Sea Technology

JUN 2017

The industry's recognized authority for design, engineering and application of equipment and services in the global ocean community

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www.sea-technology.com June 2017 / st 5 The Worldwide Information Leader for Marine Business, Science & Engineering SEA TECHNOLOGY® ©Copyright 2017 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 offices. Subscrip- tions may be purchased at the following rates: domestic, $60 one year; $80 two years; foreign air mail, $136. Single copies $4.50 plus shipping and handling (current issue only). POSTMASTER: send address changes to Compass Publications, Inc., P.O. Box 600, Deer Isle, ME 04627-0600. CUSTOMER SERVICE, Tel. 1-800-989-5253 or 1-207-348-1057. For more information on these news items, visit our website at www.sea-technology.com. Editorial.......................................................7 Soundings ...................................................9 Capital Report ...........................................45 International..............................................46 Ocean Business.........................................48 Navy Currents ...........................................51 Product Development ...............................52 Offshore Oil & Ocean Engineering............50 Environmental Monitoring.........................60 Marine Resources......................................58 Marine Electronics.....................................56 Ocean Research ........................................54 Soapbox ....................................................67 Books ........................................................61 Meetings ...................................................62 Contracts...................................................63 People .......................................................64 ST Looks Back ...........................................65 Professional Services Directory..................62 Advertiser Index ........................................66 COVER—The SonaDive handheld navigation sonar in use by a diver in St. Fausse sur Mer, France, for an environmental study on the impact of treated water on underwater life. (Photo Credit: Créocéan) NEXT MONTH—Deep-ocean battery without special housing ... Transferring knowledge from offshore oil and gas to the offshore renewables market ... Customized battery solution to meet high power needs of RV Sir David Attenborough ... Multi- frequency, high-resolution seismic survey for cable route planning ... Cable transits for wireless communications ... Salvaging the wreck of the Spirit of Sacramento. Editor's Note: We received incorrect information for the April 2017 cover caption. It should have been: Platform HI A-389A in the Gulf of Mexico, now located inside the Flower Garden Banks National Marine Sanctuary and soon to be decommissioned and converted into an artificial reef remaining in place at a depth of 60 ft. (Photo Credit: Gregory S. Boland) www.rdinstruments.com Small in Size— BIG on Performance! Introducing the new Pathfinder Doppler Velocity Log (DVL) Enjoy the proven technology, advanced features, and reliability you've come to expect from Teledyne RD Instruments, in a new ultra-compact design. Navigate with confidence. Full details at: www.teledynemarine.com/ Pathfinder_DVL 4" x 9" x 2.8" JUNE 2017, Volume 58, No. 6 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 3D VOLUMETRIC SONAR IMAGING FOR IDENTIFICATION MISSIONS Dr. Jermaine L. Kennedy (Naval Surface Warfare Center Panama City Division) and Dr. Timothy M. Marston (Applied Physics Laboratory University of Washington) introduce advanced 3D imaging on unmanned systems to identify objects on the seabed. 15 HANDHELD SONAR SYSTEM FOR DIVERS Dominique Ropert, Raphaël Bourdon (RTsys) and Alice Vettoretti (freelance) focus on a sonar device that combines navigation, communication and visualization. 18 COMPREHENSIVE SHIP INSPECTION SERVICES Nick Owens (Idwal Marine) explains a new Web portal tool that aids holistic risk assessment of shipping assets. 22 NOIA 2017 ANNUAL MEETING — Conference Review 26 MODEL PREDICTING SEDIMENT TRANSPORT Harshitha Duraisamy, G. Annalakshmi and Dr. S. Sakthivel Murugan (SSN College of Engineering, Chennai) explain how acoustic analysis supports research on India's submerged national treasures. 29 ADDRESSING MUNITIONS IN THE SEA Dr. Margo Edwards (University of Hawaii) and Dr. Sandro Carniel (CNR-ISMAR) recount lessons from the Hawaii Undersea Military Munitions Assessment. 33 RESEARCHERS, SCIENTISTS RELY ON AUVS Shawn Sneddon (Xylem's YSI Integrated Systems and Services) discusses how smaller, faster instrumentation enables real-time mapping and sensing. 37 PASSIVE AUTONOMOUS NAVIGATION FOR EXPLORATION, DEFENSE Paul Madden (navigation consultant) details how to use gravity to aid INS on UUVs. 41 DEVELOPING A MARITIME INTERNET OF THINGS SERVICE Bob Balog, Robert Hopkins and John Croy (KVH) outline the use of big data analytics for remote vessel monitoring and operations.

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