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ession 4: ROV/AUV Deployment and Interoperability


Moderator: Stephen Mc Phail (NOC)


  • ROV Kiel 6000 on R/V L'Atalante : Experiences and Results - Friedrich Abegg (IFM GEOMAR)




Abstract: Due to technical problems with the German research vessel “Maria S. Merian” in late 2007 the German Science Foundation (DFG) and its associates chartered the N.O. “L’Atalante” for four legs during the period November 2007 - March 2008. The first two legs saw the first scientific deployments of the new German 6000m ROV “Kiel6000” for hydrothermal research. The system is transported in 5 containers, of which at least three (control, winch, workshop/power) needed to be installed on deck. Four days mobilisation in Toulon enabled us to complete this installation and prepare the A-frame to take the Kiel deployment cradle. The ROV operates in free-flying mode without a tether management system.

Most dives were carried out to around 3000m water depth. During the first leg 8 dives were successfully completed, with deployment being possible even in relatively high sea-state. The combination of the deployment cradle and the Atalante vehicle recovery winch was particularly effective - plans are being made to implement a similar system on German research vessel, one of the many positive outcomes of this international cooperation. The ROV was navigated underwater using the Posidonia system installed on “L’Atalante” - during Leg 1 this system behaved less than optimally, intensive work by the ship´s technicians meant that during leg 2 the system worked perfectly for 10 out of the 11 dives completed.

Scientifically, Leg 1 yielded much information about the Logatchev hydrothermal field located 14°45’ N on the Mid-Atlantic Ridge (MAR). The main focusses of the ROV dives were recovering and re-deploying seafloor geophysical stations (tilt-meters, long-term temperature measurement devices) and biological and fluid sampling.

The second leg studied the hydrothermal systems and deeper crustal exposures on the southern MAR at approximately 5° S. In addition to the tools used on Leg 1, the second leg saw the installation of a slurp gun and an isobaric sampler including trigger mechanism. This leg also saw the ROV attain its greatest depth to date: -4890m. Indeed this is a depth record for the ROV manufacturer Schilling and accordingly brought some of the system components into operating conditions which they had not previously experienced, leading to technical insights.

In the talk we will briefly summarise the technical equipment and our experiences with the new ROV Kiel 6000.
Presentation: < Session4-Abegg-ROV-Kiel.pdf >

Movie clip: < komplett.mpg >


  • Using Victor 6000 on board R/V Sarmiento de Gamboa - Arturo Castellon (UTM/CSIC)




Abstract: The R/V Sarmiento de Gamboa was designed with the capacity to operate the deep-ocean ROV from Ifremer Victor 6000. Design of several devices and gears, together with ship’s design requirements, were applied for load and operation of Victor 6000: as maximum deck load of 120 Tons for ROV equipment. Adaptation of the deck for ROV installation and operation, as well as the design of the stern “A” frame, were necessary. Also, specification of power lines and navigation aids (USBL, DP) were done following the recommendations and guidelines of Ifremer. The shipyard (C.N.P. Freire) and other companies participated on these design and development.

The vessel was finished on July 2007. In January 2008, a test cruise was carried on in French waters, close to Toulon Ifremer base at 2000 m depth. Three test dives were done: fixed point survey, line survey and a recovery operation. The cruise was a complete success and today, with the exception of some minor modifications and accessories, R/V Sarmiento de Gamboa and its crew is prepared for using this ROV in scientific cruises.


Presentation: < Session4-Castellon.pdf >

  • QUEST 5 and 7 LARS system - Friedrich Abegg (IFM GEOMAR) and Volker Ratmeyer (MARUM)





Presentation: < Session4-Abegg-QUEST-LARS.pdf >





Presentation: < Session4-Ratmeyer-Quest.pdf >
Movie clip: < floats.avi >
Movie clip: < recovery_nights.avi >



  • Underwater System Deployment from R/V Pourquoi Pas? – Olivier Lefort (Ifremer)




Presentation: < Session4-Lefort.pdf >
Movie clip: < deploiement_Pp.avi >

  • MeBo Drill Rig: Mobilization on Celtic Explorer, Status and Lessons Learned - Bill Dwyer (P&O Maritime Services Ireland Ltd) and Volker Ratmeyer (MARUM)




Presentation: < Session4-Dwyer.pdf >
Movie clips: < Chain Capstan.avi > < LARS1.avi > < LARS2.avi >

< In the water.avi > < Robotic arm.avi > < Fit tool.avi > < Drilling.avi >



Presentation: < Session4-Ratmeyer-MeBo.pdf >



  • CALMARS: a Solution to Facilitate the Interoperability and to Increase the Operational Capacities of Autonomous Unmanned Vehicles - Marc Luccioni (Ifremer)




Abstract: The paper describes CALMARS concept, its presents applications and prospects offered by this system to optimize the AUVs operations.

i) Problem statement: Ifremer AUVs AsterX and IdefX are tools that can be operated from European research vessels including small opportunity ships. The requirement is to realise a quick and safe launch and recovery at surface level without swimmers, divers or small boats involved; it must be used with no specific support.

ii) CALMARS concept : the CALMARS concept optimises the sea deployment with a simple, low cost and easily transportable system. It is an answer for the interoperability problem. This system is very flexible. It can be used with any of the sea equipment lifts: A frame, classical LARS, crane and gantry equipped or not with docking system. It can be used whatever the height between the main deck and the sea level.

iii) Applications: based on the CALMARS concept, we developed the CALISTE project. The CALISTE cage is designed as an autonomous floating “swinglebar” to protect AUV by separating it from the ship’s heaving during the AUV capture or launch. In the first phase of recovery, we use an active or passive system to catch a tow line integrated in the nose of the AUV at a secure distance from the ship. Then, we use a capture mechanism floating as the vehicle and decoupled from the vessel movements. A light integrated winch pulls the AUV towards the cage and a funnel-shaped device leads the AUV and lines it up with the cage. Then, the AUV is docked and locked into the cage. After this operation, the CALISTE cage and the AUV are lifted on board.The links with the platform are very simple, only ropes. The capture mechanism is a high-reliability system no longer than AUV. This system does not use complicated device on the AUV. The technology is installed on the cage CALISTE for the benefit of the AUV payload. This device is patented. It benefits for civil and military operations using AUV with torpedo architecture, equipped or not with external appendices as fins or mast. The system can be used from small ship as RV EUROPE or like the RV POURQUOI PAS? A prototype was built at the end of 2007 and tested successfully with an AUV like AsterX. Today, this tool is employed for launching and recovery operations but also to realize the maintenance on the deck.

iv) Develoment and potentialities: the achievements issues of the CALMARS concept and the device CALISTE are able to be used to ample applications. Originally developed for L&R operations, we propose to use this development to design rallying points for unmanned autonomous vehicles, on the sea surface or on the bottom of the ocean. These bases could make a submarine network. They will be used to recharge accumulators and for data transmission and how, extend the operational capabilities of AUVs in particular for very large inspection fields.

Presentation: < Session4-Luccioni.pdf >


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