MyYachtsInsurance - Yacht Insurance Community

Reviewed by Alex Short, Independent Yacht Insurance Risk Analyst

TL;DR

Pollution liability coverage under Protection and Indemnity (P&I) insurance typically applies to sunken vessels if the incident results from operational activities and is not excluded by clauses such as the "care, custody, and control" exclusion or "pollution exclusion" [YORK-ANTWERP-2016]. Coverage is triggered when a pollution incident occurs due to the vessel’s operation, including while submerged, provided the incident is reportable under [OPA-90] and does not violate the policy’s terms.

Trigger Conditions

Trigger	Policy Impact	Consequence
Pollution incident occurs during operational activity while vessel is submerged	Pollution liability clause	Coverage applies if not excluded under [YORK-ANTWERP-2016] and reportable under [OPA-90]
Incident results from breach of care, custody, or control	Care, custody, and control exclusion	Coverage excluded
Vessel involved in unauthorized refit or lay-up not reported within 10 days	Notice of change clause	Coverage void until corrected
Unauthorized hot work conducted near fuel tanks or hazardous materials	Hot work and safety clause	Coverage reduced if incident results from violation
Contractor assumes custody of sunken vessel without P&I notice	Third-party custody clause	Coverage excluded under [SALVAGE-CONV-1989] terms
Pollution incident occurs in violation of 46 CFR the corresponding regulatory requirements operational standards	Regulatory compliance clause	Coverage void [USCG-CFR46-PT26]

Underwriter's Checklist

[Survey report]: Underwriters verify the vessel's current condition, including structural integrity and pollution risk factors, to assess potential liabilities in case of a pollution incident involving a sunken vessel [OPA-90] [USCG-CFR33].
[Class certificate and status]: Underwriters confirm the vessel is classed and in good standing with a recognized classification society to ensure compliance with safety and environmental standards [ICOMIA-REFIT-STD-2021] [USCG-CFR46-PT26].
[Maintenance logs]: Underwriters review maintenance records to ensure the vessel's systems, particularly those related to pollution prevention, are regularly serviced and in compliance with regulatory requirements [OPA-90] [46-CFR-10].
[Refit/modification records]: Underwriters examine refit and modification records to ensure all changes to the vessel have been properly documented and meet current environmental and safety standards [ICOMIA-REFIT-STD-2021] [USCG-CFR46-PT26].
[Crew qualifications]: Underwriters verify that the crew holds valid Merchant Mariner Credentials and has received training in pollution response and emergency procedures [46-CFR-10] [MLC-2006].
[Navigation area endorsements]: Underwriters check that the vessel is endorsed for the specific navigation areas it operates in, to ensure compliance with regional environmental and operational regulations [USCG-CFR46-PT26] [FL-STAT-327].
[Loss history declarations]: Underwriters assess the vessel's loss history, particularly any prior pollution incidents or groundings, to evaluate the risk of future incidents involving sunken vessels [OPA-90] [JONES-ACT].
[Salvage and pollution response plan]: Underwriters confirm the vessel has a documented salvage and pollution response plan in accordance with international and national standards, including the International Convention on Salvage 1989 [SALVAGE-CONV-1989] [OPA-90].

Policy Wording Traps

Clause Type	Trap Mechanism	Scenario	Coverage Result
Pollution Liability Exclusion	Excludes pollution caused by gradual deterioration	A sunken vessel leaks oil due to corrosion over time [46-CFR-10]	Claim denied as damage is considered gradual deterioration
Care, Custody, and Control Clause	Requires active control to trigger coverage	Owner abandons vessel, which later causes pollution [USCG-CFR33]	No coverage due to lack of care, custody, or control
Contractors' Exclusion	Excludes pollution from third-party work	Salvage contractor improperly disposes of fuel during recovery [SALVAGE-CONV-1989]	Claim denied under contractors' exclusion
Latent Defect Carve-Out	Excludes pollution from pre-existing hidden defects	Vessel sinks due to undetected hull weakness, causing pollution [OPA-90]	Coverage denied as incident stems from latent defect
Wilful Misconduct Exclusion	Excludes pollution from intentional or reckless acts	Crew intentionally jettisons hazardous waste, leading to pollution [JONES-ACT]	Claim denied due to wilful misconduct exclusion
Material Change Warranty	Requires prior notice for significant vessel modifications	Owner modifies fuel system without insurer approval, leading to pollution [ICOMIA-REFIT-STD-2021]	Coverage voided due to breach of material change warranty

