MARCOM was founded by qualified Ma- rine Electronic Engineers, Legal Advisors, Economists and Master Mariners, who came together to offer a unprecedented solution to the Marine Electronic Industry in Trinidad and Tobago, the Caribbean and South America in terms of marine sales and services offered. We are now recognized globally, and can boast an international ros- ter of clients. Since its inception, Marine Communications Limited has grown to become a viable Ma- rine Sales and Service Company in a highly competitive market. We do not focus on one particular niche, but extend our services to all in the Oil and Gas Industry, merchant ves- sels, pleasure crafts and many other types of vessels. Throughout its life history, Marine Communi- cations Limited has made human resources crucial to accomplishing success, encourag- ing each person to a higher level of profes- sional expertise. We promote our human resources thorough periodical training and education and the benefit acquired from the employees to the organization is the ability to apply and market their skills, knowledge and quality to the old and new potential cus- tomers and also strengthen the Company’s reputation in the marketplace through stan- dards and recognition of excellence. Marine Engineers at Marine Communications Limited Our Engineers are capable of working with a team of marine scientists on board a ship, and in the event of an instrument failure, they will evaluate, test and repair the system and equipment used. Their high level of professional expertise and training also allows them to perform competent installation practices. Our Engineers have the ability to apply the skills and knowledge to the following: Install, troubleshoot, repair and service marine communications equip- ment, radar equipment, navigation equipment, steering systems, and bridge integrated systems. Install, troubleshoot, adjust and repair magnetic compasses. Install, troubleshoot, adjust and repair marine refrigerating equipment. Install, troubleshoot, adjust and repair automation, control & electrical systems. Utilize circuit-diagrams, and technical work documents for the repair and testing of above equipment. Demonstrate a working knowledge of the theories and principals of above equipment. Inspecting Navigation and Communication equipment. Ordering new equipments and parts. Marine Communications Limited offers a wide verity of solutions to the marine electronic sales and service Industry, we are permanently available to attend customer’s demands at any time, run- ning 24 hours a day, 365 days a year. Our highly qualified and periodically trained engineers and representatives ensure that the attendance of requests onboard a ship meet the standards to accomplish customer satisfaction. Due to our perfect location in the region of the Caribbean, and the benefit of be- ing part of the CARICOM Countries, Marine Communications Limited does not take for grated the advantage of of- fering quick response to customers of a sale or service request made at short notice. We are able to organize a team of engineers and sales representatives to perform tasks and/or deliver spare parts or new equipments in record time, at reasonable cost to any Island in the Caribbean or any Country in South America. As part of our service portfolio we are certified surveyors for communication and navigation equipment inspections on behalf of the most recognized clas- sification societies, including ABS, BV, DNV, GL, LR, NK. Today Marine Communications Limited hold sales and service contracts with the most recognized Marine Electronics Manufactures of the Industry, such as Sperry Marine, Kelvin Hughes, Raythe- on, JRC, etc, offering technical support, sales and services to its wide range of clients. Sales and Services offered at Marine Communications Limited Company Profile
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MARCOM was founded by qualified Ma-rine Electronic Engineers, Legal Advisors, Economists and Master Mariners, who came together to offer a unprecedented solution to the Marine Electronic Industry in Trinidad and Tobago, the Caribbean and South America in terms of marine sales and services offered. We are now recognized globally, and can boast an international ros-ter of clients.
Since its inception, Marine Communications Limited has grown to become a viable Ma-rine Sales and Service Company in a highly competitive market. We do not focus on one particular niche, but extend our services to all in the Oil and Gas Industry, merchant ves-sels, pleasure crafts and many other types of vessels.
Throughout its life history, Marine Communi-cations Limited has made human resources crucial to accomplishing success, encourag-ing each person to a higher level of profes-sional expertise. We promote our human resources thorough periodical training and education and the benefit acquired from the employees to the organization is the ability to apply and market their skills, knowledge and quality to the old and new potential cus-tomers and also strengthen the Company’s reputation in the marketplace through stan-dards and recognition of excellence.
Marine Engineers atMarine Communications Limited
Our Engineers are capable of working with a team of marine scientists on board a ship, and in the event of an instrument failure, they will evaluate, test and repair the system and equipment used. Their high level of professional expertise and training also allows them to perform competent installation practices.
