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Mission Specialist

Defender

Underwater robot designed for greater control, heavier payloads and demanding intervention

7

Thrusters

1000m

Depth Rating
(Deep Config)

500

Different Mission
Capabilities

Mission Specialist

Defender

Underwater robot designed for greater control, heavier payloads and demanding intervention

7

Thrusters

1000m

Depth Rating
(Deep Config)

500

Different Mission
Capabilities

The VideoRay Defender is a powerful, highly configurable remotely operated vehicle (ROV) engineered for advanced underwater missions. Designed with a robust modular platform, seven-thruster architecture, and enhanced payload capacity, it delivers unmatched control and stability in challenging offshore and subsea environments.

With full six-axis manoeuvrability, high-definition imaging, and support for a wide range of tools—such as sonars, manipulators, and Atlantas Marine’s own Storm camera—the Defender excels in demanding inspection, intervention, and recovery tasks. Its depth rating, adaptability, and field-swappable components make it a dependable choice for complex operations, from UXO clearance to offshore energy asset inspection.

Depth Rating

305 metres
(1000m Deep Config)

Max Tether Length

1500 metres

Navigation

Autopilot DVL & GPS

Mobility

6-axis: Surge, Heave, Yaw,
Sway, Pitch, & Roll

Weight

17.2kg (38lbs)

Size (L x W x H)

71 x 40 x 24 cm

Defender Benefits

Why choose the Defender

The Defender delivers a powerful blend of performance, adaptability, and control—making it a trusted choice for complex underwater operations. Designed to excel in high-risk, high-precision environments, it helps operators work more safely, efficiently, and confidently, whether inspecting offshore infrastructure, navigating confined spaces, or supporting subsea interventions.

Thanks to its six-axis control and powerful thruster configuration, the Defender allows users to maintain accurate positioning in difficult environments—reducing operator fatigue and improving mission success rates.

The Defender’s modular architecture allows rapid configuration for a wide range of tasks. Components like cameras, sensors, and manipulators can be easily swapped or upgraded, reducing downtime and expanding capability across multiple missions.

With the option for long-range fibre optic tethers and on-board battery power, the Defender can access hard-to-reach sites without relying on complex surface power setups—unlocking operational flexibility wherever the work takes you.

Defender Features

What helps set it apart

The Defender pairs robust construction with a modular design to deliver high-performance results in demanding underwater environments. Its full HD camera, integrated navigation sensors, and seven thrusters ensure precise control, clear visuals, and reliable data capture across a wide range of subsea tasks.

ROV Capabilities

Underwater ROVs you can trust, wherever your mission takes you

VideoRay Mission Specialist Series vehicles are designed and built with flexibility in mind. The modular design enables easy maintenance and seamless integration with a variety of tools for a custom solution to your underwater challenges.

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Modular Design - Easy to Maintain

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High-Definition Camera

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Seven Powerful Thrusters

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Multiple Add-on's for Specific Mission Requirements

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15,2000 Lumen Brightness Lights

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VideoRay

Mission Specialist Defender

The Defender pairs robust construction with a modular design to deliver high-performance results in demanding underwater environments. Its full HD camera, integrated navigation sensors, and seven thrusters ensure precise control, clear visuals, and reliable data capture across a wide range of subsea tasks.
Compatability:

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Features

Modular Architecture

Easily configurable platform with swappable components for rapid setup and mission flexibility.

Seven-Thruster System

Provides full six-axis control for superior manoeuvrability in strong currents and confined spaces.

Full HD Tilting Camera

Delivers sharp, low-light imagery with a wide field of view—ideal for detailed inspections.

Integrated Navigation Suite

Includes depth, heading, and optional DVL sensors for precise positioning and control.

Extended Depth & Tether Options

Operates down to 1,500 metres with fibre optic tether for long-range missions.

Accessory Compatibility

Supports a wide range of tools and sensors, including sonar, manipulators, and Atlantas Marine’s Storm camera.

Benefits

Operate with Precision in Challenging Conditions

Thanks to its six-axis control and powerful thruster configuration, the Defender allows users to maintain accurate positioning in difficult environments—reducing operator fatigue and improving mission success rates.

