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Associate Publisher Gregory R. Trauthwein • trauthwein@marinelink.com Associate Editor • Jennifer Rabulan rabulan@marinelink.com Technical Editor David Tinsley Contributing Editor Dennis L. Bryant Senior Maritime Counsel, Holland & Knight Editorial Consultant James R. McCaul, president, International Maritime Associates Editorial Intern Kate Queram queram@marinelink.com PRODUCTION Production Manager John Guzman guzman@marinelink.com Asst. Production Manager Irina Tabakina tabakina@marinelink.com ADVERTISING SALES Senior Vice President, Sales Rob Howard howard@marinelink.com Tel: (561) 732-4368; Fax: (561) 732-6984 Senior Vice President, Sales Brett W. Keil bkeil@marinelink.com Tel: (561) 732-1185; Fax: (561) 732-8414 Vice President of Sales Lucia M. Annunziata annunziata@marinelink.com Classified Ad Sales Dale L. Barnett barnett@marinelink.com Tel: (212) 477-6700 Sales Administration Manager Tina Veselov veselov@marinelink.com Sales Assistant Rhoda Morgan morgan@marinelink.com Manager, Accounting Services Esther Rothenberger rothenberger@marinelink.com Manager, Public Relations Mark O’Malley momalley@marinelink.com Manager, Information Technology Services Vladimir Bibik bibik@marinelink.com CIRCULATION mrcirc@marinelink.com PUBLISHERS John E. O’Malley John C. O'Malley jomalley@marinelink.com International Sales Operations Managing Director, International Sales TONY STEIN 12, Braehead, Bo'ness, West Lothian EH51 OBZ, Scotland, U.K. Tel: +44 (0) 1506 822240; Fax: +44 (0) 1506 828085 Germany/Switzerland TONY STEIN stein@marinelink.com Tel: +44 (0) 1506 822240; Fax: +44 (0) 1506 828085 Japan KATSUHIRO ISHII Ace Media Service Inc., 12-6, 4-chome, Nishiike, Adachi-ku, Tokyo 121, Japan, Tel: +81 3 5691 3335; Fax: + 81 3 5691 3336 Korea JO, YOUNG SANG biscom@unitel.co.kr Business Communications, Inc., Kwangwhamun P.O. Box 1916, Seoul, Korea Tel: +82 2 739 7840; Fax: +82 2 732 3662 Scandinavia ROLAND PERSSON/roland@orn.se ÖRN MARKETING AB, Box 184, S-271 24 Ystad, Sweden Tel: +46 411-184 00; Fax: +46 411 105 31 Spain JOSE LUIS SEVA jlseva@viaexclusivas.com Via Exclusiuas Albasanz, 14 Bis 3 a planta, 28037 Madrid, Spain Tel: +34 91 448 76 22; Fax: +34 91 446 02 14 CHARLES E. KEIL, Vice President, International Operations 215 NW Third Street, Boynton Beach, FL 33435 Tel: +561-732-0312; Fax: +561-732-8063 24-hr Tel/Fax: +561-998-0313; Mobile Tel: +561-716-0338 e-mail: ckeil@marinelink.com NEW YORK 118 E. 25th St., New York, NY 10010 Tel: (212) 477-6700; Fax: (212) 254-6271 e-mail: mren@marinelink.com Web: Internet: www.marinelink.com FLORIDA 215 NW 3rd St., Boynton Beach, FL 33435 Tel: (561) 732-1659 Fax: (561) 732-6984 MARITIME REPORTER AND ENGINEERINGNEWS Contents 2 26 18 Circle 270 on Reader Service Card Government Update 9 Harbor Maintenance Tax: Continuation or Termination Dennis Bryant discusses the often controversial harbor mainte- nance tax ... its past, present and future. Marine Propulsion 18 Keeping Things Quiet While the military has long coveted quiet ships, underwater noise is becoming a commercial concern. — By Michael Bahtiarian, Noise Control Engineering 26 Exotics in Marine Propulsion Profile of marine propulsion innovations, both short and long- lived. Investment in Design 30 Icebreaking Innovation Marine technology for ice conditions results in some of the most rugged marine vessels ever. — By David Tinsley, Technical Editor Software Solutions 45 Efficiency Behind the Scenes As shipowners and operators face increasing requirements for operational security and efficiency, software developers step to the plate to deliver advanced solutions. Plus 41 New Products 43 Hurricane Katrina Leaves Wake of Destruction 51 Internet Resources Guide 43 MR SEPTEMBER 2005 #1 (1-8).qxd 9/1/2005 1:27 PM Page 4