Our Engineers have the ability to apply the skills and knowledge to the following:Install, troubleshoot, repair and service marine communications equip-ment, radar equipment, navigation equipment, steering systems, and bridge integrated systems.Install, troubleshoot, adjust and repair magnetic compasses.Install, troubleshoot, adjust and repair marine refrigerating equipment.Install, troubleshoot, adjust and repair automation, control & electrical systems.Utilize circuit-diagrams, and technical work documents for the repair and testing of above equipment.Demonstrate a working knowledge of the theories and principals of above equipment.Inspecting Navigation and Communication equipment. Ordering new equipments and parts.
Marine Communications Limited offers a wide verity of solutions to the marine electronic sales and service Industry, we are permanently available to attend customer’s demands at any time, run-ning 24 hours a day, 365 days a year. Our highly qualified and periodically trained engineers and representatives ensure that the attendance of requests onboard a ship meet the standards to accomplish customer satisfaction.
Due to our perfect location in the region of the Caribbean, and the benefit of be-ing part of the CARICOM Countries, Marine Communications Limited does not take for grated the advantage of of-fering quick response to customers of a sale or service request made at short notice. We are able to organize a team of engineers and sales representatives
to perform tasks and/or deliver spare parts or new equipments in record time, at reasonable cost to any Island in the Caribbean or any Country in South America.
As part of our service portfolio we are certified surveyors for communication and navigation equipment inspections on behalf of the most recognized clas-sification societies, including ABS, BV, DNV, GL, LR, NK.
Today Marine Communications Limited hold sales and service contracts with the most recognized Marine Electronics Manufactures of the Industry, such as Sperry Marine, Kelvin Hughes, Raythe-on, JRC, etc, offering technical support, sales and services to its wide range of clients.
Sales and Services offered at Marine Communications Limited
Company Profile
We supply, install repair and service various marine equipment such as:
Communication Systems
Modern ships use radio communica-tion equipment for their main method of communication. When working nearby, ships usually use VHF (Very High Fre-quency) radios for communication. This gives voice communication so weather reports, emergency distress calls or general communications are possible.
Communication beyond the horizon is possible using MF/HF (Medium Fre-quency)/ (High Frequency) radio. MF/HF radio waves tend to curve along the ocean’s surface and can also bounce off the ionosphere. This allows MF/HF radio to travel long distances, well be-yond the horizon.
Nowadays the type of communication sys-tems used onboard ships are the following:
Inmarsat-A: provides voice services, telex services, medium speed fax/data services and, optionally, high speed data services at 56 or 64 kbit/s.
Inmarsat-B: provides voice services, telex services, medium speed fax/data services at 9.6 kbit/s and high speed data services at 56, 64 or 128 kbit/s
Inmarsat-C: effectively this is a “satellite tel-ex” terminal with store-and-forward, polling etc capabilities. Certain models of Inmarsat-C terminals are also approved for usage in the GMDSS system.
Fleet: actually a family of networks that includes the Inmarsat-Fleet77, Inmarsat-Fleet55 and Inmarsat-Fleet33 members. It provides a selection of low speed services like voice at 4.8 kbit/s, fax/data at 2.4 kbit/s, medium speed services like fax/data at 9.6 kbit/s, ISDN like services at 64 kbit/s (called Mobile ISDN) and shared-channel IP packet-switched data services at 64 kbit/s (called Mobile Packet Data Service MPDS) with GPS.
SSAS: All ships over 500 gross tones are required to be equipped with a Ship Security Alert System (SSAS), which is capable of discreetly raising the alarm to the relevant authorities and tracking the vessel if the se-curity of the vessel is compromised.
Steering Systems
Electronic control systems that offer precise accurate and fully independent control of twin steering gears. Each rudder, or set of rudders, is electronically controlled by a full
follow-up amplifier system. Rudders can be selected to operate in either fully synchro-nized mode (for traditional rudder operation) or independent mode (for modified maneu-
vering characteristics) or dynamic braking. This system involves Autopilot equipment, Rudder Angle Indicators systems, follow-up steering and non follow-up steering systems.
Integrated Bridge Systems
An Integrated Bridge System (IBS) is a com-bination of equipment and software which uses interconnected controls and displays to present a comprehensive suite of naviga-tional information to the mariner.
