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With over 82 locations in 16 countries, L-3 M&PS is a cohesive, global partner with extensive worldwide capabilities and a proven track record in delivering the highest level of technology, service and integration. Our Marine Services business combines the expertise of L-3 PacOrd, Unidyne and G.A. International to provide global 24/7 service and support in:
• Naval and Commercial shipboard installation, overhaul and repair
• Waveguide fabrication and installation
• Marine circuit breaker overhaul & repair
• Metal fabrication, piping and welding services
• In-service engineering providing overhaul, repair, maintenance, installation and related fabrication
• Logistics
• Document and drawing development
• Project management
• Training support
• Sales, service, installation, modification and certification for commercial fleets and cruise ships.
L-3 M&PS provides 24/7 Service and Support in the USA, and Growing Globally.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Alteration Installation Teams (AIT)
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Unidyne
3835 E. Princess Anne Road
Norfolk, VA 23502
Phone: (757) 855-8037
Fax: (757) 853-3046 |
Cable Burial
L-3 MariPro’s cable burial trencher is a self-propelled water-jet subsea tool designed to provide cost efficient and reliable cable burial to 1.0 meter in water depths to 50 meters (165 ft). The cable trencher’s depressor can be modified to handle a wide range of cable diameters (including split pipe) at burial depths of one meter on a single pass in cooperative soils.
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MariPro, Inc.
1522 Cook Place
Goleta, CA 93117
Phone: (805) 683-3881
Fax: (805) 967-0367
L-3Com.com/MariPro

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Cable Fault Localization
Cable Fault Localization
External aggression on submarine cable remains the primary cause of cable faults. Activity such as fishing, anchoring, geological events, abrasion and dredging make up most external aggression categories. Most faults continue to occur in less than 200m of water depth. High performance fault location techniques are key to achieving economical submarine cable repairs.
Cable faults can typically be classified into the following categories: cable break, open fault, shunt fault or optical fiber fault. Depending on the cable fault category, the method of cable fault localization will vary.
L-3 MariPro engineers are trained in various methods of fault locating techniques such as single end dc measurements, single end capacitance measurements, current-balance method or optical path methods.
State-of-the-art fiber optic and metallic cable fault localization utilizing long-range optical and metallic time domain reflectometers (OTDR & MTRD) are used by experienced L-3 MariPro engineers. Cable faults can be precisely located and characterized in preparation for repair operation scenarios. Post cable installation and repair certification can also be performed.
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MariPro, Inc.
1522 Cook Place
Goleta, CA 93117
Phone: (805) 683-3881
Fax: (805) 967-0367
L-3Com.com/MariPro

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Cable Landings
Cable Landings
MariPro has been responsible for landing of cable systems using a variety of technologies. These range from standard trenched approaches with heavy armor or split-pipe to innovative use of drill-pipe or existing oil or gas lines, and horizontal directional drilling.
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MariPro, Inc.
1522 Cook Place
Goleta, CA 93117
Phone: (805) 683-3881
Fax: (805) 967-0367
L-3Com.com/MariPro

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Cable Repair and Jointing Services
Cable Repair and Jointing Services
L-3 MariPro has developed a modular cable repair and jointing system based on our successful ship-of-opportunity installation concept. A purpose-built, fully outfitted repair and jointing van can be easily transported to a depot and mobilized aboard a vessel. The van is a 6.1 meter, (20 ft) ISO container and is equipped with tools and supplies for on-site cable jointing and repair operations. Available equipment includes fusion splicers, OTDR’s, optical power meters, UQJ/UJ tool kits, swage crimpers, helium leak detectors, injection mold machines, presses, epoxy and urethane encapsulation potting materials, etc. This reduces costs by maintaining a minimum suite of equipment tailored specifically to the cable recovery, jointing, and/or repair task at hand.
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MariPro, Inc.
1522 Cook Place
Goleta, CA 93117
Phone: (805) 683-3881
Fax: (805) 967-0367
L-3Com.com/MariPro

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CAD
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Klein Associates, Inc.
