything and is, to begin with. In command of the vessel. Moment in command is the Chief Officer or, To begin with. Officer, who looks after the ship’s upkeep, environment, and security compliance. At that point comes the moment officer or moment mate, who is mindful of entry arranging. Route, keeping up the therapeutic locker, and the rectification and support of charts and distributions. The obligations of the 3rd officer can be isolated into four fundamental categories but are not constrained to:

1. Navigational Watchkeeping Obligations

2. Upkeep of Security Gear

3 .Cargo/Port Watchkeeping Obligations

4. Regulatory Obligations

Navigational Watchkeeping Obligations:

The 3rd Officer or 3rd Mate is dependable for carrying out autonomous navigational observations. On the bridge to guarantee the safe navigation of the vessel, for the most part. From 0800–1200 and 2000–2400 hours, or as coordinated by the ship’s ace. The 3rd Officer is dependable for helping the 2nd Officer in redressing. And keeping up naval charts and distributions, along with any other obligations allotted by the 2nd Officer. This may incorporate errands such as helping in section arranging, separate and twelve calculations, or any other announcements during his observation.

Help in keeping up navigational and meteorological hardware on board, keeping it up-to-date and in operational condition. Capable of keeping up all national/signal banners (as per Worldwide Codes of Flag), navigational shapes, and sound flagging gear and guaranteeing all required banners are accessible sometime recently coming to the harbour and shown accurately. Helped carry out pre-arrival and pre-departure tests as per company method and reported all lacks found to the moment officer and ace.

  1. Helped with recordkeeping of the ship’s deck logbook, navigational checklists, official logbook, and all occasions that happened during the observation.
  2. Help the ace in sending trouble, criticalness, and security alarms via the Worldwide Oceanic Trouble and Security Framework (GMDSS).
  3. Help in preparing deck cadets or other trainees on board.
  4. Help in planning the bridge for any navigational and third-party reviews.
  5. Help in Harbour State Control (PSC) and Verifying Assessments.
  6. Help in any other navigational obligations as directed by the ship’s ace.

Upkeep of Security Hardware:

The 3rd officer, under the supervision of the Chief Officer (Security Officer), is dependable for reviewing and keeping up with the life-saving apparatuses (LSA) and firefighting gear (FFE) on board. Capable of keeping up the life-saving apparatuses (LSA) and firefighting hardware (FFE) support records.Must inform the Chief Officer (Security Officer) or Ace in case any shore assessment, such as yearly or 5-yearly shore administrations related to life-saving apparatuses (LSA) and firefighting hardware (FFE), is coming due.

Cargo/Port Watchkeeping Obligations:

Amid entry or takeoff within the harbour, on the off chance that the third officer is on bridge obligation, he helps the ace and the bridge group in moving. Something else, when not on bridge obligation, is that the third officer is in charge of the rearward mooring station amid the vessel’s berthing and unberthing, with the forward mooring station of the dispatch driven by the chief officer. Hence, at any given time, either the moment officer or the third officer will be on the bridge, and one of them will be at the toward the back mooring station. In the harbour, the third officer keeps watchkeeping from 0600–1200 and 1800–2400 hours, or as coordinated by the Chief Officer or the ship’s ace.

The third officer is capable of keeping up a secure cargo/port observation and guaranteeing compliance with all worldwide and nearby directions. Amid the observation, the 3rd officer supervises all cargo operations, counting ballasting or deballasting, guaranteeing the transport remains upright, checking push levels inside limits, and enough recording occasions. The third officer is additionally capable of maintaining security measures at the ISPS security level during his observation. Their obligations include avoiding contamination, detailing occurrences, supporting environmental policies, guaranteeing administrative compliance, and cultivating natural mindfulness inside the association.

Regulatory Obligations:

Authoritative obligations include helping the ace amid team sign-on and sign-off, guaranteeing all customs are completed, and checking team documents/certificates amid joining. This incorporates confirming the legitimacy and accessibility of all team records, such as identifications, CDCs, licenses, STCW certificates, restorative records, contract papers, company courses, etc. Also, the third officer helps the ace in article marking, stamping CDC, organizing travel permits, keeping up team documentation, counting upgrading transport certificates and filtering the same. Planning the bore lattice and planning drills as per the network beneath the supervision of the chief Officer or ace, guaranteeing all drills are conducted inside the given interims. Furthermore, guarantees that all the company-specific preparations, such as CBTS, versatility, or intelligent learning, are conducted on time.

The third officer is mindful of keeping records of the drills and upgrading the bore records within the pertinent deck or official logbook. After the penetration is completed, guarantee that all safety hardware utilized within the bore, such as SCBA sets, firefighter outfits, hoses, etc., is put back in place and prepared to be utilized in case of a crisis. Planning harbour papers prior to arriving at the harbour, counting crisis contact sheets and upgrading team records, stowage plans, MSDS in common places, and fire plans as assigned by the company or ship’s ace.


I trust you’ve got caught up in the obligations of the third officer within the dealer naval force. We have secured the Third Officer’s obligations in detail, but it’s challenging to incorporate everything in one article. In the event that we have missed anything, comment and let us know. Whereas we have secured most angles of this article, there are extra obligations which will emerge. For illustration, depending on the circumstance, sometimes the Third Officer may help the Chief Officer in tank cleaning operations, securing operations, accepting stores and saves in ports, or taking care of extra obligations in dry dock.

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