World Leading MiniROV Manufacturer


Search & Rescue
Rapid response system
Search & Recovery
Keeping divers out of harm's way
Risk Assessment
Risk Assessment
Preventative analysis

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Popular SciencePopular Science Feb, 2011 features SARbot® as the new jaws of life.

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SeaBotix has developed a rapid response remotely controlled underwater rescue tool to save lives.

SARbot Front
SARbot Side
Reel & Tether
SARbot system

  • Key Features
  • Rescue Theory
  • Specifications
  • System Contents
  • Options

Remotely Saving Lives
The SARbot® is a solution to remotely rescue people in the water without putting more people in harm's way. Rapid setup, intuitive to use, capable, reliable. Developed in conjunction with leading UK Fire & Rescue teams.


Powerful design for demanding conditions

The SARbot®is a highly stable small ROV platform equipped with powerful Brushless DC thrusters. 4-axis control provides the operator with total maneuverability. The SARbot® has been tested in demanding conditions with exceptional results.


High resolution black water imaging sonar

To locate drowning victims in poor to black water conditions the SARbot® is equipped with the Tritech Gemini 720i multibeam imaging sonar. The high resolution image and wide angle field of view make target acquisition quick and intuitive.


Specially designed limb grasping mechanism
A specially designed and feature patent pending grabber has been designed to grasp the limbs of drowning victims. Additionally, the ultra strong tether (100kg f working load) is cable of pulling the victim to the surface without risk of damage or breaking.


Battle hardened integrity
The SARbot® system are built on the industry leading LBV series of MiniROV systems. Designed and tested in cooperation with the UK Fire & Rescue the SARbot® has proven its capability and reliability.


Features and more features
Very fine detail and care has been implemented into the SARbot® system design. Little features like night time strobe, reflective tape, tool less adjustable grabber, electrical connectors all lend to the ease of setup, deployment and success. No other system offers the level of development as the SARbot®.


The theory behind the development of the SARbot® system was in response to the "golden hour" in rescue of drowning victims. UK Fire & Rescue came to SeaBotix in need of a solution to the more than 700 drowning's that occur each year in the UK. Slightly unique to the UK is its dense population for such a small country and the fact that virtually all water is below 21ºC (69.8ºF).

Golden Hour
Medical research and studies have proven that people can survive near drowning without permanent damage. Essentially the theory revolves around colder water rescues (less than 21ºC/69.8ºF) where the person is recovered from the water in under 60 minutes. Some have shown that the amount of time could reach 90 minutes. It does vary from person to person. The rescued victim is not resuscitated immediately, but over a period of approximately 48 hours.

Rescuing Remotely
Given that in many circumstances a rescue team can be onsite within 10-15 minutes of the person entering the water the obstacle becomes how to recover to the surface without putting rescue personnel in harm's way. Many rescue teams are not permitted or trained as divers and therefore must look to technology for the solution.

A typical drowning in the UK is one where a person is intoxicated and enters the water unknowing its cold temperature. The shock of the cold water causes the person to inhale water until the lungs are full and thus the person drowning.

With most drowning victims found within 10-15 meters (30-50ft) of their last seen position the search area is quite small. The SARbot® system offers rapid setup (less than 4 minutes). Once deployed the SARbot® is flown along the surface to the approximate sighting. There it dives while viewing real time the video and high resolution imaging sonar on one big screen. As the SARbot® dives the operator rotates the unit to pan for hopeful acquisition of the drowning person. Once located the SARbot® travels to the victim until visual is possible where the limb grasping jaws are able to attach to the person.

Once attached the person is pulled to the surface with the incredibly strong tether where medical attention can begin. All this is possible without putting anyone in the water or in harm's way. Simple to operate and setup by two persons.

Additional Tools
To ensure operators are capable, initial training programs are conducted.

For night time operations as many are there are simple yet useful features added. A blue strobe is fitted to the top of the SARbot® along with reflective tape. This allows the rescue personnel to see the SARbot® as it travels along the surface at night to the location.

