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SYSTEMS, IINIC (Mills) VIRGINIA BEACH fB04) 490-5000 ARLINGTON BREMERTON JACKSONVILLE E^S mmi MCHlTiCTS LAKEHURST SAN DIEGO CHARLESTON PHILADELPHIA SAN FRANCISCO M. ROSENBLATT & SON, IIMC- NAVAL ARCHITECTS AND ffi MARINE ENGINEERS ** Now York City San Francisco 350 Rrudcway 667 Mission Street New Yum. NY 10013 San Francisco, CA 94105 (212: 4.11-6900 (415)77/-0500 Boston Bremerton Philadelphia San Diego HP Washington D.C Honolulu ~ Newport News Oxnard Charleston No-Ioik MHALIMFTI»mmi,.ii ... ,'^^BJIRTSTTSJT^i!m jj STV/SANDERS & THOMAS Marine Engineering • Systems Analysis Consulting/Design Engineering 7900 Westpark Drive 703/893-1339 McLean, VA 22102 SARGENT & HERKES, INC. NAVAL ARCHITECTS • MARINE ENGINEERS 225 BARONNE ST., SUITE 1405 NEW ORLEANS, LA 70112 (504) 524-1612 (QfetuvcttA^ Marine Engineers and Naval Architects P.O. Box 338 Essex, CT 06426 P.O. Box 205 Solomons, MD 20688 Telex: 517931 Seaworthysys 17 Battery PI. N.Y., N.Y. 10004 2 Skyline Place Suite .311 Falls Church. VA 22041 USCG approved • RADAR OBSERVER COURSE USCG approved - FIREFIGHTING SCHOOL Also USCG Exam Prap Courses for CAPTAIN, MASTER. AB, ENGINEER, QMED ........ ^....M....* ail-tun s^w*- 1-800-BEST-0NE SS5'E0N NAVAL SHIP ELECTROMAGNETICS • Electromagnetic Compatability Design • Combat Systems Integration •Topside Design /Antenna Arrangements • Communication Systems Design SENTEL CORP • 6713 Robinia Rd • Camp Springs MD 20748 (301) 449-3630 GEORGE G. rSHARP, INC SYSTEMS ANALYSIS NAVAL ARCHITECTS-MARINE ENGINEERS 100 CHURCH STREET-NEW YORK, N.Y. I0007 13I3] 733-2800 WASHINGTON,D.C. [703] 892-4000 VIRGINIA BEACH,VA. [804] 499-4125 PHILADELPHIA, PA. [609] 772 -OSSS TWX.7IO-58I-275S CABLE! GEO SHARP NYK T.UJ. SPRETGEHS TORSIONAL VIBRATION SPECIALISTS OUR 42ND YEAR SERVING INTERNATIONAL CLIENTS 156 W. 8th Ave. (604) 879-2974 Vancouver, Canada V5Y 1N2 Telex 0455188 FAX: (604) 879-6588 R.A. STEARN INC. NAVAL ARCHITECTS and MARINE ENGINEERS 253 N. 1st Avenue Sturgeon Bay, Wl 54235 Phone (414) 743-8282 TLX 753166, ESL 62388810 STURGEON BAY MODEL SHOP SHIP MODELS SINCE 1941 Wm. L. Herbst I87 N, Ninth Ave. Sturgeon Bay. Wl 54235 DISPLAYS DESIGN MODELS phone 414/894-2859 414/743-2921 414/744-3091 Quality Management, Training, Technical Support, ILS and Marine Engineering Services (smm 15 Locations Worldwide SYSTEMS ENGINEERING ASSOCIATES CORPORATION 200 EAST PARK DRIVE MT. LAUREL, NEW JERSEY 08054 (609)866-2400 SEACOR is a subsidiary of Day & Zimmermann, Inc Trans-International Marine Services Corp. T I M S C O MAINTENANCE MONITORING SYSTEMS INVENTORY CONTROL SYSTEMS P.O. Box 91360 Mobile, Alabama 36691 205/666-7121 rTracor Hydronauticsn INTEGRATED ENGINEERING SERVICES FOR THE MARINE INDUSTRY RESEARCH • DEVELOPMENT DESIGN • TESTING HYDRONAUTICS SHIP MODEL BASIN Tracor Hydronautics 7210 Pindell School Road Laurel, Maryland 20707 Telephone: (301) 776-7454 Telex: 8-7585 \l. Logistic ™LConsultants, Inc. INTEGRATED LOGISTIC SUPPORT SERVICES TRAINING, SUPPLY SUPPORT, TECHNICAL PUBLICATIONS RELIABILITY & MAINTAINABILITY STUDIES CONFIGURATION/DATA MANAGEMENT 3008-C BIENVILLE BLVD., OCEAN SPRINGS. MS 39564 PHONE: (601) 872-2766 FAX: (601) 875-6443 MORGAN CITY, LA OFFICE PHONE: (504) 384-6120 VIBRANALYSIS ENGINEERING CORP • PREDICTIVE MAINTENANCE PROGRAMS • VIBRATION ANALYSIS • FIELD & SHOP BALANCE • ACOUSTICAL CONSULTANTS • COMPUTERIZED DATA COLLECTION • MARINE APPLICATIONS VIBRANALYSIS ENGINEERING CORP 