

Fair Share: Understanding the Marine Industry’s ‘General Average' Principle
March 24, 2025
By Edward King
Senior Underwriter, Marine Cargo
It's a common situation. You're dining with friends, and when the meal ends, the bill comes. Either someone picks up the tab for everyone, your groups agrees to split the cost equally, or contributions are made according to what each person ordered. The latter scenario -- this idea of 'pitching in' based on the meal that you ordered -- is rooted in the principle of 'General Average,' a longtime maritime principle emphasizing fairness and equity.
General Average is a legal principle under which all stakeholders in a maritime venture proportionally share the financial burden of sacrifices or expenses made for the mutual benefit of the ship and cargo. This concept dates back to ancient maritime practices, where it was essential to ensure fairness and equity among shipowners and cargo owners in the event of a loss at sea. If a ship encountered peril, such as a storm or enemy attack, and cargo had to be sacrificed to save the vessel, the principle of 'General Average' would apply. This meant that all parties involved would share the losses proportionally, ensuring that no single entity bore the entire burden.
The York-Antwerp Rules: Crafting a Standard for the Seas
Over time, this principle was formalized and codified in the York-Antwerp Rules, which provide a standardized global framework for determining how costs and losses are shared among stakeholders in maritime ventures. First established at an international conference in York, England in 1864, the regularly updates the rules. The most recent version was approved in 2016.
The York-Antwerp Rules encompass several key features that enhance the management of General Average claims in maritime operations. They establish a standardized approach for adjusting such claims, which helps to minimize disputes and ensure fair cost distribution among involved parties.
The rules clearly define allowable sacrifices and expenses, such as jettisoning cargo, damages from firefighting, and salvage costs, while also outlining how losses and expenses are apportioned among shipowners, cargo owners, and insurers based on the value of their interests. Widely integrated into contracts of carriage, marine insurance policies, and charter agreements, the rules promote uniformity in international shipping practices. Additionally, they have been periodically revised, with updates in 1974, 1994, and 2016, to address emerging challenges and modernize the framework for General Average adjustments.
The 2016 York-Antwerp Rules introduced important modifications aimed at enhancing clarity and efficiency in General Average calculations, including stricter requirements for salvage expenses, clearer guidelines for ship repairs and port of refuge costs to prevent unnecessary claims, and simplified documentation procedures for General Average declarations and settlements.
Ensuring Fair Play
These rules establish guidelines for what constitutes a general average sacrifice, how to assess the value of the lost or saved property, and how to equitably distribute the financial consequences among the affected parties. This historical practice highlights the importance of collective responsibility and fairness, which resonates in everyday situations like sharing a dinner bill. While the York-Antwerp Rules are not legally binding, they are commonly incorporated into bills of lading.
Under the principle of General Average, there are three essential criteria that must be satisfied for a claim to be valid. First, the sacrifice or expense incurred must be extraordinary; this means that routine operational costs or minor damages do not qualify for consideration under this principle. Ordinary expenses that arise during the normal course of a voyage, such as fuel costs or minor repairs, do not meet the threshold of extraordinary circumstances necessary for a General Average claim.
Second, the actions taken must be intentional and aimed at ensuring the common safety of the ship and its cargo. This means that the ship's master or crew must deliberately engage in activities that are designed to prevent a greater loss, such as jettisoning cargo to lighten the ship in the face of an impending disaster. These intentional actions are crucial, as they demonstrate a commitment to preserving the overall safety of all parties involved.
Lastly, the effort made must be successful; the sacrifice must meaningfully contribute to the preservation of the remaining property on board. This success is pivotal in justifying the sharing of losses among the stakeholders, as it underscores the effectiveness of the actions taken. If the efforts do not lead to the preservation of the vessel or cargo, the rationale for invoking General Average becomes questionable. Together, these three criteria ensure that the principle operates fairly and equitably, safeguarding the interests of all parties involved in maritime ventures.
The rules clearly define allowable sacrifices and expenses, such as jettisoning cargo, damages from firefighting, and salvage costs, while also outlining how losses and expenses are apportioned among shipowners, cargo owners, and insurers based on the value of their interests.
Illustrating General Average
General Average may be invoked when there is a voluntary sacrifice of part of a ship or its cargo to save the whole from a peril, and it applies in situations where the interests of all parties (shipowner and cargo owners) are at stake.
Here are some scenarios when General Average might be called into play:
- Jettisoning Cargo: If a ship encounters a severe storm and must throw cargo overboard to stay afloat, the loss is shared among all cargo owners, not just the owner of the sacrificed goods.
- Hull Damage to Prevent Greater Loss: If a ship is intentionally run aground to prevent sinking, the cost of repairing the hull damage falls under General Average.
- Firefighting Costs: If emergency actions, such as using firefighting equipment, result in cargo damage, those costs may be subject to General Average contributions.
- Tugboat Assistance and Salvage Operations: Hiring a tugboat for an emergency rescue or salvage efforts also qualifies under this principle.
How it works
Marine insurance policies often include provisions for General Average contributions, protecting cargo owners and shipowners financially in emergencies, as insurers typically reimburse the insured parties for their share of the costs.
When a General Average is declared, a loss adjuster calculates each party’s proportional contribution based on the total value of the ship and cargo after a General Average event. A lien is placed on the cargo for the owner's pro rata share of the loss. Each owner is then required to post a General Average bond, often facilitated by their Ocean Cargo policy. The bond will also allow for the release their cargo, ensuring they meet their cost-sharing obligations.
Marine insurers commonly cover General Average contributions for their policyholders, alleviating financial pressure on shipowners and cargo owners. Most marine insurance policies follow the York-Antwerp Rules, which standardize the handling of General Average claims worldwide.
Final thoughts
By ensuring fair distribution of losses incurred for common safety, General Average maintains balance in maritime trade, encourages risk management among stakeholders, promotes financial stability by spreading the burden, and supports trust in global shipping operations. So, next time you're dining out with friends, suggest declaring a “General Average” when splitting the bill!
To contact the author of this story, please complete the below form
More Articles
- By Risk
- By Region
Related Resources