Medical References

MedicalDr Martin J. Nemiroff
“Cold Water near-drowning is more survivable than previously thought. Submersions as long as an hour can be fully resuscitated. Cold water may be protective to some body systems as oxygen needs are markedly reduced”

Dr David S. Smith
“Persons underwater in a hypothermic condition for up to (and sometimes more than) 1 hour may be alive, yet they may have no observable vital signs”

The American College of Chest Physicians
“Severe, rapid hypothermia can occur during drowning in cold water. Hypothermia provides cerebral protection from hypoxia, permitting total recovery with appropriate CPR and Intensive Care”

The Joint Royal Colleges Ambulance Liaison Committee
UK Ambulance Service Protocols for the Immersion Incident
As survival has been recorded after prolonged submersion, resuscitation and transport to hospital should be undertaken in all cases of near drowning. Only if the victim is discovered in cardiac arrest 1.5 hours or more after having entered the water should the fact of death be presumed.

Dr John Stephenson
“As Chair of the Directors of Clinical Care for UK Ambulance Services and Medical Director for EMAS I would support the development of a deep water rescue service as currently there is no provision for the safe extrication of casualties who are underwater. The evidence suggests that recovery can occur after up to 90 minutes of immersion, this group of patients are currently left without access to professional help.”

Depth Rating
150 Meters Seawater (MSW) - 500 Feet Seawater (FSW)
550 mm - 21.6 in (grabber retracted)
250 mm - 9.8 in
368 mm - 14.5 in (not including strobe)
445 mm - 17.5 in
Weight in Air
17.4 kg - 38.4 lbs
Polyethylene bumper frame

Thruster configuration
Four (4) Brushless DC thrusters - Two (2) forward, one (1) vertical and one (1) lateral. Each thruster is identical and isolated
Bollard Thrust (forward)
8.5 kgf - 18.7 lbf
Bollard Thrust (vertical)
3 kgf - 6.6 lbf
Bollard Thrust (lateral)
3 kgf - 6.6 lbf
>3 knots - 3.45 mph - 1.54 m/s (fully equipped)

Cameras & Lighting
Camera Tilt
180 degrees - internal chassis rotates
Range of View
270 degrees - 180 degrees from tilt, 90 degrees from camera lens
680 line high resolution color
Manual focus control via hand controller. 90 mm to infinity
Video Format
Output Signal
Internal Lighting
700 Lumen LED array. Variable intensity via operator control unit., tracks color camera

Control/Navigation System
Hand controller, monitor, PC and surface power supply built into protective case
51 cm - 20 in sunlight readable wide screen color LCD, transflective
Heading, depth, temperature
Auto Functions
Depth, heading, trim

Hand Controller
210 mm - 8.3 in
160 mm - 6.3 in
75 mm - 3 in
650 grams - 1.4 lbs
Single - forward, reverse, rotate left, rotate right, roll left, roll right
Joystick Steps
Vertical Thruster
Proportional control knob
Additional Controls
Membrane keypad - thruster gain control, trim, auto depth, auto heading, camera tilt, camera focus, camera switch, light On/Off, light intensity, accessories, video overlay position, power On/Off, programming keypad
I.P. 64 - splash proof

Integrated Control Console
554 mm - 21.8 in
452 mm - 17.8 in
274 mm - 10.8 in
30 kg - 66 lbs
Input Voltage
100-130 VAC or 200-240 VAC
Power Requirement
1,300 Watts maximum
Isolated input power, circuit breaker, line insulation monitor, leak detector. Meets and exceeds "Code of Practice for the Safe Use of Electricity in Water"
Water Proofing
I.P. 64 - Splash proof
2.15gHz Intel Core Duo 2 or greater
2GB RAM or greater
Hard drive
80GB Solid state
Waterproof, illuminated
Operating System
Windows XP Pro

