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Offshore Subsea & Commercial Diving Injury Lawyer (ROV, Divers, DP)

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Offshore Subsea & Commercial Diving Injury Lawyer (ROV, Divers, DP) | Doyle Dennis Avery LLP
Reviewed for legal accuracy by Michael P. Doyle & Patrick M. Dennis · Last updated May 2026
Subsea & Diving Injuries · ROV, Commercial Divers, DP, Survey

Subsea work carries hazards no other offshore job has.

Commercial divers, ROV pilots and technicians, dynamic-positioning operators, and subsea and survey specialists work at the most technical — and in diving, the most physiologically dangerous — edge of the offshore industry.

ROV · divers · DP
Subsea specialists
Diving · launch-recovery
The hazards
Special analysis
For divers

As an offshore commercial diver, am I a Jones Act seaman?

It turns on your connection to a vessel. You are often a Jones Act seaman when you are based on a dive support vessel. That classification decides your remedies: a Jones Act seaman can sue the employer for negligence, claim unseaworthiness against the vessel, and receive maintenance and cure, while a platform worker generally recovers through OCSLA and the Longshore Act.

Key takeaways

  • Whether an offshore commercial diver is a Jones Act seaman turns on the connection to a vessel.
  • Divers based on a dive support vessel are often seamen, and diving carries unique hazards.
  • Seamen get Jones Act negligence, unseaworthiness, and maintenance and cure; platform workers get OCSLA and the Longshore Act.
  • The classification is often contested and decides what you can recover.
  • Work assignments and records often decide the question, so preserve them.
01 The job

Working below and at the waterline.

Subsea crews operate below or at the waterline — commercial (saturation and surface-supplied) divers, ROV pilots and technicians, dynamic-positioning (DP) operators, and subsea construction and survey specialists — supporting drilling, construction, and inspection from vessels and rigs.

Much of this work is launched from construction and support vessels and the drilling units.

02 The hazards & injuries

Hazards unique to the deep.

Subsea work brings hazards unique to it: decompression sickness and other diving injuries, launch-and-recovery and crush incidents, lifting over the side, and the drowning and man-overboard risks of working at the rail — alongside the long-term and trauma risks of any deck.

03 Are you a seaman?

Are you a seaman?

Divers and subsea crews assigned to a vessel are generally Jones Act seamen, and commercial divers have long been recognized within maritime law — though the analysis still turns on the vessel connection and the specific facts.

Seaman → Jones Act

If your work connects you substantially to a vessel in navigation, you are likely a Jones Act seaman, with negligence and unseaworthiness claims plus maintenance and cure.

Platform → OCSLA

If you were on a fixed platform on the shelf, OCSLA and borrowed state law usually apply.

Harbor / longshore → LHWCA

If you build, repair, or load vessels in harbor, the LHWCA — and § 905(b) against a negligent vessel — may govern.

It turns on the facts

Status follows your actual duties and connection to a vessel, not your job title — see Chandris and Sanchez.

The deep is unforgiving and the work is specialized — which is why proving exactly what failed takes counsel who understands the operation.

Sound like your situation? Calling us is confidential, costs nothing, and starts nothing you don’t choose to start.

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04 Why it matters

The case often starts with the status question.

Doyle Dennis Avery tries catastrophic offshore-injury cases to verdict — including the $7.86 million result in Gillies v. Valaris. The firm's work often starts with the status question — proving you are a seaman, or identifying the right remedy if you are not — because it can decide the entire case.

If you were hurt doing this work offshore, getting the status analysis right early protects every claim that follows.

05 The defense playbook

What the other side will argue — and how it’s met.

Commercial divers sit in a gray zone the defense exploits — disputing seaman status and pointing at the dive contractor instead of the vessel operator.

“You weren’t a seaman”

Seaman status turns on a connection to a vessel or fleet that is substantial in nature and duration — the Chandris and Sanchez tests, roughly 30% of your time — and it is provable through assignment, time, and payroll records. Establishing it opens the full Jones Act and unseaworthy-vessel recovery.

“We weren’t your employer”

Hired through a labor broker or staffing company, you will hear the operator deny being your employer and point at that company. But under the borrowed-employee doctrine the company that actually controlled the work can be a Jones Act employer too — and more than one entity can be liable. Control over the work, not the letterhead on the paystub, decides it.

“You caused this yourself”

The Jones Act uses pure comparative negligence, so a worker’s own fault reduces a recovery but never bars it — and the hazard is usually the company’s. A jury once found the injured worker zero percent at fault.

“The vessel wasn’t unseaworthy”

A worker does not need unseaworthiness to win. Employer negligence under the Jones Act stands on its own — a jury can find negligence even where it does not find the vessel unseaworthy.

06 What proves it

A diving case pairs status with a hyper-technical operation.

A diver tied to a dive-support vessel’s life-support is closely connected to that vessel, which supports seaman status, and the borrowed-employee analysis reaches the operator that controlled the dive. On the merits the firm works with diving-safety experts on gas management, decompression, bell and saturation procedures, surface-supply, and ROV operations, and the dive logs, the dive plan, and the vessel’s records carry the Jones Act and unseaworthy case.