Reduce Downtime and Adapt Quickly to New Tasks

Its modular, plug-and-play design enables fast configuration changes, meaning less time in the workshop and more time in the field—maximising productivity across multiple projects with a single system.

Reach More Locations, with Fewer Limitations

With the option for long-range fibre optic tethers and on-board battery power, the Defender can access hard-to-reach sites without relying on complex surface power setups—unlocking operational flexibility wherever the work takes you.

Specifications

Overview


 

Power Requirements: 110/220 VAC (1 to 2.6 kW)

Total System Weight (Sub & OCC):32.5 kg (71.6 lb)

Cases:2 Watertight Rugged Hard Cases

Owner’s Manual: Online Digital

System Tool Kit: Basic Tool Kit

Communications Protocol: RS-485 and Ethernet

Warranty: 2 Year Limited

Depth Rating: Up to 1000m with deep config, 305m standard config

Size (l x w x h): 71cm x 40cm x 24cm

Weight: 17.2kg (38lbs)

Ballast: Modular

Case: 79.5 x 51.8 x 31 cm, 9.4kg

 

 

Camera


 

High Definition: With Ethernet interface (IP)

Video: up to 1920 x 1080, 25 fps

Mechanical: Standard VideoRay 9 pin connection Ethernet, 12 VDC, RS-485 Auto or Manual Focus Optical Glass Dome

Features: White Balance Control up to 16x Digital Zoom (64 steps) 13 Megapixel Still Image Capture

Sensitivity: Less than 1 lux (standard)

View Angle: 160° Tilt (180° FoV) Horizontal: 136° Vertical: 92°

Interface: Ethernet Compression: MJPG

 

 

Power


 

400 VDC power module

1500 W @ 48 VDC

Full monitoring of input voltage, output current, temperature

 

Buoyancy


 

Float: 400 m standard, 2000m optional

 

Operator Control Console (OCC)


 

Power Input: 90-260 VAC (47-440 Hz)

Power Output: 400 VDC, 2400 W

Display: HD Daylight Viewable Monitor

Weight: 15.2 kg (33.6 lbs)

Case: Water tight 0.62 x 16.87 x 8.12 in (52.37 x 42.85 x 20.62 cm)

Processing: Integrated i7 system processor

Controller: Industrial Programmable Hand Controller

Safety: Integral Line Isolation Monitor Emergency Kill Switch

Ports:

7 external USB ports

1 external Ethernet port

 

Communications


 

5 x 100 Mbps Ethernet ports

5 x RS-485 ports

Power Available:

12V, 120W

24V, 300W

48V, 1500W

Power control and monitoring

 

Propulsion


 

Brushless thruster with integrated controller

4 Vectored Horizontal Thrusters

Forward: 26.7 kg (59lbs)

Reverse: 15 kg (33lbs)

Lateral: 8.6 kg (19lbs)

3 Vertical Thrusters

Up 23.1 kg (50.9lbs)

Down 12.9 kg (28.4lbs)

 

Lighting


 

LED

2 independent light arrays (38 Watts max ea.)

60° spot beam 110° flood beam

Each array can be individually controlled

3,000 K CCT, 80 CRI White

7,600 total lumens per LED light module; 15,200 lm total light

 

IMU


 

9 DOF IMU and magnetic compass

Pressure based depth sensor:

100 Bar, with 400 Bar optional

0.2° Static Roll/Pitch

0.5°Dynamic Roll/Pitch

1.0° Yaw

18°/h/ Gyro Bias stability

 

Tether


 

Neutral Performance: Neutral buoyancy, smaller diameter

Standard Neutral: Neutral buoyancy

Negative Extension: Negative buoyancy

Breaking Strength: 680 kg (1,500lbs)

Management: Tether Deployment and Storage Reel

 

Downloads

Mission Specialist Product Comparison Guide
A 2-page comparison sheet to help you understand the differences between ROVs in the Mission Specialist range.
Format: PDF
Size: 0.24MB
Defender Product Data Sheet
Product Data Sheet for the Mission Specialist Series Defender
Format: PDF
Size: 10.8MB

Shipping & Billing

Please contact us for Shipping & Billing information via our contact page.

Warranty, T&C's

Please view all product warranties here.

All other terms and conditions are located here.

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