USL&H Coverage – Federal Maritime Workers' Compensation
Written by Justin Goodman, CIC, CRIS, CCIP, CEO and Co-Founder, Total CSR
Published: October 8, 2026 · Last reviewed: October 8, 2026
In plain language: USL&H Coverage protects maritime workers, like dockworkers and shipbuilders, who get hurt on the job near oceans, rivers, or harbors. It pays medical bills and lost wages under a federal law instead of the regular state workers' comp system, because these jobs fall under federal maritime jurisdiction.
Technical definition: USL&H Coverage is insurance satisfying the Longshore and Harbor Workers' Compensation Act (33 U.S.C. § 901 et seq.), providing federal benefits to employees injured on navigable waters or adjoining areas used for loading, unloading, repairing, or building vessels. It is added by endorsement to a standard workers' compensation and employers liability policy.
USL&H Coverage at a Glance
The table below summarizes the key attributes of USL&H Coverage for quick agency reference.
| Attribute | Detail |
|---|---|
| Also known as | Longshore Coverage, LHWCA Coverage |
| Category | Workers' compensation endorsement |
| Lines of business | Workers' Compensation, Marine |
| Industries most affected | Stevedoring, shipbuilding and repair, marine terminals, harbor construction |
| Related forms or endorsements | Longshore Coverage Endorsement (WC 00 01 06 A), Voluntary Compensation Endorsement |
| Who bears the risk | Employers of maritime workers under federal maritime jurisdiction |
| Common solution | Add Longshore Coverage Endorsement to the WC/EL policy |
| Also interacts with | Jones Act coverage, maritime employers liability, state workers' compensation |
Key Takeaways
- USL&H Coverage is a federal workers' compensation system that applies to maritime workers injured on or near navigable waters, replacing or supplementing state benefits.
- Agencies must identify maritime exposure correctly, because writing a standard state-only workers' comp policy for a dockworker or shipbuilder can leave a serious coverage gap.
- The most common pitfall is assuming state workers' comp automatically covers maritime employees, when federal law often requires a separate Longshore endorsement.
- A quick win is asking every commercial construction or industrial client whether any work happens on piers, docks, or vessels, since that single question surfaces hidden maritime exposure.
What Is USL&H Coverage in Insurance?
USL&H Coverage is the insurance mechanism agencies use to satisfy the Longshore and Harbor Workers' Compensation Act, a federal law passed in 1927 to fill a gap left by admiralty law. Before the Act, injured maritime workers often had no clear path to compensation because state workers' comp systems did not reach navigable waters, and general maritime law offered inconsistent remedies. Congress created a federal no-fault benefit system specifically for these workers, and USL&H Coverage is how employers fund that obligation.
The law exists because maritime work carries distinct hazards: falls from ships, crushing injuries from cargo handling, and accidents during vessel repair. Carriers and regulators treat this as a higher-severity exposure than typical state-class workers' comp. A worked example: a longshoreman loading cargo onto a container ship at a port terminal slips on a wet deck and fractures his hip. Because the injury happened on a vessel in navigable waters during maritime employment, the claim falls under the LHWCA, not the state workers' comp act, even though the worker's paycheck and employer are based entirely onshore.
USL&H benefits are often richer than state benefits, including higher wage-replacement percentages and different permanent disability calculations. This means a policy without the Longshore endorsement does not just reduce coverage. It can leave the employer personally exposed to a federal benefits claim with no insurance response at all.
How Does USL&H Coverage Work?
- The exposure identification. An employer hires workers who load, unload, repair, or build vessels, or who work on piers, wharves, or terminals adjoining navigable water.
- The endorsement placement. The agent adds the Longshore Coverage Endorsement to the workers' compensation and employers liability policy, specifying the applicable federal act.
- The injury. A covered worker is hurt during maritime employment, such as a crane operator struck by shifting cargo on a barge.
