Chelsea Technologies Group  is the world's leading designer & manufacturer of towed oceanographic platforms. These  undulating platforms have to date gathered millions of  miles of ocean data.  

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Chelsea Technologies Group  is the world's leading designer & manufacturer of towed oceanographic platforms. These  undulating platforms have to date gathered millions of  miles of ocean data.  
Please click  images below for detailed product information.
 


Click to go to the AQUAshuttle Mk II  towed oceanographic vehicle page.

Click to go to the Nu-Shuttle towed oceanographic vehicle page

Click to go to the SeaSoar towed oceanographic vehicle page Click to go to the Continuous Plankton Recorder body page

AQUAshuttle III 

Stable, highly robust, undulating vehicle, capable of tow speed from 8-25knots. The vehicle will undulate  from the surface to 120 metres.

Nn-Shuttle

Nn-Shuttle is a low cost, large payload vehicle which can be towed from research vessels & ships of opportunity at speeds of 5-15 knots, to operational depths of 150m.

SeaSoar II

SeaSoar is the world's leading open ocean towed undulating data acquisition vehicle. It  is capable of undulating from the surface to 500 metres at tow speeds of up to 12 knots.

SAHFOS CPR

The Continuous Plankton Recorder is extremely robust and is ideal for ships of opportunity use. It can be towed at a depth of 10 metres at speeds of 15 to 20 knots.  

Why do 60 of the world's research institutes turn to Chelsea to provide towed vehicle systems? click

click for more information on:
Click to go to pages descripting winches in detailDeployment - winches, cables & fairing
Click to go to pages showing CTG's range of Deck UnitsDeck Units
Click to download leaflet showing all the vehicles in the CTG portfolioOverview of all vehicles
(PDF)
Click to view video of SeaSoar in actionVideo of SeaSoar in action (2 minutes)

Vehicle Specification Comparisons.

 

AQUAshuttle III

Nn-Shuttle

SeaSoar 

CPR 

Length:

1.39m

1.3m

1.5m

1.25m

Width:

0.38m

0.5m

1.60m

0.30m

Height:

0.50m

0.575m

0.98m

0.45m

Weigh in Water:

66kg

72kg

150kg

70kg (in air)

Towing Speed (knots):

8 to 25 

5 to 15 

6.5 to 12 

15 to 20 

Depth Range:
(unfaired cable)

0 to >120m

0 to >160m

0 to 500m

0 to 10m

Depth Range: (faired cable)

0 to 65m

0 to 80m

0 to 100m

n/a

Dive/Climb Speed:

up to 1m/s

up to 2m/s

up to 3m/s

n/a

.

Chelsea has a vehicle to suit your needs and budgets

CTG can offer small portable systems for use from small research vessels or ships of opportunity to large, dedicated systems that are permanently installed on ocean going research ships.

CTG has always adhered to a 'system building approach' within its oceanographic bodies, communications and instrumentation range. This enables clients to start with a basic system, which can be augmented, if required, when further funds become available. As part of this 'starter pack' approach we can investigate the possibility of utilizing a client's existing instrumentation or deck equipment in order to minimize cost. We can also offer complete turn-key systems comprising of a complete instrumentation package, vehicle, tow cable, winch and data acquisition package to cover specific user needs.

.

With over 150 towed vehicle systems in use worldwide 
CTG's reputation for reliability is truly unequalled

CTG has been at the forefront of the design, manufacture, supply and commissioning of commercial quality, towed undulating instrumentation platform and systems for over  30 years.   

Such success is perhaps not surprising in view of the benefits these tools offer both scientists and surveyors. The sheer quantity of data that can be reliably collected from these vehicles while a vessel is underway, has led to the sale of more than 150 towed vehicle systems to research, commercial and defence organizations around the world.  

CTG vehicle have collectively traveled millions of kilometers through the oceans and seas, demonstrating an impressive reliability record and generating a wealth of operational experience, offering a simple robust method of mapping the upper ocean layer as well as mapping coastal characteristics.


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