Tether & Reel
8.9 mm - 0.35 in nominal
150 m - 500 ft
Working Strength
100 kgf - 220 lbf
Breaking Strength
700 kgf - 1,543 lbf
Strength Member
Neutral in fresh water - slightly positive in seawater
Heavy duty reel with slip ring

On-Screen Information Display
Information Displayed
Thruster gain settings, light level, Trim On/Off, heading, depth, turns counter, camera angle, water temperature, time, date, user text
User Text
Up to 28 characters
Bottom, top or off
Quick menu, setup, calibrate, diagnostics, options

Spares, Tools and Manuals
Spares Contents
Fastener kit, seal kit, propellers, gel lube, Kluber grease, acrylic polish, fuse
Tool Contents
1.5, 2, 3, 4, 5 mm hex ball drivers, #1, #2 Phillips screw drivers, 10 mm socket driver, small straight blade screwdriver, 11/16 socket, 19 mm open end, O-ring insertion tool, vacuum pump
Operators manual, service and repair CD-ROM



  • rLBV150-4 vehicle depth rated to 150 MSW - 500 FSW
  • Four (4) HPDC1502 Brushless DC thrusters (2 forward, 1 vertical and 1 lateral)
  • Auto heading, depth and trim
  • Video overlay
  • Temperature sensor
  • Strobe
  • Grabber with limb grasping jaws
Integrated Control Console

Integrated Navigation/Control System

  • Protective case fitted with monitor, surface power supply, operator control unit and PC
  • 50 cm (20 in) sunlight readable color LCD monitor fitted in lid of case - waterproof
  • LBV operator control unit - removable from lower tray of integrated console
  • Surface power supply with input voltage 100-130 VAC or 200-240 VAC (user selectable). 50/60hz
  • Outputs for composite video and USB 2.0
Umbilical 100m

Tether & Reel

  • 150 meters - 500 feet of tether
  • 8.9 mm - 0.35 in diameter
  • 100 kg f - 220 ft/lb working load
  • 700 kg f - 1,440 ft/lb breaking strain
  • Connectors and strain relief
  • Heavy duty reel with slip ring
LBV150SE Front

Cameras, Lighting & Sonar

  • 680 line high resolution color
  • 700 Lumen LED array tracking color camera
  • 2 x 1080 Lumen LED arrays externally mounted
  • 180 degree rotating camera chassis
  • 270 degree field of view
  • Tritech Gemini 720i multibeam sonar
LBV150-4 Cases

Transit Cases

  • Transit case for LBV with custom closed cell foam, retractable handle and wheels
  • Transit case for tether on reel, spares/tool kit and manuals with retractable handle and wheels

Spares, Tools & Manuals

  • Fasteners, seal kit, props, misc. spares
  • Tool kit
  • Vacuum pump
  • Operators manual


  • Two year limited warranty
  • 24 hour technical support

There are a variety of options available for the SARbot® system to match your exact requirements and mission planning. Listed are currently available options. Custom options are available upon request.


Tritech Micron Nav USBL tracking system
The SARbot® system is provided "Micron Nav Ready" with a connector already fitted. For applications such as risk assessment, search and recovery or other tracking missions the Micron Nav is ideal. Provides real time position of the ROV while in the water.

Learn more


Tritech StarFish 990F Side Scan
In response to the requirement to search for drowning persons Tritech International has released an ultra high resolution 1mHz side scan sonar for large area searches. An ideal compliment to the SARbot® system.


Longer Tether Length
Increased tether length of 250 meters (820ft) total is available for longer excursions that might be required. The provided reel has the capacity to handle the longer tether.


Grabber attachments
To provide versatility the grabber can easily be fitted with various attachments including a cutting tool, parallel jaws, small interlocking jaws and three jaw. Each attachment fits to the standard grabber in minutes.

Learn more


As simple as the LBV systems are to operate nothing replaces training. SeaBotix offers various training programs to suit both onsite or at our waterfront facility in San Diego, CA.

Learn more

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