4380 S. Wayside, Suite 100 Houston, TX 77087 713-643-1051 WELDING CONSULTANTS USA 6517 RADBURN, GREENDALE. Wl |414) 421-3252 ST. PETERSBURG, FL. HOUSTON, TX. PROVIDING WELDING ENGINEERING SERVICES TO SHIPS, MACHINERY, HULL, MARINE STRUCTURAL DE- SIGNS, ALTERATION, REPAIRS, CONVERSIONS AND UNDER-WATER STRUCTURES. New Sperry SatCom Antenna Passes Wind Tunnel Testing The Glen L. Martin Wind Tunnel at the Uni- versity of Maryland was the site of extensive testing of the new Sperry Marine MCS2 Satel- lite Communicator antenna recently. Sperry Marine program manager Thom Lewis estab- lished stringent test criteria which exceeded Inmarsat specifications by 25 percent. Measurements were made by distributing 94 pressure taps over the antenna dome surface and the wind tunnel balance system was used to measure drag. The test was videotaped to detect dome deformation under stress conditions. According to Mr. Lewis, no damage or dome deformities resulted at any point during the testing cycle. The antenna, mounted on a stub mast, was subjected to 65, 100, and 125-knot winds, each for a 30-minute duration during which the antenna was rotated through 240 degrees of azimuth Similarly, the strenuous rain tests disclosed no harmful water intrusion. The new antenna design with its documented reliability is supplied as standard equipment with all Sperry Marine MCS2A and MCS2B sat- ellite communicators. For more information and free literature from Sperry Marine, Circle 29 on Reader Service Card SeaArk Marine Delivers Two Transport Barges To State Of New Mexico SeaArk Marine, Inc. (formerly MonArk Boat Company) recently delivered two 20-foot trans- port barges to the New Mexico State Parks and Recreation Division for use as anchor and buoy placement and retrieval boats. The boats are used while maintaining anchors and buoys that identify shallow areas in two New Mexico lakes. In New Mexico the water levels rise and fall so often that the state parks officials regularly move the buoys to mark safe operating areas for recreational boat owners. The boats are also used to relocate courtesy docks. The barges, SeaArk's Model 2408-B, are pow- ered by single 100-horsepower Johnson commer- cial outboard motors and are capable of cruising at up to 35 miles per hour. They feature an "A" frame electric winch operated boom off the for- ward deck to allow the operator to retrieve buoys for maintenance. For free literature giving full details on SeaArk Marine, Circle 68 on Reader Service Card Parkway/Imperial Survival Suits Appoints New Sales Agent Frank Sanger, president of Parkway/Impe- rial, a leading manufacturer of immersion suits, recently announced the appointment of Ameri- can United Marine Corporation, Saugus (Bos- ton), Mass., as its exclusive sales representative to all shipping companies in the Eastern United States and in Canada and Mexico. Imperial was the original manufacturer of the immersion suit in 1974, and currently has 110,000-plus units in the field worldwide. Repair stations are maintained by Imperial in Norway, Washington and New Jersey. The Imperial suits have the following approv- als, according to the Solas 74/83 Requirement: U.S., Canada, Denmark, Norway, Belgium, Italy and the Netherlands. The line is the result of 14 years of experience in the design, testing, manufacture and sales for a variety of users throughout the world. For more information and free literature, Circle 34 on Reader Service Card November, 1988 103