MyYachtsInsurance - Yacht Insurance Community

Reviewed by Alex Short, Independent Yacht Insurance Risk Analyst

TL;DR

Theft of personal effects from a moored vessel without alarms is typically excluded under hull and yacht policies unless specifically endorsed. Coverage is voided by the "care, custody, and control" clause, which limits liability for losses under the insured’s direct responsibility [IYIC-1985]. A security alarm installation may be a trigger condition for coverage under certain deductible provisions [IYIC-CLAUSE-10]. P&I coverage may apply if the theft occurs during a general average event [YORK-ANTWERP-2016].

Trigger Conditions

Trigger	Policy Impact	Consequence
Security alarm not installed	"Care, custody, and control" clause [IYIC-1985]	Coverage excluded for stolen personal effects
Vessel left unattended for >72 hours	"Care, custody, and control" clause [IYIC-1985]	Loss considered under insured’s responsibility
Theft occurs during general average event	York-Antwerp Rules 2016 [YORK-ANTWERP-2016]	P&I coverage may apply
Refit/lay-up not notified within 14 days	Institute Yacht Clauses the relevant policy clause [IYIC-CLAUSE-10]	Deductible provisions may not apply
Contractor assumes custody of vessel	"Care, custody, and control" clause [IYIC-1985]	Insurer not liable for theft during custody transfer

Underwriter's Checklist

Survey report: Underwriters verify the vessel's physical condition and security measures to assess risk exposure, including the absence of alarm systems [IYIC-1985] [MIA-1906].
Class certificate: Confirm the vessel is classed with a recognized classification society and that the class remains valid, indicating compliance with safety and construction standards [IHC-2003] [IYIC-1985].
Maintenance log: Review for evidence of regular maintenance and any prior issues with security or access control that may increase theft risk [IYIC-CLAUSE-10] [MIA-GUIDELINES].
Refit/modification records: Ensure that any modifications to the vessel, particularly those affecting security or access points, were completed in compliance with applicable standards [IHC-2003] [IYIC-1985].
Crew qualification records: Verify that crew members are trained in security procedures and understand the risks associated with unsecured personal effects [MIA-1906] [IYIC-1985].
Navigation area endorsement: Confirm the vessel operates within a defined geographic zone to assess the likelihood of theft based on regional crime statistics [IYIC-1985] [IHC-2003].
Loss history declaration: Review prior claims for theft or security breaches to evaluate the vessel's exposure and the insured's risk management practices [IYIC-CLAUSE-10] [MIA-GUIDELINES].
Security assessment report: Assess whether alternative security measures (e.g., locks, surveillance) are in place to mitigate the risk of theft in the absence of an alarm system [IYIC-1985] [MIA-1906].

Policy Wording Traps

Clause Type	Trap Mechanism	Scenario	Coverage Result
Theft Exclusion	Theft not covered unless specifically included	Personal effects stolen from a vessel while moored without an alarm system	Claim denied due to absence of theft coverage [IYIC-1985]
Care, Custody, and Control	Insured must maintain control of the vessel	Vessel left unattended at a marina; personal effects stolen	Claim denied due to failure to maintain control [MIA-1906]
Material Change Warranty	Unauthorized modifications void coverage	Owner installs a new lock system without insurer approval; theft occurs	Claim denied due to material change [IHC-2003]
Latent Defect Carve-Out	Excludes losses from pre-existing vulnerabilities	Vessel had a known but unaddressed door vulnerability; items stolen	Claim denied due to latent defect [IYIC-CLAUSE-10]
Faulty Workmanship Exclusion	Excludes losses from poor craftsmanship	Poorly installed cabin door allows theft; no alarm system	Claim denied due to faulty workmanship [ITC-H-1983]
Gradual Deterioration	Excludes losses from slow degradation	Vessel's security system degraded over time; theft occurs	Claim denied due to gradual deterioration [MIA-GUIDELINES]

