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www.sea-technology.com July 2014 / st 5 The Worldwide Information Leader for Marine Business, Science & Engineering SEA TECHNOLOGY® ©Copyright 2014 by Compass Publications, Inc. Sea Technology (ISSN 0093-3651) is published monthly by Compass Publications, Inc., Suite 1010, 1600 Wilson Blvd., Arlington, VA 22209; (703) 524-3136; FAX (703) 841-0852. All rights reserved. Neither this publication nor any part of it may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior permission of Compass Publications Inc. Periodicals postage paid at Arlington, Virginia, and additional mailing offces. Subscriptions may be purchased at the following rates: domestic, $60 one year; $80 two years; foreign air mail, $129.50. Single copies $4.50 plus shipping and handling (current issue only). POSTMASTER: send address changes to Compass Publications, Inc., P.O. 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Editorial .......................................................7 Soundings ...................................................9 Capital Report ...........................................51 International ..............................................52 Ocean Business .........................................54 Offshore Oil & Ocean Engineering ............56 Navy Currents ...........................................57 Product Development ...............................58 Ocean Research ........................................60 Environmental Monitoring .........................61 Marine Resources ......................................63 Marine Electronics .....................................64 Marine Renewables ...................................65 Meetings ...................................................66 Contracts ...................................................67 People .......................................................68 ST Looks Back ...........................................69 Professional Services Directory ..................70 Soapbox ....................................................73 Advertiser Index ........................................74 COVER— The Bluefn-21 Artemis AUV is hoisted back on board the Australian Navy vessel Ocean Shield, after successful buoyancy testing. Joint Task Force 658 supported Operation Southern Indian Ocean, searching for the missing Malaysia Airlines Boeing 777. BIRNS, Inc. (Oxnard, California) supplied 12 deep submergence custom cable assemblies for the 4,500-meter-rated AUV. (Photo Credit: U.S. Navy/Peter D. Blair) NEXT MONTH— NOAA high-frequency radar surface currents Web product ... Monitoring technique precisely measures reef structure ... Building coastal resilience with OCS sand resources ... Sea ice drift monitoring based on SAR imagery ... Opportunities and challenges for offshore wind ... Conference previews: Euronaval and OCEANS'14. July 2014, Volume 55, No. 7 Visit our website at www.sea-technology.com for online versions of feature articles and news departments. The editorial staff can be contacted at oceanbiz@sea-technology.com. 10 WHERE WINCH TECHNOLOGY MEETS UNDERWATER SOLUTION EXPERTISE Klaus Brix (MacArtney) describes optimizing interactions between the deck and underwater systems. 15 DEEP-SUBMERGENCE ELECTRICAL CONNECTORS FOR 4,500-METER-RATED AUV Amy Brown (BIRNS, Inc.) discusses cable assemblies for high-pressure environments. 19 THE MARINE HYBRID BATTERY IS HERE Grant Brown (Corvus Energy) explains the development of a greener power solution for vessels. 23 SALVAGE PROJECT A SUCCESS WITH PATIENCE AND INNOVATION Jenifer Kimble (freelance) investigates how TITAN Salvage cleared a grounded bulk carrier to restore views in Chile. 27 DUAL GRADIENT DRILLING TECHNOLOGY AT WORK AFTER LONG DEVELOPMENT CYCLE Michael Mulcahy (Michael Mulcahy & Associates, Inc.) outlines how SEA CON contributed connectors and cables to a dual gradient drilling project. 31 NEXT-GENERATION OCEAN DRY MATE CONNECTOR Dave Jenkins (AMETEK SCP) looks into the development of the elite connector series. 35 SUBSEA DATA TRANSMISSION AND ELECTRICAL POWERING Robert Thomas, Adnan Akhtar and Marsha Spalding (TE SubCom) review fexibility for cabled ocean observatories. 39 SIMULATION OF CABLE DYNAMICS FOR MOORED OCEAN PLATFORMS Joana Prat, Marisa Zaragozá and Joaquín del Río Fernández (Universitat Politècnica de Catalunya) describe how modeling aids in the design of a large, underwater power cable. 43 FAILSAFE SLIPS ON SYNTHETIC ROPE Benton F. Baugh (Baugh Consulting Engineers, Inc.) offers a solution for rope internal heating in motion compensation operations. 45 C-BIRD VSAT SYSTEM LINKS SHIP TO SHORE Peter Moses (Maritime Broadband, Inc.) shows how a communications tool can lower costs and boost crew moral. 49 LOW-COST LAUNCH AND RECOVERY SYSTEM FOR QIANLONG I AUV Jianguo Wu, Huixi Xu and Jian Liu (Shenyang Institute of Automation) explore the development of a system to aid deep-sea manganese nodule detection. www.benthos.com A Teledyne Marine Systems Company Introducing the R12K: The most technologically sophisticated release in its class Over 50 years of proven subsea performance and reliability is combined with the latest Teledyne Benthos technology to deliver the assurance you need at full ocean depth. Features • Battery voltage indication, including % charge, available on command • Unit tilt measurement, 180º (+/- 1%) available on command • Positive confrmation of release status on command • Tested to the fully rated 12,000 meter depth See it at Oceans '14 MTS/IEEE Booth 131, 132 Reliable to full ocean depth R12K Acoustic Release