The maritime shipping industry: Transitioning to the future

Navigating North America's Marine 色多多视频 Market in 2024
Global Asset Protection Services, LLC, and its affiliates (鈥溕喽嗍悠礡isk Consulting鈥) provides risk assessment reports and other loss prevention services, as requested. In this respect, our property loss prevention publications, services, and surveys do not address life safety or third party liability issues. This document shall not be construed as indicating the existence or availability under any policy of coverage for any particular type of loss or damage. The provision of any service does not imply that every possible hazard has been identified at a facility or that no other hazards exist. 色多多视频Risk Consulting does not assume, and shall have no liability for the control, correction, continuation or modification of any existing conditions or operations. We specifically disclaim any warranty or representation that compliance with any advice or recommendation in any document or other communication will make a facility or operation safe or healthful, or put it in compliance with any standard, code, law, rule or regulation. Save where expressly agreed in writing, 色多多视频Risk Consulting and its related and affiliated companies disclaim all liability for loss or damage suffered by any party arising out of or in connection with our services, including indirect or consequential loss or damage, howsoever arising. Any party who chooses to rely in any way on the contents of this document does so at their own risk.
US- and Canada-Issued 色多多视频 Policies
In the US, the 色多多视频insurance companies are: Catlin 色多多视频 Company, Inc., Greenwich 色多多视频 Company, Indian Harbor 色多多视频 Company, XL 色多多视频 America, Inc., XL Specialty 色多多视频 Company and T.H.E. 色多多视频 Company. In Canada, coverages are underwritten by XL Specialty 色多多视频 Company - Canadian Branch and AXA 色多多视频 Company - Canadian branch. Coverages may also be underwritten by Lloyd’s Syndicate #2003. Coverages underwritten by Lloyd’s Syndicate #2003 are placed on behalf of the member of Syndicate #2003 by Catlin Canada Inc. Lloyd’s ratings are independent of AXA XL.
US domiciled insurance policies can be written by the following 色多多视频surplus lines insurers: XL Catlin 色多多视频 Company UK Limited, Syndicates managed by Catlin Underwriting Agencies Limited and Indian Harbor 色多多视频 Company. Enquires from US residents should be directed to a local insurance agent or broker permitted to write business in the relevant state.
色多多视频 as a controller, uses cookies to provide its services, improve user experience, measure audience engagement, and interact with users鈥 social network accounts among others. Some of these cookies are optional and we won't set optional cookies unless you enable them by clicking the "ACCEPT ALL" button. You can disable these cookies at any time via the "How to manage your cookie settings" section in our cookie policy.