Marine Order 504 (MO 504) Guides & Updates

AMSA now requires a drug and alcohol policy in every commercial vessel SMS. What it must cover, plus the NSW blood alcohol limits that apply on the water.

What your MO 504 emergency plan must cover — assembly stations, crew roles, passenger emergency info — and the drills you must run and record.

The documented procedures and policies your SMS needs under Marine Order 504 (MO 504) — pre-start checks, mooring, lifejackets, passenger safety, refuelling, passage plans and a drug & alcohol policy.

Who must report a marine incident to AMSA, what counts as reportable, the timeframes, and which forms to lodge — a plain-English guide for commercial vessel operators.

When does your vessel need a passenger manifest under Marine Order 504? The 12-hour threshold, required content, how manifests differ from passenger counts, and where records must be kept.

How to work out the right crew for your vessel under Marine Order 504 — what your risk assessment must cover, the factors you must weigh, and the 10-hour rest rule.

Marine Order 504 (MO504) explained in plain English — what it is, who it applies to, what your SMS must include, and what changed on 1 June 2025.

Since 1 June 2025, Marine Order 504 requires Class 1, 2 and 3 vessel owners to include a fatigue risk management plan in their SMS. What AMSA requires and how to comply.

AMSA has launched myAMSA, letting seafarers apply for and track a near coastal certificate of competency online — anytime, without a trip to the post office.
Download and customise for your vessel — no sign-up required.

Download a free, MO 504-compliant passenger manifest template for Australian commercial vessels — the required fields, the 12-hour rule, ready to print and use.

Download a free fatigue management template for Australian commercial vessels — identify and manage master and crew fatigue in your Marine Order 504 (MO 504) SMS.

Download a free risk assessment template for Australian commercial vessels — hazard register, risk matrix and the operational items Marine Order 504 (MO 504) requires.