Vessel location using AIS in real time. Marina traffic in Russian real-time ship traffic map

Would you like to know where this or that sea vessel is currently located, which ships are located next to you, and which ones are moored in Buenos Aires, Sumatra or Singapore? The MarineTraffic.com network service gives you a unique opportunity to get a lot of useful information by the location and movement of the vessel you need on the map, its route, speed, cargo, weather in a given region, and so on. In this material I will talk about the real-time ship traffic map on the Marine Traffic website, and also explain in detail how to use the capabilities of this service.

As you know, AIS (automated identification system) has been used in shipping since the early 90s, the main purpose of which is to improve the monitoring and safety of maritime transport. Its capabilities allow you to identify a ship, its course, dimensions and other parameters using VHF radio waves. The system covers an area of ​​approximately 9 million square kilometers of coastal zones. to the globe, including about 2,500 ports in areas of the most active maritime traffic.

In 2004, the International Maritime Organization (IMO) required ships with a gross tonnage of more than 300 tons mandatory installation on board the ship with a special AIS transmitter. The latter’s responsibilities include real-time transmission of all necessary information about the vessel including its speed, course, location, name, dimensions, and other relevant data.

The site I'm reviewing, MarineTraffic.com, receives data from more than 1,200 AIS receiving stations around the world. After collecting data, they are transferred to a processing center, where they are processed and plotted on a map posted on the service. Wherein specified map ship movements online is available both through a browser on a desktop PC and through the corresponding application for mobile devices.

So what is Marine Traffic?

"MarineTraffic" - a popular network service for tracking location in the world sea ​​vessels. The resource collects real-time data about the location of the vessel (as well as information about its course, speed, tonnage, and so on). And displays it on the corresponding map, thereby greatly facilitating the work of people directly connected with the sea.

The purpose of the vessel traffic map service is to increase the transparency and efficiency of maritime transport. The site allows you to track the location of many vessels, making data on them available to ordinary users. At the same time, the resource is actively developing, inviting interested parties to take direct part in its formation and further progress.

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How to use the Marine Traffic real-time ship traffic map

After going to the website marinetraffic.com you will immediately be taken to work card service.

I recommend scrolling down the work screen and using the Russian interface instead of the default English one. At the same time, I will warn the reader that most of the interface will remain in English one way or another.

You will then need to go through the registration process (after which you will have access to a number of special options at the “My Fleets” level, allowing you to track the vessels of your choice). To do this, click on “Login” at the top, then on “Register”, and go through the registration procedure via email.

The map shows schematically in different colors Various types vessels (transport, tankers, passenger, high-speed, special, fishing, etc.)

By hovering the cursor over the vessel you need, you can get information about its name and final destination. More detailed information is available only after paying the appropriate fee for using the site (an annual subscription, a subscription depending on the number of ships you have chosen, and so on).

Service control panel in Russian

The Marine Traffic service control panel is divided into two main parts - left panel and top panel.

The left panel contains the following options:

The top panel has the following options:

Conclusion

Despite all the richness of the Marine Traffic website’s capabilities, its free functionality is quite limited, being of interest only in terms of familiarization with the capabilities of the service. All the completeness of information on required by the user A ship traffic map can only be obtained by paying for the paid functionality of the site, which is really quite impressive and will be fully useful to people associated with the sea and maritime transportation.

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Real-time ship traffic map. AIS

AIS (Automatic Identification System) is a system in shipping that serves to identify ships, their dimensions, course and other data using VHF radio waves.

IN Lately there is a tendency to interpret AIS as Automatic Information system, (English AIS Automatic Information System), which is associated with the expansion of the system’s functionality compared to the ordinary task of identifying vessels.

