Facts

• Company: Seasats
• Product type: Usv
• Status: commercial
• Capability focus: Generalist
• Website: https://www.seasats.com/

Profile sections

• Summary
• Overview
• Market context
• Audience
• Workflow
• Capability
• Deployment environment
• Positioning tags
• Specifications
• Tags
• Timeline / Research
• Operations Claims / Customers and deployments
• Comparable Systems
• Sources

Summary

Lightfish is Seasats compact long-endurance autonomous surface vessel. It is used for maritime domain awareness, ocean data collection, environmental monitoring and survey missions, with modular payloads and hybrid power for extended operations at sea.

Overview

Lightfish is Seasats compact long-endurance autonomous surface vessel. It is used for maritime domain awareness, ocean data collection, environmental monitoring and survey missions, with modular payloads and hybrid power for extended operations at sea.

Market context

Lightfish is Seasats long-endurance autonomous surface vessel for persistent maritime missions including intelligence, survey and security patrol.

• Target environment: Coastal and open-ocean maritime environments.
• Workflow context: Persistent maritime surveillance, intelligence collection, survey and security patrol using autonomous surface vessels.
• Customer context: Defence customers and maritime security operators needing persistent USV capability.
• Deployment model: Commercial autonomous surface vessel with defence and security applications.
• Commercial maturity: Commercially available USV with defence and maritime security adoption.
• Adoption constraints: Limited to surface operation. Speed and endurance depend on sea conditions.
• Market position: A portable modular USV for persistent maritime missions including intelligence, survey and security patrol.
• Adjacent products: Quickfish, Heavyfish, maritime USVs

Audience

Defense

Workflow

Persistent maritime surveillance, intelligence collection, survey and security patrol using autonomous surface vessels.

Capability

generalist

Deployment environment

Coastal and open-ocean maritime environments.

Positioning tags

• Audience: Defense
• Workflow: Persistent maritime surveillance, intelligence collection, survey and security patrol using autonomous surface vessels.
• Capability: generalist
• Deployment environment: Coastal and open-ocean maritime environments.

Specifications

• Payload Capacity Kg: 29.94 kg
• Top Speed: 2.57 m/s
• Endurance: up to 6 months
• Deployment: 1–2 person manual deployment
• Max Range No Solar: 575+ NM
• Sea State: sea state 6
• Weight Kg: 138.35 kg

Tags

• Peer Group: Maritime USV
• Workflow: Maritime domain awareness
• Capability: Autonomous navigation
• Deployment Environment: Defence operational environment
• Stack Layer: Finished robot platform
• Commercial Stage: Commercial product

Timeline / Research

• 2026-05-27 - Capability - Seasats Lightfish completes autonomous Taiwan Strait transit - Seasats said its Lightfish uncrewed surface vessel completed the first autonomous transit of the Taiwan Strait.
• 2026-01-15 - Contract Award - Seasats awarded $24M APFIT funding to accelerate fielding of autonomous surface vessels - Seasats was selected for a $24 million APFIT award to accelerate procurement, production, and scali…
• 2025-11-12 - Partnership - Seasats and Elysium EPL sign reseller agreement for autonomous surface vessels in Australia and New Zealand - Seasats signed a formal reseller agreement making Elysium EPL its exclusive resell…
• 2025-10-07 - Contract Award - Seasats awarded $89M U.S. Navy SBIR Phase 3 IDIQ contract - Seasats was awarded an $89 million SBIR Phase III IDIQ contract tied to Navy and Marine Corps demand for autonomous maritime syst…
• 2025-07-30 - Capability - Seasats autonomous surface vessel crosses the Pacific and completes a 7,500+ mile mission - A Seasats Lightfish completed an autonomous Pacific crossing of more than 7,500 miles over 150 days.
• 2025-02-05 - Funding - Seasats secures $10M funding round amid rising demand for autonomous vessels - Shield Capital led a $10 million financing round for Seasats, with participation from Aero X Ventures and Techstars.

Operations Claims / Customers and deployments

• Award Value Usd - US$24 million APFIT award - 2026-01-15 - U.S. Department of War - autonomous surface vessel fielding - Seasats received a $24 million APFIT award to accelerate procurement, production, and scaling of i…
• Contract Ceiling - US$89 million IDIQ - 2025-10-07 - U.S. Navy / Marine Corps - autonomous maritime systems procurement - Seasats was awarded an $89 million SBIR Phase III IDIQ contract tied to Navy and Marine Corps dem…

Comparable Systems

• Mirage - Saronic - Usv
• Quickfish - Seasats - Usv
• Corsair - Saronic - Usv
• Voyager - Saildrone - Uncrewed Surface Vehicle