3rd Officer’s Familiarization Guide

Navigation • Safety • Watchkeeping • Port Duties

A practical onboard reference designed to help newly assigned Third Officers become familiar with their responsibilities, bridge routines, safety duties, watchkeeping practices, and port operations.

This guide provides a structured overview of important areas a Third Officer should understand when joining a vessel, including:

• Bridge equipment and familiarization
• Navigational watchkeeping and watch handover
• Position fixing and navigation cross-checks
• COLREG essentials and collision-avoidance awareness
• Passage planning and navigation publications
• LSA and fire-fighting equipment
• Emergency duties and preparedness
• SMS / ISM responsibilities
• PMS and record-keeping
• Arrival and departure duties
• Port watch responsibilities
• Final familiarization checklist

The guide emphasizes practical habits such as maintaining situational awareness, using independent cross-checks, reporting defects promptly, keeping accurate records, and knowing when to seek assistance from the Master or responsible officer.

Who Is This Guide For?

This guide is suitable for:

• Newly assigned Third Officers
• Deck officers preparing to join a vessel
• Officers refreshing their onboard familiarization
• Maritime professionals who want a practical reference for bridge, safety, and port-watch duties

Important

This is a general familiarization reference. It does not replace the vessel’s SMS, Master’s standing orders, approved checklists, company procedures, manufacturer’s manuals, training requirements, or applicable laws and regulations. Vessel-specific instructions always take priority.

A practical reference to help a Third Officer step onboard with better preparation, awareness, and confidence.