Operational Reality

Yards and vessel operators frequently fail to secure personal effects on moored vessels, particularly during unattended periods, increasing the risk of theft [IYIC-1985]. This operational friction point often results in claims being denied due to lack of preventive measures, such as alarms or secure storage, which are not mandated under standard hull policies [IYIC-CLAUSE-10]. Documentation requirements include a police report and inventory of stolen items, which must be submitted promptly to the underwriter. Failure to document the loss immediately can lead to disputes over the value and presence of the items at the time of the incident. Surveyors are typically involved post-theft to assess the security of the vessel and determine whether the loss was preventable under the policy terms [IHC-2003]. Their findings may influence the underwriter’s decision to accept or reject the claim. Timing is critical, as notice of the loss must be given within the policy notification period, which is not explicitly defined in the available references but is generally expected to be immediate. Common mistakes include delayed reporting, incomplete documentation, and failure to secure the vessel, all of which can result in claim denial or reduced payout. Underwriters may also require a deductible to be met before coverage applies [IYIC-CLAUSE-10]. Class societies are not typically involved in such claims unless the vessel’s classification is affected by the loss or security deficiencies.

Related Risks

Unauthorized access to mooring facilities → May trigger exclusions under [IYIC-1985] for losses due to unsecured premises or lack of security measures
Failure to maintain a log of vessel security measures → Could invoke deductible provisions under [IYIC-CLAUSE-10] if theft is deemed preventable through reasonable precautions
Lack of onboard alarm systems → May result in denial of coverage under [IHC-2003] for losses arising from failure to employ standard safety equipment
Theft during unattended periods → Could invoke subrogation rights under [MIA-1906] if the insured is found to have contributed to the loss through negligence

Questions for Your Broker

Does the policy provide coverage for stolen personal effects on a moored vessel when no alarm system is installed, and if so, what are the applicable coverage limits and sub-limits [IYIC-1985] [IYIC-CLAUSE-10]?
Are there specific exclusions in the policy that would void coverage for theft of personal effects from a vessel without an operational alarm system [IHC-2003] [IYIC-1985]?
What are the required notification procedures and timeframes for reporting the theft of personal effects to the insurer [MIA-1906] [ICA-2015]?
What specific documentation is required to substantiate a claim for stolen personal effects, particularly in the absence of an alarm system activation [IYIC-1985] [MIA-GUIDELINES]?
Does the policy deductible apply to claims for stolen personal effects, and under what conditions is it triggered [IYIC-CLAUSE-10] [ITC-H-1983]?
Does the policy require the vessel to comply with any specific warranties regarding security measures, and would the absence of an alarm system breach such warranties [IYIC-1985] [MIA-1906]?

References

Institute Yacht Clauses (1.11.85) (framework) — https://www.fortunes-de-mer.com/documents%20pdf/polices%20corps/Etrangeres/Royaume%20Uni/Institute%20Yacht%20Clauses%201.11.85.pdf
Institute Yacht Clauses (1.11.85) the relevant policy clause (Deductible) (framework) — https://www.fortunes-de-mer.com/documents%20pdf/polices%20corps/Etrangeres/Royaume%20Uni/Institute%20Yacht%20Clauses%201.11.85.pdf#clause10
York-Antwerp Rules 2016 (General Average) (framework) — https://comitemaritime.org/wp-content/uploads/2018/06/2016-York-Antwerp-Rules-with-Rule-XVII-correction.pdf
Marine Insurance Act 1906 (UK) (legal) — https://www.legislation.gov.uk/ukpga/1906/41/pdfs/ukpga_19060041_en.pdf
International Hull Clauses (01.11.03) (framework) — http://www.fortunes-de-mer.com/documents%20pdf/polices%20corps/Etrangeres/Royaume%20Uni/International%20Hull%20Clauses%202003.pdf
MIA Guidelines (other) — https://www.marineinsurance.org/
Institute Time Clauses Hulls (1.10.83) (framework) — https://www.fortunes-de-mer.com/documents%20pdf/polices%20corps/Etrangeres/Royaume%20Uni/Institute%20Time%20Clauses%20Hulls%201.10.83.pdf
Insurance Act 2015 (UK) (legal) — https://www.legislation.gov.uk/ukpga/2015/4/pdfs/ukpga_20150004_en.pdf

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.

Insurance Coverage for Stolen Personal Effects on Moored Vessels Without Alarms