- The claim filing. The employer reports the injury, and the claim is adjudicated under LHWCA procedures through the U.S. Department of Labor rather than the state workers' comp board.
- The benefit payment. The insurer pays medical costs and wage-replacement benefits according to federal LHWCA schedules, which often differ in amount and duration from state benefits.
Real Claim Examples Involving USL&H Coverage
Shipyard welder injured during vessel repair
A mid-size shipyard employed welders to repair commercial fishing vessels docked at its facility. A welder suffered severe burns when a fuel line ignited during hull repair work on a vessel still floating at the pier. Because the injury occurred on a vessel in navigable waters during ship-repair work, it triggered LHWCA jurisdiction. The employer's policy included the Longshore endorsement, so the claim was paid under federal benefit schedules without dispute over which system applied.
Terminal operator missing the endorsement
A marine terminal operator carried a standard state workers' compensation policy with no Longshore endorsement, believing its office-based classification covered all staff. A dockhand injured his back while securing mooring lines on a cargo ship, an activity squarely within maritime employment. The state carrier denied the claim, citing LHWCA jurisdiction, and the employer faced a federal benefits claim with no insurance response. The agency that placed the policy had never asked about dockside duties, creating a significant E&O exposure.
Harbor construction crew working from a barge
A general contractor built a seawall using a barge-mounted crew working over navigable water. One worker fell between the barge and the dock, sustaining a serious leg injury. Because the work occurred on a vessel over water, the claim qualified under the LHWCA rather than the contractor's standard state workers' comp policy. The contractor had purchased the Longshore endorsement after a prior risk assessment flagged the barge work, and the claim was paid promptly under federal benefits.
USL&H Coverage vs. Jones Act Coverage: What Is the Difference?
USL&H Coverage applies to land-based maritime workers such as longshoremen and shipyard employees, while Jones Act coverage applies to seamen who are actual crew members of a vessel. Both arise from federal maritime law, but they use different legal tests, different benefit structures, and different liability standards for employers.
| Comparison area | USL&H Coverage | Jones Act Coverage |
|---|---|---|
| Primary use case | Dockworkers, shipbuilders, terminal employees | Vessel crew members, seamen |
| Coverage / concept type | No-fault federal workers' compensation | Negligence-based employer liability |
| Typical exclusions | Masters and crew members of a vessel | Land-based maritime workers without vessel assignment |
| Who is most affected by errors | Marine terminal and shipyard employers | Vessel owners and operators |
| Common mistakes | Assuming state workers' comp applies to dock work | Assuming USL&H covers injured crew members |
What Are the Most Common Mistakes With USL&H Coverage?
- Agencies assume standard state workers' comp automatically covers any employee working near water, leaving maritime workers without the required federal benefits.
- Agencies fail to ask about pier, dock, or vessel-based duties during the application process, missing exposure that only surfaces after a claim.
- Agencies confuse USL&H Coverage with Jones Act coverage, placing the wrong endorsement for crew members versus shore-based maritime workers.
- Agencies overlook the Voluntary Compensation Endorsement for borderline situations, such as workers whose maritime status is unclear under current case law.
- Underwriters sometimes classify a risk using standard construction codes without flagging that a portion of the work occurs over navigable water, understating the premium and the exposure.
How to Explain USL&H Coverage to a Client
Explaining USL&H Coverage to a personal lines client
This coverage generally does not apply to personal lines, but if you have a client who works part-time at a marina or does boat repair as a side job, let them know their employer is responsible for carrying this coverage, not them personally. It only matters to you if you are hiring maritime workers yourself, like a boat repair business owner.
Explaining USL&H Coverage to a small business owner
If any of your crew works on docks, piers, or vessels, federal law requires a different kind of workers' comp than what covers your office staff. We need to add a specific endorsement so an injured dockworker's claim does not get denied for being filed under the wrong system. This is a quick fix now, but a costly gap later if we skip it.
