Page 4: of Marine News Magazine (April 2012)

POSTMASTER Time Value Expedite MarineNewsISSN#1087-3864is published monthly, 12 times a year by Maritime Activity Reports, Inc., 118 East 25th Street, New York, N. Y. 10160-1062. The publisher assumes no responsibility for any misprints or claims and actions taken by advertisers. The publisher reserves the right to refuse any advertising. Contents of this publication either in whole or in part may not be reproduced without the express permission of the publisher. POSTMASTER: Send address changes to MarineNews,118 East 25th Street, New York, N.Y. 10160-1062. MarineNewsis published monthly by Maritime Activity Reports Inc. Periodicals Postage paid at New York, NY and additional mailing offices. ISSN#1087-3864 USPS#013-952Florida:215 NW 3rd St., Boynton Beach, FL 33435tel: (561) 732-4368; fax: (561) 732-6984New York: 118 E. 25th St., New York, NY 10010 tel: (212) 477-6700; fax: (212) 254-6271www.marinelink.com TO SUBSCRIBE:Subscriptions to Marine News(12 issues per year) for one year are available for $49.00; Two years (24 issues) for $64.00. Send your check payable to: MarineNews, 118 E. 25th St., New York, NY 10010. For more information email Kathleen Hickey at: [email protected] C. OMalley ? [email protected] Publisher & Editorial DirectorGreg Trauthwein ? [email protected] Keefe ? [email protected]: 704-661-8475 Contributing WritersSusan Buchanan ? Raina Clark ? Lawrence R. DeMarcay, III Frederick B. Goldsmith ? Randy ONeill ? Jim Shirley PRODUCTIONProduction ManagerIrina Tabakina ? [email protected] Intern Nicole Ventimiglia ? [email protected] President, Sales & MarketingRob Howard ? [email protected] Administration & Office Manager Rhoda Morgan ? [email protected] & Event CoordinatorMichelle Howard ? [email protected] Sales ManagerDale Barnett ? [email protected]: 212-477-6700Advertising Sales ManagersNational Sales ManagerJack Bond ? [email protected]: 561-732-1659 Fax: 561-732-8063 Lucia Annunziata ? [email protected] Terry Breese ? [email protected]: 212-477-6700 Fax: 212-254-6271Tel: 561-732-1185 Fax: 561-732-8414 Perry Grant ? [email protected] Trauthwein ? [email protected]: 561-732-0312 Fax: 561-732-9670Tel: 631-472-2715 Fax: 631-868-3575 Mike Kozlowski ? [email protected]: 561-733-2477 Fax: 561-732-9670 Managing Director, Intl. Sales Paul Barrett ? [email protected]: +44 1268 711560 Fax: +44 1268 711567 Uwe Riemeyer ? [email protected]: +49 202 27169 0 Fax: +49 202 27169 20 CORPORATE STAFFManager, Accounting Services Rhoda Morgan ? [email protected], Public Relations Mark OMalley ? [email protected], Marketing Jocelyn Redfern ? [email protected], Info Tech Services Vladimir Bibik [email protected] ManagerKathleen Hickey ? [email protected] MarineNewsLegal18Marine SalvorsSpill Responders of First Resort: Restating the case for salvors responder By Jim Shirley Finance22Charterer as Underlying Credit By Richard J. Paine, Sr. Safety & Audit24Voyage Planning 101 Calculating Under Keel Clearance & Minimum Air Draft Requirements By Captain Katharine Sweeney 6Editors Note 16Dredging Update on the Lower Mississippi River ? By Sean M. Duffy, Sr. 60Rutters Oil Spill Response Solution 62Onboard DC Grid 64Engine Room Redefined 65People & Company News 68Products 72Directory 75Classifieds 80AD Index (Photo: SeaTel)On the CoverTodays workboats and other inland vessel operators are not only seeing business pick up ?they are also modernizing their fleets at the same time. Our cover photo (courtesy Sea Tel) shows a modern OSV with full SAT- COM capabilities. See the Satcom Feature starting on page 50