An IBS generally consists of at least: • Dual ECDIS installation – one serving master and the other as backup and route planning sta-
tion • Dual radar/ARPA installation • Conning display with a concentrated presentation of navigational information (the master ECDIS) • DGPS positioning • Ship’s speed measur-ing system • Auto-pilot and gyrocompass system • Full GMDSS functionality
An IBS is designed to centralize the func-tions of monitoring collision and grounding
risks, and to automate navigation and ship control. Several instruments and indicators are considered essential for safe and effi-cient performance of tasks, and are easily readable at the navigation workstation, such as heading, rudder angle, depth, propeller speed or pitch, thruster azimuth and force, and speed and distance log.
Load Cell Calibration
The Load cells, while designed and con-structed for accuracy, are subject to some of the worst operating conditions in the indus-try and require periodic calibration. In many systems, the load cells must be removed and calibrated individually. In order to facili-tate this calibration of individual load cells, Marine communications Limited is offering a great solution.
Since the inception Marine Communications Limited has very well understood the need
of calibrating load sensing elements in Trini-dad & Tobago, for this reason now at Marine Communications Limited we make the long tedious procedure to calibrate load cells easy, quick and economical. Marine Com-munications Limited build the only local com-mercial laboratory offering force calibration through 100 Tones within 4-5 working days, using deadweights certified by the National Institute of Standards and Technology by direct comparison to national standards of mass.
At our Laboratory a Load cell and a proving ring can be positioned and loaded in series with a mechanical force. A special hydraulic jack activated by a precision, dead-weight tester type, two-speed pump, produces the mechanical force. Our facility is designed to quite easily calibrate either compression-type or tension type load cells and it offers capacities that range between 0.2 to 100 tones.
Navigations Systems
The devices available range from a simple compass to a host of sophisticated electron-ic systems. In all cases, the navigator must plan and prepare the route. This preparation includes having the latest correct charts and reviewing pertinent sections of sailing direc-tions, light lists, and tide and current tables.
While the navigator is occupied primarily with courses, speeds, distances, and posi-tion determination, the safety of the craft is not to be neglected. Integrated navigation-conning systems have the basic function of helping reduce the number of accidents between ships by having the computer correlate most of the data available during crowded conditions and thus help unbur-den the navigator by presenting these data in more usable form for better and quicker decision making. The system generally in-cludes a collision avoidance device plus a general-purpose computer. The computer receives inputs from navigation sensors and
from ship propulsion and ship status sta-tions. The integrated console is designed to optimize the human engineering aspects of ship control and navigation.
ECDIS: An Electronic Chart Display and In-formation System (ECDIS) is a specific form of computer-based navigation information system that displays information from elec-tronic navigational charts (ENC) and inte-grates position information from the Global Positioning System (GPS) and other navi-gational sensors, such as radar, fathometer and automatic identification systems (AIS). It may also display additional navigation-re-lated information, such as Sailing Directions. The ENCs themselves are as important as the system that displays them.
AIS: The Automatic Identification System is a system used by ships and Vessel Traffic Services (VTS) principally for identification and locating vessels. AIS helps to resolve the
difficulty of identifying ships when not in sight (e.g. in fog, at distance, etc.) by providing a means for ships to exchange identification, position, course, speed, and other ship data with all other nearby ships and VTS stations. It works by integrating a standardized VHF transceiver system with an electronic navi-gation system, such as a LORAN-C (LOng RAnge Navigation Version C) or Global Po-sitioning System receiver, and other naviga-tional sensors on board ship (gyrocompass, rate of turn indicator, etc.).
SVDR: The Simplified Voyage Data Record-er or S-VDR is a system similar to the avia-tion “black box” recorder where if a vessel is involved in an accident or sinks, data can be retrieved to reconstruct the last 12 hours of the vessels voyage. This allows the marine community to clearly understand the reason for the accident, however catastrophic and put in preventative measures to increase fu-ture marine safety.
Radar Systems
Radars intended principally to determine the presence and position of reflecting targets in a region around the radar are called search radars. Other radars examine further the targets detected: examples are height find-ers with antennas that scan vertically in the direction of an assigned target, and tracking radars that are aimed continuously at an
assigned target to obtain great accuracy in estimating target motion. In some modern radars, these search and track functions are combined, usually with some computer control. Surveillance radar connotes op-eration of this sort, somewhat more than just search alone. There are also very complex and versatile radars with considerable com-
puter control, with which many functions are performed and which are therefore called multifunction radars. Very accurate tracking radars intended for use at missile test sites or similar test ranges are called instrumen-tation radars. Radars designed to detect clouds and precipitation are called meteoro-logical or weather radars.