Operational Reality

A common operational friction point arises when a sunken vessel is discovered to contain hazardous substances, triggering liability under pollution coverage. On the ground, yards or operators often delay notifying underwriters or class societies until after salvage operations have begun, violating policy notification clauses and risking coverage denial [OPA-90]. Documentation requirements include a detailed incident report, chain of custody for recovered pollutants, and proof of compliance with environmental regulations, all of which must be submitted to the underwriter within the policy-specified notification period. Surveyors are typically engaged post-incident to assess pollution extent and determine liability, though their involvement is often delayed due to lack of immediate coordination between the owner and yard [SALVAGE-CONV-1989]. This delay can lead to incomplete data collection, complicating claims. Common mistakes include failing to secure a general average declaration under the York-Antwerp Rules 2016 [YORK-ANTWERP-2016] or not obtaining a salvage contract in line with the International Convention on Salvage 1989 [SALVAGE-CONV-1989], both of which can limit recovery options. Underwriters may also reject claims if the vessel was not maintained in accordance with applicable standards, such as those outlined in the ICOMIA Superyacht Refit Standard 2021 [ICOMIA-REFIT-STD-2021]. Timely notice and adherence to procedural requirements are essential to preserve coverage and avoid financial exposure for the owner.

Related Risks

Liability for oil discharge from a sunken vessel may trigger coverage under the Oil Pollution Act of 1990 [OPA-90], which imposes strict liability for removal costs and damages.
Salvage operations conducted under the International Convention on Salvage 1989 [SALVAGE-CONV-1989] may create concurrent liability claims, requiring coordination with general average and salvage warranties.
Pollution incidents involving unseaworthy or uninspected vessels may implicate exclusions under 46 CFR the corresponding regulatory requirements [USCG-CFR46-PT26], particularly if the vessel was not properly maintained.
Claims arising from pollution in U.S. waters may be subject to Florida’s environmental liability statutes, such as FL Stat. 327 [FL-STAT-327], which could expand the scope of liability beyond standard marine insurance terms.

Questions for Your Broker

Does the policy provide coverage for pollution incidents caused by a sunken vessel, and what are the specific coverage limits and sub-limits for such incidents under the Oil Pollution Act of 1990 [OPA-90]?
Are there any exclusions in the policy that would prevent coverage for pollution incidents involving a sunken vessel, particularly under the Jones Act [JONES-ACT] or 46 CFR the corresponding regulatory requirements [USCG-CFR46-PT26]?
What are the required notification procedures under the policy for reporting a pollution incident involving a sunken vessel, and do they align with the requirements under CFR 33 [USCG-CFR33]?
What specific documentation is required to support a claim for pollution incidents involving a sunken vessel, including compliance with the York-Antwerp Rules 2016 [YORK-ANTWERP-2016] and the International Convention on Salvage 1989 [SALVAGE-CONV-1989]?
What deductible applies to pollution incidents involving a sunken vessel, and is there a separate deductible or sub-limit for such incidents under the policy?
Does the policy require compliance with warranties related to pollution prevention, and how does non-compliance affect coverage under Florida Statute 327 [FL-STAT-327] or the Oil Pollution Act of 1990 [OPA-90]?

References

York-Antwerp Rules 2016 (General Average) (framework) — https://comitemaritime.org/wp-content/uploads/2018/06/2016-York-Antwerp-Rules-with-Rule-XVII-correction.pdf
Oil Pollution Act of 1990 (legal) — https://www.govinfo.gov/content/pkg/COMPS-2991/pdf/COMPS-2991.pdf
International Convention on Salvage 1989 (legal) — https://www.dco.uscg.mil/Portals/9/CG-5R/nsarc/Convention%20-%20Salvage%20(1989).pdf
46 CFR the corresponding regulatory requirements: Operations (Uninspected Vessels) (legal) — https://www.ecfr.gov/current/title-46/chapter-I/subchapter-C/part-26
CFR 33 (legal) — https://www.ecfr.gov/current/title-33
ICOMIA Superyacht Refit Standard 2021 (other) — https://www.icomia.org/icomia-superyacht-refit-group-2025/
Maritime Labour Convention, 2006 (framework) — https://www.ilo.org/international-labour-standards/maritime-labour-convention-2006
FL Stat. 327 (legal) — http://www.leg.state.fl.us/statutes/
Jones Act (legal) — https://www.law.cornell.edu/uscode/text/46/subtitle-V/part-A

Disclosure

This content is provided for informational purposes only and does not constitute insurance advice. Coverage terms vary by policy, jurisdiction, and underwriter. Consult a licensed marine insurance broker for guidance specific to your vessel and operations.

Liability Coverage for Pollution Incidents Involving Sunken Vessels