Longshore Act or Jones Act? Which Maritime Injury Regime Applies to You

The Short Answer

When a maritime worker is hurt, the single most important question is often the first one: are you a seaman or a longshore or harbor worker? The answer decides which body of federal law governs your case, who you can sue, and how much you can recover.

A seaman — a master or member of the crew of a vessel — sues under the Jones Act and general maritime law. A longshoreman, harbor worker, ship repairer, shipbuilder, or other covered shoreside maritime worker is covered by the Longshore and Harbor Workers' Compensation Act (LHWCA). The two regimes are mutually exclusive: the Supreme Court has made clear that the Jones Act and the Longshore Act do not overlap — a worker is one or the other, never both, for the same job. Chandris, Inc. v. Latsis, 515 U.S. 347 (1995).

The stakes are real. A seaman can sue the employer for negligence, sue the vessel for being unseaworthy, and collect maintenance and cure. A longshore worker generally cannot sue the employer at all — but keeps a negligence claim against the vessel owner under § 905(b). Putting a case in the right regime, and resisting the defense's effort to move it into the cheaper one, is where these fights are won or lost.

The Two Regimes at a Glance

If you are a Jones Act seaman, you have:

• A Jones Act negligence claim against your employer, governed by a worker-friendly featherweight causation standard.
• An unseaworthiness claim against the vessel owner — a no-fault duty to provide a vessel and crew reasonably fit for their purpose.
• Maintenance and cure — daily living expenses and medical care paid from the day you are hurt until maximum medical improvement, regardless of fault.
• The protection of pure comparative negligence: your own fault reduces, but never bars, recovery.

If you are a longshore or harbor worker under the LHWCA, you have:

• No-fault workers' compensation — medical care and wage-replacement benefits paid by your employer without regard to fault (33 U.S.C. §§ 904, 908).
• No tort suit against your direct employer. Section 905(a) makes the compensation remedy exclusive as to the employer — the same trade-off most workers' compensation systems make.
• A preserved negligence claim against the vessel owner under § 905(b), measured by the three Scindia duties (turnover, active control, and the duty to intervene). There is no unseaworthiness claim under the Longshore Act.

The headline difference: a seaman's recovery is built on tort — negligence, unseaworthiness, and the full measure of damages a jury can award. A longshore worker's recovery against the employer is capped, no-fault compensation, with the real tort upside reserved for the separate claim against the vessel.

How the Line Is Drawn

A worker is a seaman when two things are true under Chandris: the worker's duties contribute to the function of a vessel or the accomplishment of its mission, and the worker has a connection to a vessel in navigation that is substantial in both its duration and its nature. In the Fifth Circuit, the "nature" half of that test is now analyzed through the four factors of Sanchez v. Smart Fabricators, 997 F.3d 564 (5th Cir. 2021) (en banc) — perils of the sea, allegiance to a vessel rather than a shoreside employer, sea-based work, and whether the assignment was a discrete task or an ongoing connection.

A worker falls under the LHWCA when the worker is engaged in maritime employment (the status test, 33 U.S.C. § 902(3)) on or near the navigable waters or adjoining areas used for maritime activity (the situs test, 33 U.S.C. § 903) — and is not a master or member of a crew of any vessel. That last clause is the hinge: the LHWCA expressly excludes "a master or member of a crew of any vessel," and that excluded category is exactly the seaman the Jones Act protects. The two statutes were written to fit together without a gap and without an overlap.

Why It Matters

Because the remedies differ so sharply, both sides have an incentive to argue status. A common defense move is to recast a seaman as a longshore worker, where exposure is limited to compensation and a § 905(b) claim, or to tell an injured longshore worker that the only remedy is to "file for comp and sue your employer" — when the suit against the employer is barred and the real claim runs against the vessel owner. Getting the regime right is not a technicality; it can be the difference between a capped compensation award and a full tort recovery.

Status is decided on what the work actually was, not on the job title or the language in a staffing contract. The same facts that establish seaman status also drive the borrowed-employee question of which company is the Jones Act employer — and a misclassification at the threshold can quietly cost a worker the larger part of a claim.

The Borderline Cases

Most disputes cluster around a familiar set of fact patterns:

• Fixed platforms are not vessels. A worker injured on a fixed offshore platform is generally not a seaman; the claim runs through the LHWCA as extended by OCSLA, not the Jones Act.
• Jack-up rigs, drillships, and other mobile units are vessels, so their crews can be seamen — which is why drilling-rig status fights are common.
• Transient and project workers — a welder or technician sent to a vessel for a short, discrete job — are where Sanchez does its work, often defeating seaman status when the connection was a one-off task rather than an ongoing assignment.
• Tankermen and harbor workers who sometimes board vessels sit close to the line, and the analysis turns on the substance and regularity of the vessel connection.

When status is genuinely contested, the right approach is usually to plead in the alternative — seaman status and, if that fails, the LHWCA § 905(b) vessel-negligence claim — so a single adverse ruling on status does not end the case.

What This Means If You Were Hurt

1. Get the status question analyzed early. It controls everything downstream — who you sue, under what standard, and for what damages.
2. Don't accept the label on your paperwork. Whether you are a seaman is a question of what you did and your connection to a vessel, not what a contract calls you.
3. Preserve the proof. Crew lists, assignment records, vessel logs, and testimony about your actual day-to-day work are what decide a contested status fight.
4. Be wary of the "just file for comp" framing. If you are a seaman, comp is not your remedy; if you are a longshore worker, comp does not touch your separate claim against the vessel owner.

For how status fits into a larger case — including layered jurisdictional and choice-of-law fights — see complex maritime cases.

Related Reading on This Site

• Sanchez: how the Fifth Circuit decides seaman status — the four-factor test at the center of most status fights.
• The Chandris substantial-connection test — the Supreme Court framework Sanchez sits inside.
• § 905(b): the vessel-negligence claim a longshore worker keeps — the Longshore Act's preserved suit against the vessel owner.
• The Jones Act and what the Jones Act is — the seaman's negligence remedy.
• Jones Act vs. workers' compensation — why a seaman is not limited to a comp check.