11 Klein Drive
Salem, NH 03079
Phone: (603) 893-6131
Fax: (603) 893-8807
l-3klein.com |
Classroom Instruction
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Unidyne
3835 E. Princess Anne Road
Norfolk, VA 23502
Phone: (757) 855-8037
Fax: (757) 853-3046 |
Commissioning and System Acceptance Testing
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Automation Plant System Service
Diano d'Alba, Italy
+39 0173 468.468
apss.it |
NMS6000, PRO Series Systems
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Dynamic Positioning & Control Systems
12131 Community Rd
Poway, CA 92064
Tel: 603-893-6131
Fax: 858-679-5500 x301
L-3com.com/DPCS |
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Klein Associates, Inc.
11 Klein Drive
Salem, NH 03079
Tel: (603) 893-6131
Fax: (603) 893-8807
l-3klein.com |
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SAM Electronics, GmbH
Behringstrasse 120
22763 Hamburg
Germany
Phone: 01 149 408 8250
Fax: 01 149 408 8254000
Sam-electronics.de
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Valmarine AS
Buskerudveien 129
3027 Drammen
NORWAY
Phone: +47 32218100
Fax: +47 32823857
L-3com.com/Valmarine
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Configuration Management
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Klein Associates, Inc.
11 Klein Drive
Salem, NH 03079
Tel: (603) 893-6131
Fax: (603) 893-8807
l-3klein.com |
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Dynamic Positioning & Control Systems
12131 Community Rd
Poway, CA 92064
Tel: 603-893-6131
Fax: 858-679-5500 x301
http://www.L-3com.com/DPCS
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Ocean Systems
15825 Roxford Street
Sylmar, CA 91342
Tel: (818) 367-0111
Fax: (818) 367-0403
l-3com.com/os
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SPD Electrical Systems
11 Klein Drive
Salem, NH 03079
Tel: (603) 893-6131
Fax: (603) 893-8807
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Generator Sets, Switchboards, Loadcenters, Power and Lighting Panels, Printed Circuit Modules
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Westwood Corporation
12042 E. 60th Street
Tulsa, OK 74146
Tel: (918) 252-0481
Fax: (918) 294-0540 |
| NAVICP BOA Contract all product lines |
Henschel, Inc.
9 Malcom Hoyt Drive
Newburyport, MA 01950
Phone: (978) 462-2400
Fax: (978) 462-4497
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Klein Associates, Inc.
11 Klein Drive
Salem, NH 03079
Tel: (603) 893-6131
Fax: (603) 893-8807
l-3klein.com |
Dipping Sonar Design
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Ocean Systems
15825 Roxford Street
Sylmar, CA 91342
Tel: (818) 367-0111
Fax: (818) 367-0403
l-3com.com/os
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Dive Support and Underwater Construction
Dive Support and Underwater Construction
L-3 MariPro divers have provided professional diving support since their original inception at Delco/General Motors Sea Operations in 1961. L-3 MariPro divers have logged thousands of accident free dives and are committed to safety. The L-3 MariPro diving program was developed based on a desire for direct intervention by skilled and knowledgeable individuals able to support the diverse and specialized nature of L-3 MariPro’s marine projects. This team of divers provides professional and academic support that promotes project success. The typical L-3 MariPro diver is a technical professional or credentialed engineer with over ten years experience in marine installation support.
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MariPro, Inc.
1522 Cook Place
Goleta, CA 93117
Phone: (805) 683-3881
Fax: (805) 967-0367
L-3Com.com/MariPro

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DP Operator/Technician Training
NMS6000

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Dynamic Positioning & Control Systems
12131 Community Rd
Poway, CA 92064
Tel: 603-893-6131
Fax: 858-679-5500 x301
L-3com.com/DPCS |
Drawing Development
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Unidyne
3835 E. Princess Anne Road
Norfolk, VA 23502
Phone: (757) 855-8037
Fax: (757) 853-3046 |
| Ship Control & Communication Systems, Applications, & Software |
Henschel, Inc.
