Blog · Biofouling Compliance
Biofouling Record Books 2026: Aligning with ABFMR v4 and IMO Guidelines
The 2026 Biofouling Landscape for Australian Arrivals
For ship operators, superintendents, and masters preparing to call at the Port of Brisbane in 2026, biofouling management remains a critical compliance hurdle. Administered by the Department of Agriculture, Fisheries and Forestry (DAFF) under the Biosecurity Act 2015, Australia's biofouling rules have been strictly enforced since their introduction on 15 June 2022. It is vital to remember that DAFF, not the Australian Maritime Safety Authority (AMSA), governs biofouling biosecurity risks. Operators must submit this information through the Maritime Arrivals Reporting System (MARS) pre-arrival report. To ensure a smooth port call, your Biofouling Management Plan and Record Book must bridge the gap between international guidelines and DAFF's rigorous domestic standards.
Navigating MEPC.378(80) and ABFMR Version 4
The international standard for managing hull fouling was updated with the adoption of the 2023 IMO Biofouling Guidelines, known as resolution MEPC.378(80). As highlighted in recent Lloyd's Register class news, these guidelines provide a globally consistent approach to minimizing the transfer of invasive aquatic species. You can find the formal adoption records within the IMO MEPC resolutions registry.
However, while the IMO guidelines remain voluntary at an international level, Australia enforces its own binding minimums. The Australian Biofouling Management Requirements for Commercial Vessels (ABFMR-CV) Version 4 took effect on 30 April 2026. A common pitfall for operators is assuming that a standard IMO-aligned plan automatically satisfies DAFF. Your vessel-specific documentation must explicitly address the ABFMR Version 4 criteria to avoid targeted interventions upon arrival.
The Three Accepted Proactive Practices
When submitting the MARS pre-arrival report, commercial vessels must demonstrate reliance on one of exactly three accepted proactive biofouling management practices. First, operating under a Biofouling Management Plan and Record Book consistent with ABFMR Appendix A. Second, cleaning all biofouling from the hull and niche areas within 30 days before arrival. Third, implementing an alternative management practice pre-approved by DAFF, which requires an application at least 30 days before arrival.
It is critical to note that having a compliant antifouling system or coating alone is not recognized as one of these accepted proactive practices. The coating must be part of a broader, actively managed plan. Your Biofouling Record Book must be kept up to date with photographic evidence, diver inspection reports, and detailed logs of all cleaning activities. For operators needing assistance in drafting this paperwork, Berthfile offers a biofouling copilot designed to streamline MARS reporting and align your logs with DAFF expectations.
In-Water Cleaning and Decarbonization Benefits
If your vessel requires in-water hull cleaning to meet the 30-day requirement, careful planning is essential. In Queensland waters, including anchorages outside the Port of Brisbane, operators must secure separate state approval from Biosecurity Queensland and the Department of Environment, Tourism, Science and Innovation (DETSI) in addition to fulfilling DAFF's federal capture requirements. Appendix B of the ABFMR Version 4 sets out the minimum required content for an in-water cleaning report, which must be presented to biosecurity officers upon request.
Maintaining a clean hull does more than satisfy biosecurity regulations. It significantly reduces hydrodynamic drag, which directly impacts fuel efficiency. Effective biofouling management is a cornerstone of meeting the carbon intensity targets outlined in the IMO's EEXI and CII frameworks. A proactive cleaning schedule thus protects both marine ecosystems and your commercial bottom line.
AMSA Port State Control Readiness
While DAFF handles the biosecurity risks of hull fouling, AMSA is responsible for inspecting your Anti-Fouling Systems (AFS) certification and overall vessel safety. AMSA's 2024 Annual Inspections Report, published in May 2025, recorded 2,264 initial PSC inspections resulting in 133 detentions, yielding a 5.9 percent detention rate. The report also highlighted 5,960 total deficiencies, averaging 2.63 per inspection. Safety management (ISM) failures accounted for the largest detainable deficiency category at 27.57 percent.
To prepare effectively, operators must ensure that their safety management systems are functioning flawlessly and that all environmental certificates are immediately available for review. Leveraging decision-support tools like the free PSC risk check from Berthfile can help masters and agents identify potential vulnerabilities before the AMSA inspector boards the vessel.
Final Preparations for Brisbane
Successfully navigating a Port of Brisbane arrival in 2026 requires a clear understanding of the dividing line between voluntary IMO guidelines and mandatory Australian regulations. By aligning your Biofouling Management Plan with ABFMR Version 4, selecting one of the three accepted proactive practices, and keeping meticulous records, you can ensure a seamless MARS reporting process. Start your preparations early, coordinate closely with your local agent, and prioritize comprehensive documentation to avoid costly delays.