Explaining USL&H Coverage to a CFO or risk manager
Your maritime workforce falls under federal jurisdiction through the Longshore and Harbor Workers' Compensation Act, which carries different benefit schedules and claim procedures than your state workers' comp program. We recommend a formal exposure review of any work performed on vessels or adjoining maritime facilities to confirm the Longshore endorsement is properly triggered and rated. Getting the classification wrong can mean an uninsured federal benefits claim sitting entirely on the balance sheet.
Frequently Asked Questions About USL&H Coverage
What does USL&H stand for in insurance?
USL&H stands for the United States Longshore and Harbor Workers' Compensation Act, a federal law providing workers' compensation benefits to maritime employees. Insurance agents shorten it to USL&H or simply "Longshore Coverage" when referring to the endorsement that satisfies this legal requirement.
Who needs USL&H Coverage?
Employers of workers who load or unload vessels, build or repair ships, or work on piers, wharves, and terminals adjoining navigable water generally need USL&H Coverage. This includes stevedoring companies, shipyards, marine terminal operators, and some construction firms working near harbors or waterways.
Is USL&H Coverage the same as regular workers' compensation?
USL&H Coverage is not the same as regular state workers' compensation, even though both are no-fault systems. USL&H operates under federal law with its own benefit schedules, its own claims process through the U.S. Department of Labor, and often richer wage-replacement benefits than state systems.
Can a single employee need both state workers' comp and USL&H Coverage?
An employee can shift between state and federal jurisdiction depending on the specific task being performed at the time of injury. A dockworker who spends part of the day in a warehouse and part of the day loading a vessel may be covered under state law for one injury and federal law for another, which is why many policies carry both coverages side by side.
What happens if an employer does not carry USL&H Coverage?
An employer without the required endorsement can be personally liable for federal benefits that a standard workers' comp policy will not pay, since the claim falls outside the policy's intended scope. This creates a direct, uninsured financial exposure and is one of the more serious gaps an agency can leave unaddressed.
Does USL&H Coverage apply to recreational boat workers?
USL&H Coverage generally does not apply to employees who repair small recreational vessels under a specific statutory exclusion, provided the employer meets certain size and payroll conditions. Agencies should review the exact statutory language and consult the employer's actual operations before assuming this exclusion applies.
Related Insurance Terms
- Jones Act Coverage: Federal maritime law providing negligence-based liability protection for employers of vessel crew members, distinct from the no-fault USL&H system for shore-based workers.
- Maritime Employers Liability: Coverage addressing an employer's liability exposure for maritime workers' injuries beyond the no-fault benefits provided under USL&H or the Jones Act.
- Workers Compensation and Employers Liability Policy: The base policy to which the Longshore Coverage Endorsement is typically attached to extend USL&H benefits.
- Voluntary Compensation Endorsement: An endorsement extending USL&H-style benefits to maritime workers whose federal jurisdictional status is uncertain or borderline.
- Admiralty Jurisdiction: The body of law governing maritime activities and navigation, which underlies why USL&H and Jones Act claims are handled outside standard state court systems.
Sources and References
- U.S. Department of Labor, Office of Workers' Compensation Programs. Longshore and Harbor Workers' Compensation Act.
- Cornell Law School, Legal Information Institute. 33 U.S.C. Chapter 18 - Longshore and Harbor Workers' Compensation.
About the Author
Justin Goodman, CIC, CCIP, CISC, CLCS, CRIS, PCIA, QCLS, MFHR CEO and Co-Founder, Total CSR, Inc.
Justin Goodman is a third-generation insurance broker with over two decades in agency operations. He has trained more than 100,000 CSRs, account managers, and producers in commercial and personal lines coverage, from workers' compensation to construction risk. He was named 2024 Insurance Journal Agent of the Year and one of the nation's top five construction insurance experts by Risk & Insurance. He is the author of Retain, which applies cognitive science research on memory and knowledge transfer to insurance training, and speaks nationally on how agencies build durable technical expertise in their teams.