9 Malcom Hoyt Drive
Newburyport, MA 01950
Phone: (978) 462-2400
Fax: (978) 462-4497
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Engineering Design
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SAM Electronics, GmbH
Behringstrasse 120
22763 Hamburg
Germany
Phone: 01 149 408 8250
Fax: 01 149 408 8254000
Sam-electronics.de
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Unidyne
3835 E. Princess Anne Road
Norfolk, VA 23502
Phone: (757) 855-8037
Fax: (757) 853-3046
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Valmarine
Buskerudveien 129
3027 Drammen
NORWAY
Phone: +47 32218100
Fax: +47 32823857
Valmarine.com |
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Unidyne
3835 E. Princess Anne Road
Norfolk, VA 23502
Phone: (757) 855-8037
Fax: (757) 853-3046 |
Fiber Optic Installation
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Automation Plant System Service
Diano d'Alba, Italy
+39 0173 468.468
www.apss.it
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Unidyne
3835 E. Princess Anne Road
Norfolk, VA 23502
Phone: (757) 855-8037
Fax: (757) 853-3046 |
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Valmarine
Buskerudveien 129
3027 Drammen
NORWAY
Phone: +47 32218100
Fax: +47 32823857
Valmarine.com |
Field Engineering
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Automation Plant System Service
Diano d'Alba, Italy
+39 0173 468.468
www.apss.it
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SAM Electronics, GmbH
Behringstrasse 120
22763 Hamburg
Germany
Phone: 01 149 408 8250
Fax: 01 149 408 8254000
Sam-electronics.de |
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Unidyne
3835 E. Princess Anne Road
Norfolk, VA 23502
Phone: (757) 855-8037
Fax: (757) 853-3046 |
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Valmarine
Buskerudveien 129
3027 Drammen
NORWAY
Phone: +47 32218100
Fax: +47 32823857
Valmarine.com |
Field Service
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Automation Plant System Service
Diano d'Alba, Italy
+39 0173 468.468
www.apss.it
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Dynamic Positioning & Control Systems
12131 Community Rd
Poway, CA 92064
Tel: 603-893-6131
Fax: 858-679-5500 x301
http://www.L-3com.com/DPCS
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SAM Electronics, GmbH
Behringstrasse 120
22763 Hamburg
Germany
Phone: 01 149 408 8250
Fax: 01 149 408 8254000
Sam-electronics.de
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Ocean Systems
15825 Roxford Street
Sylmar, CA 91342
Tel: (818) 367-0111
Fax: (818) 367-0403
l-3com.com/os
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Generator Sets, Switchboards, Loadcenters, Power and Lighting Panels, Machinery and Propulsion Controls
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Westwood Corporation
12042 E. 60th Street
Tulsa, OK 74146
Tel: (918) 252-0481
Fax: (918) 294-0540 |
| Support for all Systems and Components |
Henschel, Inc.
9 Malcom Hoyt Drive
Newburyport, MA 01950
Phone: (978) 462-2400
Fax: (978) 462-4497
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Klein Associates, Inc.
11 Klein Drive
Salem, NH 03079
Tel: (603) 893-6131
Fax: (603) 893-8807
l-3klein.com
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Valmarine
Buskerudveien 129
3027 Drammen
NORWAY
Phone: +47 32218100
Fax: +47 32823857
Valmarine.com |
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Unidyne
3835 E. Princess Anne Road
Norfolk, VA 23502
Phone: (757) 855-8037
Fax: (757) 853-3046 |
Hydrophone and Transducer Design & Testing
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Ocean Systems
15825 Roxford Street
Sylmar, CA 91342
Tel: (818) 367-0111
Fax: (818) 367-0403
l-3com.com/os
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Dynamic Positioning & Control Systems
12131 Community Rd
Poway, CA 92064
Tel: 603-893-6131
Fax: 858-679-5500 x301
http://www.L-3com.com/DPCS
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Generator Sets, Switchboards, Loadcenters, Power and Lighting Panels
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Westwood Corporation
12042 E. 60th Street
Tulsa, OK 74146
Tel: (918) 252-0481
Fax: (918) 294-0540
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| Design & development to meet specialize shipboard requirements. |
Henschel, Inc.