In accordance with the Convention, SOLAS 74/88 is mandatory for ships of over 300 gross tonnage engaged on international voyages, ships of 500 gross tonnage or more not engaged on international voyages, and all passenger ships. Vessels and yachts with a smaller displacement can be equipped with a class B device. Data transmission is carried out on international communication channels AIS 1 and AIS 2 in the SOTDMA protocol (Self Organizing Time Division Multiple Access). Frequency modulation with GMSK keying is used.

Purpose of AIS

AIS is designed to increase the level of navigation safety, efficiency of navigation and operation of the vessel traffic control center (VTCS), protection environment, providing the following functions:

as a means of preventing collisions in ship-to-ship mode;

as a means of obtaining information about the vessel and cargo by competent coastal services;

as a VTC tool in ship-to-shore mode for controlling vessel traffic;

as a means of monitoring and tracking ships, as well as in search and rescue (SAR) operations.

AIS components

The AIS system includes the following components:

VHF transmitter,

one or two VHF receivers,

global receiver satellite navigation(for example, GPS, GLONASS), for ships flying the Russian flag, the GLONASS module in the AIS device is strictly mandatory, the main source of coordinates. GPS is auxiliary and can be taken from GPS receiver via NMEA protocol;

modulator/demodulator (converter of analogue data to digital and vice versa),

microprocessor based controller

equipment for input/output of information to control elements.

Operating principle of AIS

The operation of AIS is based on the reception and transmission of messages in the VHF range. The AIS transmitter operates at longer waves than radars, which allows the exchange of information not only at direct distances, but also in areas with obstacles in the form of small objects, as well as in bad conditions. weather conditions. Although one radio channel is sufficient, some AIS systems transmit and receive on two radio channels in order to avoid interference problems and not disrupt the communication of other objects. AIS messages may contain:

identification information about the object,

information about the state of the object, received automatically from the object’s control elements (including from some electro-radio navigation devices),

information about geographic and time coordinates that AIS receives from the global navigation satellite system,

information entered manually by facility maintenance personnel (security-related).

Provision is made for the transfer of additional text information between AIS terminals (paging). Transmission of such information is possible both to all terminals within the range, and to one specific terminal.

In order to ensure the unification and standardization of AIS, the International Radio Regulations stipulate two channels for use for AIS purposes: AIS-1 (87V - 161.975 MHz) and AIS-2 (88V - 162.025 MHz), which should be used everywhere, with the exception of regions with special frequency regulation.

The digital information transmission rate in the AIS channel is selected at 9600 bps.

The operation of each AIS station (mobile or base) is strictly synchronized to UTC time with an error of no more than 10 μs from the built-in GNSS receiver (in the Russian Federation, according to signals from the combined GNSS receiver GLONASS/GPS). To transmit information, continuously repeating frames lasting 1 minute are used, which are divided into 2250 slots (time intervals) each lasting 26.67 ms.

Text uses 6-bit ASCII codes.

Displaying information about the environment in modern AIS is possible in 2 modes - both textual in the form of a table with a list of nearby vessels and their data, and in the form of a simplified schematic map with an image relative position vessels and distances to them (calculated automatically based on the data transmitted by them geographical coordinates.) AIS is included in the list of equipment provided uninterruptible power supply from batteries is mandatory.

There are services that provide information about ships online in real time on a map. These services are an indispensable tool for the charterer, because he must know the approximate time of arrival of the vessel at the designated port for loading or unloading. Some agreements indicate that the delivery of cargo must be carried out within a certain period of time and the ship does not have the right to enter ports for its own needs and take on associated cargo. It follows from this that if the ship deviates from the course, the contract can be terminated.

MarineTraffic is an online service for tracking the route of ships

The site provides information about the location of ships online. This is a world map with ship icons on it. different colors. Each color represents the type, speed, control method and other information.

There are icons and icons around the map for management and configuration. On the left side of the menu there are buttons for setting up the map, such as: layers, filter, traffic density maps, weather and others. Here you can find a ship by name by entering information in a special field. When you click on one of the ships on the map, information appears in a window about:

• