Mission Specialist Defender

Take Command of Your Underwater Operations

The Mission Specialist Defender transforms challenging maritime tasks into straightforward operations, delivering the precise control and robust capability needed when working in Australia's demanding underwater environments.

Rugged Capabilities That Make the Difference

Rock-Solid Control in Any Direction

Picture maintaining perfect position even in strong currents. The Defender's seven-thruster system gives you the grunt to hold steady or manoeuvre with pinpoint accuracy, just as if you were there yourself.

Stay on Target with Active Pitch Control

No more fighting to maintain the right angle during critical inspections. The Defender's active pitch control keeps you perfectly oriented whether you're looking straight up at a ship's hull or down into a subsea structure.

Ready When You Are

Getting back in the water quickly matters. The Defender's modular construction means you're not stuck waiting around - swap out components, upgrade systems, and get back to work without missing a beat.

Compatible with Others

Already invested in control systems? No worries. The Defender integrates seamlessly with your existing setup, including:

• Greensea Systems
• Seebyte
• Other compatible control platforms

Real-World Applications That Matter

Making UXO Operations Safer

When you're dealing with unexploded ordnance, there's no room for equipment that might let you down:

• Get crystal-clear visuals of suspect objects
• Handle ordnance with steady, precise control
• Support your dive team with reliable backup
• Document everything for the brass

Keep Your Maritime Assets Ship-Shape

Maintaining underwater infrastructure is tough enough without fighting your equipment:

• Thorough hull inspections and cleaning
• Fish farm net maintenance without the hassle
• Solid support for underwater construction
• Reliable pipeline and cable inspection

More Ways to Get the Job Done

• Find and recover underwater objects
• Support scientific research missions
• Respond to maritime emergencies
• Keep ports and harbours secure

The Complete Technical Package

Power and Performance

• Rock-solid reliability with 110/220 VAC power supply (1 to 2.4 kW)
• Serious grunt from the 400 VDC power module delivering 1500 W @ 48 VDC
• Full monitoring of input voltage, output current, and temperature
• Compact system weighing just 32.5 kg - perfect for rapid deployment

Advanced Vision Systems

• Crystal clear 1080p video at 25 fps with h.264 compression
• See in the darkest conditions with less than 1 lux sensitivity
• Massive 160° tilt and 136° horizontal field of view
• White balance control and up to 16x digital zoom for perfect imagery
• Dual independent LED arrays pumping out 7,600 lumens each
• Choice of 60° spot beam or 110° flood beam for optimal illumination

Serious Propulsion

Seven brushless thrusters with integrated controllers for precise movement:

• Four vectored horizontal thrusters delivering up to 26.7 kg forward thrust
• Three vertical thrusters providing 23.1 kg upward force
• Perfect for handling strong currents and heavy lifting operations

Smart Navigation

• Advanced 9 DOF IMU and Magnetic Compass
• Pressure-based depth sensing up to 400 Bar
• Precise 0.2° static roll/pitch accuracy
• Rock-solid 18°/h gyro bias stability
• Real-time positioning and orientation data

Professional Control Station

• Industrial-grade hand controller for precise operation
• Daylight-viewable monitor in a watertight case
• Seven external USB ports and Ethernet connectivity
• Integrated i7 system processor for smooth operation
• Full emergency controls including kill switch

Robust Communication

• Dual protocol system with RS-485 and Ethernet
• Five 100 Mbps Ethernet ports for expansion
• Power control and monitoring across all systems
• Reliable tether system with 680 kg breaking strength

The Nuts and Bolts

What You Can Expect

• Choose your depth rating based on the job
• Lift what needs lifting with serious payload capacity
• Work in any weather Australian waters throw at you
• Stay on station as long as needed

Take Control

• Straightforward pilot interface that makes sense
• Know what's happening with real-time feedback
• Keep track of position without the guesswork
• Multiple camera views when you need them

Backing You Up

• Get your crew up to speed with proper training
• Field support when you need it
• Clear technical documentation
• Spare parts on hand when required

Success in the Field

Defence Operations Done Right

The Defender has proven its mettle in UXO operations across Australian waters, giving operators the control they need while keeping everyone safe.

Keeping Critical Infrastructure Going

From Darwin to Hobart, maritime operators trust the Defender to keep their underwater assets in top nick.

Smart Design for Field Operations

• Modular ballast system for perfect trim
• Choice of neutral or negative buoyancy tethers
• Available float options for 400 m or 2 km depths
• Complete tool kit for field maintenance
• Two watertight rugged cases for safe transport
• Full 2-year limited warranty backing

Frequently Asked Questions

What sets the Defender apart from other ROVs in the market?
Seven thrusters and active pitch control give you precision other ROVs can't match, plus the modular design means you can reconfigure for different jobs on the fly.

How deep can Defender go?
Depth ratings are configurable to your needs. Have a yarn with the J3Seven team about your specific requirements.

Will it work with the control system already on hand?
Yes, the Defender plays nice with leading control software including Greensea Systems and Seebyte.

What's involved in getting the crew trained up?
Comprehensive training gets your team certified and confident, with ongoing support to keep you operating at peak efficiency.

How quickly can you get going?
The modular design means fast deployment and quick changes in the field - no mucking about.

Ready to Step Up Your Underwater Operations?

The Mission Specialist Defender stands ready to revolutionise your underwater operations. Get in touch with J3Seven's specialist team to:

• See the full technical specs
• Configure it for your specific missions
• Learn about training programs
• Discuss procurement options

Don't let subpar equipment hold your operations back. Ring J3Seven today and discover how the Defender can transform your underwater capabilities.