A diver tethered to a vessel’s life-support is about as connected to that vessel as a worker can be.

07 The first days

What to protect while it still exists.

The dive records and your assignment history are the case — and the dive contractor holds them.

Preserve the dive logs, dive plan, and assignment records

The dive logs, dive plan, gas and decompression records, and your assignment and payroll records prove the diving operation, seaman status, and who employed you. Demand preservation at once.

Report it — in writing

Make sure a written incident report is created and, for a serious injury, that the vessel files a Coast Guard marine-casualty report (Form CG‑2692).

Get real medical care now

See a doctor promptly and describe exactly how the injury happened to every provider. An honest, contemporaneous record is the backbone of the case.

Be careful what you sign or say

You are not required to give the insurer a recorded statement, and early “I’m okay” remarks get used against you. Get advice before signing.

$7.86MJury verdict — Gillies v. Valaris
Top 20Texas verdicts, 2022
Trial-testedComplex maritime cases taken to verdict
FAQ Common questions

Frequently asked questions about offshore commercial diver injury claims

As an offshore commercial diver, am I a Jones Act seaman?

You are often a Jones Act seaman when you are based on a dive support vessel. If you are a seaman, you have the Jones Act, an unseaworthiness claim, and maintenance and cure; if you are a platform worker, your claims generally run through OCSLA and the Longshore Act.

What if I worked on both vessels and fixed platforms?

Seaman status looks at your connection to a vessel or an identifiable fleet of vessels over the course of your work, not a single day. Splitting time between vessels and fixed platforms is common offshore, and it often makes the classification a contested, fact-specific question.

What can I recover as an offshore commercial diver?

It depends on your classification. A Jones Act seaman can recover from the employer for negligence, bring an unseaworthiness claim, and receive maintenance and cure. A platform worker generally recovers through OCSLA and the Longshore Act, plus any third-party claims. Recovery is measured by category, not a fixed amount.

Do I have to prove my employer was at fault?

Not entirely. Under the Jones Act you need only show the employer's negligence played some part, however slight, which is a very worker-friendly standard. An unseaworthiness claim requires no negligence at all, only that the vessel or its equipment was not reasonably fit. Maintenance and cure is owed to a seaman regardless of fault.

Are commercial divers covered differently?

Commercial diving carries hazards no other offshore job has, such as decompression sickness and equipment failure at depth. Divers based on a dive support vessel are often Jones Act seamen, and dive-specific safety failures frequently drive these cases.

What is maintenance and cure?

Maintenance and cure is a no-fault maritime benefit owed to an injured seaman: maintenance covers daily living expenses and cure covers medical care, until you reach maximum medical improvement, regardless of who was at fault.

What should you do after an injury as an offshore commercial diver?

Get medical care and make sure the injury is reported in writing. Preserve evidence early, including incident reports, photos, equipment, and witness names, and do not give a recorded statement or sign anything before talking to a lawyer.

What happens when you text us

1

Tell us what happened — in your own words, as much or as little as you want.

2

We review it free. You learn whether maritime law protects you and what your options actually are.

3

You decide. Nothing is filed, and no one contacts your employer, unless you choose to move forward.

Your conversation with us is confidential. There is no fee unless we win. Hablamos español.

Reach out even if…

  • You think the accident was partly your fault — under the Jones Act, your own fault reduces a recovery but does not bar it.
  • You already gave a statement or signed something — a release signed under pressure can be challenged.
  • You still work for the company — talking to a lawyer is confidential, and retaliation for pursuing a claim can itself be actionable.
  • You’re not sure your case is “big enough” — that’s exactly what a free review is for.
Free · Confidential · No Fee Unless We Win

Hurt offshore? The right analysis starts now.

Whether you are a seaman, a platform worker, or a harbor worker can decide your entire claim. Doyle Dennis Avery LLP gets that analysis right and pursues every responsible party. A case review costs nothing, there is no obligation, and your employer will not know you contacted us.

Michael Patrick Doyle, Partner, Doyle Dennis Avery LLP
Michael Patrick Doyle
Partner · Trial Lawyer · Houston
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Reviewed by

Michael Patrick DoylePartner · Doyle Dennis Avery LLP
Houston trial lawyer who tries complex maritime and catastrophic-injury cases against major offshore and energy operators.

Patrick M. DennisPartner · Doyle Dennis Avery LLP
Houston trial lawyer focused on maritime, offshore, and serious personal-injury litigation.

This page was reviewed for legal accuracy by the attorneys above. Last updated May 2026.

This page is general information, not legal advice, and does not create an attorney-client relationship. The law that applies to an offshore injury — the Jones Act, the LHWCA and \u00a7 905(b), OCSLA, the general maritime law, DOHSA, or another body of law — the available damages, and the parties responsible depend on the specific facts. Prior results do not guarantee or predict a similar outcome. Doyle Dennis Avery LLP · Houston, Texas. This is attorney advertising.

Doyle Dennis Avery LLPMaritime & Offshore Injury · Houston, Texas