9 Malcom Hoyt Drive
Newburyport, MA 01950
Phone: (978) 462-2400
Fax: (978) 462-4497
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Unidyne
3835 E. Princess Anne Road
Norfolk, VA 23502
Phone: (757) 855-8037
Fax: (757) 853-3046
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Valmarine
Buskerudveien 129
3027 Drammen
NORWAY
Phone: +47 32218100
Fax: +47 32823857
Valmarine.com
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Industrial Supports
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Unidyne
3835 E. Princess Anne Road
Norfolk, VA 23502
Phone: (757) 855-8037
Fax: (757) 853-3046 |
Installation Planning and Engineering
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Automation Plant System Service
Diano d'Alba, Italy
+39 0173 468.468
www.apss.it
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Installation Planning and Engineering
Adequate planning is the cornerstone to every successful marine installation. L-3 MariPro engineers plan every project with the goal of minimizing risk and maximizing success. This goal is accomplished by involving engineers from the installation team in the design, build and test phases of the system. This practice insures that each system is designed and built for “install-ability”.
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MariPro, Inc.
1522 Cook Place
Goleta, CA 93117
Phone: (805) 683-3881
Fax: (805) 967-0367
L-3Com.com/MariPro

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SAM Electronics, GmbH
Behringstrasse 120
22763 Hamburg
Germany
Phone: 01 149 408 8250
Fax: 01 149 408 8254000
Sam-electronics.de
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Valmarine
Buskerudveien 129
3027 Drammen
NORWAY
Phone: +47 32218100
Fax: +47 32823857
Valmarine.com |
Integrated Logistics Support
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SAM Electronics, GmbH
Behringstrasse 120
22763 Hamburg
Germany
Phone: 01 149 408 8250
Fax: 01 149 408 8254000
Sam-electronics.de
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Integrated Logistics Support for Dipping Sonar (HELRAS and AQS-18A) and Towed Array (TB23) Products
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Ocean Systems
15825 Roxford Street
Sylmar, CA 91342
Tel: (818) 367-0111
Fax: (818) 367-0403
l-3com.com/os
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Unidyne
3835 E. Princess Anne Road
Norfolk, VA 23502
Phone: (757) 855-8037
Fax: (757) 853-3046
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Propulsion Systems, Generator Sets, Switchboards, Loadcenters, Power and Lighting Panels
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Westwood Corporation
12042 E. 60th Street
Tulsa, OK 74146
Tel: (918) 252-0481
Fax: (918) 294-0540
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| All Product Lines |
Henschel, Inc.
9 Malcom Hoyt Drive
Newburyport, MA 01950
Phone: (978) 462-2400
Fax: (978) 462-4497
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Klein Associates, Inc.
11 Klein Drive
Salem, NH 03079
Tel: (603) 893-6131
Fax: (603) 893-8807
l-3klein.com |
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SAM Electronics, GmbH
Behringstrasse 120
22763 Hamburg
Germany
Phone: 01 149 408 8250
Fax: 01 149 408 8254000
Sam-electronics.de
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Unidyne
3835 E. Princess Anne Road
Norfolk, VA 23502
Phone: (757) 855-8037
Fax: (757) 853-3046 |
LCAC Maintenance & SLEP
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Unidyne
3835 E. Princess Anne Road
Norfolk, VA 23502
Phone: (757) 855-8037
Fax: (757) 853-3046 |
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SAM Electronics, GmbH
Behringstrasse 120
22763 Hamburg
Germany
Phone: 01 149 408 8250
Fax: 01 149 408 8254000
Sam-electronics.de
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Unidyne
3835 E. Princess Anne Road
Norfolk, VA 23502
Phone: (757) 855-8037
Fax: (757) 853-3046 |
Marine Installation Services
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Automation Plant System Service
Diano d'Alba, Italy
+39 0173 468.468
www.apss.it |
Marine Installation Services
L-3 MarPro’s marine installations are typically cabled undersea sensor systems or “short-haul” un-repeated telecommunication systems deployed from Ships-of-Opportunity using various means of cable protection and shore landing methods.
L-3 MariPro has developed a system of modular cable deployment equipment which can be trucked or shipped to a port anywhere in the world that is in close proximity to the installation location. This method enables a local ship-of-opportunity with a local crew to be converted into a cable laying vessel generally within 3 to 4 days.
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MariPro, Inc.
