The time when vessels arrived into port without prior notice and were observed only by means of simple radar has passed. Over the last 2 decades the overall volume of world trade has increased significantly and this has resulted in a substantial growth of maritime transportation. Ports all around the world are receiving more and more calls from ships crews, agents/managers and other port stakeholders and this increases the workload on ports and in many cases leads to rising safety concerns. This is compounded by the increased security threats and demands introduced by Port Security Regulations. The demand for Vessel Traffic Management Systems (VTMS) has never been greater. Technically VTMS is a complex system combining different types of sensors connected to an information processing and distribution system. CCTV, radars, AIS transponders, hydro-meteorological sensors are sources of information which together constitute a solid knowledge base for VTS operators to make decisions. At the core of any modern VTMS system is special software that is designed to process the large quantities of data coming from various sensors and present it to the VTS operator in a convenient user friendly way. The ability of the System to handle large volumes of heterogeneous information and process it properly defines the quality of the System and degree to which one may trust the information it represents.
Why VTMS?
VTMS provides VTS operators with precise information on traffic movements in the port’s area of responsibility. Navigational and informational support to mariners is the VTS Operator’s primary aim. In conditions of poor visibility, poor weather or in case of any malfunctions in the vessel’s onboard navigational equipment, the VTS operator is able to provide advice and information, and reduce the probability and/or consequence of dangerous situations. In addition to that, as the VTMS System now receives information about all vessels prior to its approaching, it provides a convenient tool for planning. It helps to eliminate or reduce queues in mooring areas, increase efficiency of port’s allied services and allow better utilisation of port’s infrastructure. In recent years, VTMS is expected to fulfill a security function as well – to prevent illegal immigration and to lower the possibility of terrorist attacks. For example, one of the main requirements for the Vessel Traffic Management and Information System recently installed by Transas in the Republic of Cyprus was to support the authorities in their ongoing work combating illegal immigration, smuggling and similar activities.
Technology advancements
The dramatic enhancements in VTMS technology over the last 15-20 years has resulted in substantially wider functionalities offered by VTMS providers. The latest version of Transas VTMS software – Navi-Harbour 4.3 – includes the latest enhanced radar processing, powerful data recording and playback, a variety of port/coastal security features, and very flexible multi-sensors integration tools. Other recent developments include a Search & Rescue (SAR) software module allowing an operator to organise and control search and rescue operations and manage SAR resources. The system takes the operator through the steps needed to create a well-considered SAR search plan and allocate all available resources in a sensible way. The software helps to determine probable search areas and calculate search patterns. Under conditions requiring an immediate reaction, precise estimations and prompt decisions special software may become a good alternative to assist complex decision-making. The more user-friendly the operator workstation the less time it takes the operator to understand the situation evolving in the port. The Navi-Harbour VTMS incorporates a new Graphical User Interface (GUI) which enables the operator to visualise the port’s reality in 3D – as if the operator sees the situation live from any perspective in the port. 3D VTS allows VTS operators to get three dimensional pictures inside the VTS coverage area. Enhanced situation awareness available with the introduction of 3D VTS will be particularly effective in situations of limited or restrained visibility, providing the decision-makers onboard with additional shore side support. In addition, cross checking of sensor data reliability with a visual reference representation will further enhance the overall picture of a maneuver as it progresses. 3D VTS was included in the supply of Ilyichevsk Port upgrade project. The client Delta-Pilot expressed its satisfaction with the effects the System made on quality of navigation in harsh environmental conditions. Precise information enables VTS operators better serve the needs of pilots and navigators.
How to make the right choice?
A multitude of VTMS offers available on the market are dictated by diversity of requirements set by customers to such systems. Each project is unique in its kind and needs a special approach. The choice of VTMS supplier has to be a well-thought decision as it will have a long-life consequences. The utmost attention shall be paid to the ability of the supplier to provide a local support at the stage of project design and implementation as well as maintenance of the system after its commissioning. The level of training provided after the system has been installed defines how fast operators may start working and to which extent they will be able to use the technology. The ability to offer a customised solution is a valuable advantage that a supplier could offer. The System should be able to meet the challenges the particular port is facing. Different geographic, environmental and political conditions vary from one port to another which is a further challenge. Last but not least, experience and expertise in implementation of projects of a similar scale may give a good idea of whether the supplier is the one you need.