Clasification SocietyNavigation & Communication Equipment Inspections
In the Shipping Industry, classification so-cieties set technical rules, confirm that de-signs and calculations meet these rules, sur-vey ships during the process of construction and commissioning, and periodically survey vessels to ensure that they continue to meet the rules to ensure an acceptable degree of stability, safety, environmental impact, etc.
Today all nations require that ships and other marine structures flying their flag meet certain standards; in most cases these stan-dards are deemed to be met if the ship has the relevant certificate from a member of the IACS or EMSA.
Since its inception, Marine Communications Limited as been certified by these members of the IACS or EMSA, including Lloyd’s Reg-ister of Shipping (LR), Bureau Veritas (BV), American Bureau of Shipping (ABS), Det Norske Veritas (DNV), Germanischer Lloyd (GL) and Nippon Kaiji Kyokai (NKK).
These Classification societies has given Marine Communications Limited the role of being their representative in Trinidad & the Caribbean Island to conduct inspections, surveys or examinations aboard ship to as-sess, monitor and report on the condition of the ship, to ensure compliance with various
standards or specifications. Surveys typically include the navigational and communication equipment (Radios, SVDR, etc) which are specifically conducted annually throughout the ship’s life to ensure standards are main-tained.
Therefore do not think more when you are looking for a company that cares about safety, stability, environment and standards because at Marine Communications Limited we strive to accomplish them as formal rep-resentative of the most recognized classifi-cation societies.
Magnetic Compass Adjustment
Magnetic Compasses must be adjusted at least once a year. The process of adjust-ment is called “swinging ship.” This is required as a safety precaution; also as
the ship steams, its magnetic properties will change. The process of swinging ship is time consuming and in most cases a minimum of 4 hours should be set aside
for this task. It is not advisable to attempt to adjust a compass in moderate to heavy weather. Doing so will often render the re-sults inaccurate.
Marine Refrigeration
Marine refrigerating equipment is used for shipboard refrigeration of products as well as for air conditioning the quarters of pas-sengers and crew. Shipboard refrigeration is necessary for the preservation of perishables in transit and foodstuffs to be used by pas-sengers and crew. Marine refrigeration is also used for maintaining certain cargo products in liquid form that would otherwise evaporate when stored at ambient conditions.
To meet the steady growth demand of the Marine refrigeration systems in Trinidad and
Tobago, the Caribbean Islands and South America, Marine Communications Limited offers a wide list of solutions to the clients, supported by the excellent expertise of our highly trained and qualified Technicians and also our customer sales and service person-nel, willing to assist in guiding and recom-mending you the appropriate services and parts at the best prices.
List of service - Air Condition and refrig-eration Field.Refrigerated Containers: Maintenance, re-
pair, supplies, warranty.Air Condition and Refrigeration: Service & repair, preventive maintenance, site as-sessments, system design, equipment, recommendations, customer services, value prices.Parts supply: reefer, air condition, refrigera-tion, auto system, marine system, electrical, compressors.List of brands: Carrier, Lennox, Toshiba, Thermo King, Daikin, LG, Col wave, and much more
Instruments and control systems
Marine Communications Limited is the lead-ing suppliers in Trinidad & Tobago and Ca-ribbean Island of the most advanced marine automation equipment.Marine Communications Limited has bro-ken down the services offered for the ship machinery and navigation instruments as follows:
Main Engine Control SystemDiesel Maneuvering System - Install, trou-bleshoot, repair and service the automatic remote control of the main engine from bridge and engine control room.Diesel Protection System - Install, trouble-
shoot, repair and service the safety system for emergency shutdown or automatic power reduction that protects the propulsion sys-tem against damage. Electronic Governor System - Install, trouble-shoot, repair and service the automatic over speed prevention system in heavy seas.Propulsion Control System - Install, trouble-shoot, repair and service the modular system that suit the vessel combinations of engines, propellers, clutches and control positions.
Modulator Automation Systems for Alarm and ControlUniversal Monitoring System - Install,
troubleshoot, repair and service intelligent alarm panels located at bridge, this service is performed to the alarm monitoring of ship machinery and navigation instruments. Universal Monitoring and Control System - Install, troubleshoot, repair and service the alarm and control and their distributed computersReefer Container Monitoring System - In-stall, troubleshoot, repair and service the reefer alarms and events carried out through the electric power supply to the container onboard or ashore.