1522 Cook Place
Goleta, CA 93117
Phone: (805) 683-3881
Fax: (805) 967-0367
L-3Com.com/MariPro

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SAM Electronics, GmbH
Behringstrasse 120
22763 Hamburg
Germany
Phone: 01 149 408 8250
Fax: 01 149 408 8254000
Sam-electronics.de |
Marine Project Management
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SAM Electronics, GmbH
Behringstrasse 120
22763 Hamburg
Germany
Phone: 01 149 408 8250
Fax: 01 149 408 8254000
Sam-electronics.de |
Material Management
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Unidyne
3835 E. Princess Anne Road
Norfolk, VA 23502
Phone: (757) 855-8037
Fax: (757) 853-3046 |
Metal & Material Fabrication
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Unidyne
3835 E. Princess Anne Road
Norfolk, VA 23502
Phone: (757) 855-8037
Fax: (757) 853-3046 |
Navigation and Cable Installation Modeling
Navigation and Cable Installation Modeling
In support of marine installation of cabled undersea sensor systems, L-3 MariPro developed proprietary cable hydrodynamic models and computer aided deployment tools suitable for precise placement of sensor nodes on the sea floor. These systems were used successfully for many years until the availability of commercial systems became more cost effective when compared to continuing to sustain our proprietary systems.
For cabled undersea sensor systems, sensor placement accuracy requirements of less than 100 meters in depths of down to 5,000 meters can be typical. The navigation/installation system model must include the effects of turns by the installation vessel and the pullout of slack as the sensor node approaches the ocean bottom.
L-3 MariPro selected Makai Ocean Engineering’s MakaiPlanPro and MakaiLay products which are widely used and recognized by many industry leaders. These systems allow powerful and precise 3-D dynamic simulations and then integration into the vessels navigation and cable handling systems.
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MariPro, Inc.
1522 Cook Place
Goleta, CA 93117
Phone: (805) 683-3881
Fax: (805) 967-0367
L-3Com.com/MariPro
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Unidyne
3835 E. Princess Anne Road
Norfolk, VA 23502
Phone: (757) 855-8037
Fax: (757) 853-3046 |
Overhaul & Repair
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Automation Plant System Service
Diano d'Alba, Italy
+39 0173 468.468
www.apss.it |
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SAM Electronics, GmbH
Behringstrasse 120
22763 Hamburg
Germany
Phone: 01 149 408 8250
Fax: 01 149 408 8254000
Sam-electronics.de
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Ocean Systems
15825 Roxford Street
Sylmar, CA 91342
Tel: (818) 367-0111
Fax: (818) 367-0403
l-3com.com/os
|
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Unidyne
3835 E. Princess Anne Road
Norfolk, VA 23502
Phone: (757) 855-8037
Fax: (757) 853-3046
|
Generator Sets, Switchboards, Loadcenters, Power and Lighting Panels
|
Westwood Corporation
12042 E. 60th Street
Tulsa, OK 74146
Tel: (918) 252-0481
Fax: (918) 294-0540
|
| Mechanical and Electrical Systems & Components |
Henschel, Inc.
9 Malcom Hoyt Drive
Newburyport, MA 01950
Phone: (978) 462-2400
Fax: (978) 462-4497
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Klein Associates, Inc.
11 Klein Drive
Salem, NH 03079
Tel: (603) 893-6131
Fax: (603) 893-8807
l-3klein.com
|
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Valmarine
Buskerudveien 129
3027 Drammen
NORWAY
Phone: +47 32218100
Fax: +47 32823857
Valmarine.com |
|
Klein Associates, Inc.
11 Klein Drive
Salem, NH 03079
Tel: (603) 893-6131
Fax: (603) 893-8807
l-3klein.com
|
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Henschel, Inc.
9 Malcom Hoyt Drive
Newburyport, MA 01950
Phone: (978) 462-2400
Fax: (978) 462-4497
|
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SAM Electronics, GmbH
Behringstrasse 120
22763 Hamburg
Germany
Phone: 01 149 408 8250
Fax: 01 149 408 8254000
Sam-electronics.de |
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Unidyne
3835 E. Princess Anne Road
Norfolk, VA 23502
Phone: (757) 855-8037
Fax: (757) 853-3046
|
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Valmarine
Buskerudveien 129
3027 Drammen
NORWAY
Phone: +47 32218100
Fax: +47 32823857
Valmarine.com |
Proto Type Development
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Unidyne
3835 E. Princess Anne Road
Norfolk, VA 23502
Phone: (757) 855-8037
Fax: (757) 853-3046
|
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Valmarine
Buskerudveien 129
3027 Drammen
NORWAY
Phone: +47 32218100
Fax: +47 32823857
Valmarine.com |
Reliability & Maintainability Engineering
|
Unidyne
3835 E. Princess Anne Road
Norfolk, VA 23502
Phone: (757) 855-8037
Fax: (757) 853-3046 |
Relocation
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Unidyne
3835 E. Princess Anne Road
Norfolk, VA 23502
Phone: (757) 855-8037
Fax: (757) 853-3046 |
Reverse Engineering
|
Unidyne
3835 E. Princess Anne Road
Norfolk, VA 23502
Phone: (757) 855-8037
Fax: (757) 853-3046 |
ROV Inspections and Recoveries
ROV Inspections and Recoveries
L-3 MariPro has operated low-cost lightweight Remotely Operated Vehicles (ROVs) since their introduction in the early 1980’s. L-3 MariPro’s ROV resources include an enhanced version of Deep Ocean Engineering’s DHD2 equipped with 900 meters of umbilical, a high-resolution sonar, manipulator, USBL tracking system, low light cameras, and other peripheral equipment. L-3 MariPro also has smaller inspection-only vehicles and has charted vehicles, up to large work class ROVs. Operating experience includes ROV survey and recovery tasks in deep inland lakes, offshore oceanic regions, and arctic environments. Tasks such as recovery of objects in 600 meters of water or carrying of 100-pound payloads have been successfully accomplished.
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MariPro, Inc.
1522 Cook Place
Goleta, CA 93117
Phone: (805) 683-3881
Fax: (805) 967-0367
L-3Com.com/MariPro

|
|
SAM Electronics, GmbH
Behringstrasse 120
22763 Hamburg
Germany
Phone: 01 149 408 8250
Fax: 01 149 408 8254000
Sam-electronics.de
|
|
Unidyne
3835 E. Princess Anne Road
Norfolk, VA 23502
Phone: (757) 855-8037
Fax: (757) 853-3046
|
|
Valmarine
Buskerudveien 129
3027 Drammen
NORWAY
Phone: +47 32218100
Fax: +47 32823857
Valmarine.com |
Specialized Cable Fabrication
|
Unidyne
3835 E. Princess Anne Road
Norfolk, VA 23502
Phone: (757) 855-8037
Fax: (757) 853-3046 |
System Design & Integration
|
Automation Plant System Service
Diano d'Alba, Italy
+39 0173 468.468
www.apss.it |
|
Dynamic Positioning & Control Systems
12131 Community Rd
Poway, CA 92064
Tel: 603-893-6131
Fax: 858-679-5500 x301
http://www.L-3com.com/DPCS
|
|
Klein Associates, Inc.
11 Klein Drive
Salem, NH 03079
Tel: (603) 893-6131
Fax: (603) 893-8807
l-3klein.com
|
|
SAM Electronics, GmbH
Behringstrasse 120
22763 Hamburg
Germany
Phone: 01 149 408 8250
Fax: 01 149 408 8254000
Sam-electronics.de
|
|
Valmarine
Buskerudveien 129
3027 Drammen
NORWAY
Phone: +47 32218100
Fax: +47 32823857
Valmarine.com |
Towed Array Engineering Design Services
|
Ocean Systems
15825 Roxford Street
Sylmar, CA 91342
Tel: (818) 367-0111
Fax: (818) 367-0403
l-3com.com/os
|
Training
|
Automation Plant System Service
Diano d'Alba, Italy
+39 0173 468.468
www.apss.it |
|
SAM Electronics, GmbH
Behringstrasse 120
22763 Hamburg
Germany
Phone: 01 149 408 8250
Fax: 01 149 408 8254000
Sam-electronics.de
|
|
Unidyne
3835 E. Princess Anne Road
Norfolk, VA 23502
Phone: (757) 855-8037
Fax: (757) 853-3046
|
|
Valmarine
Buskerudveien 129
3027 Drammen
NORWAY
Phone: +47 32218100
Fax: +47 32823857
Valmarine.com |
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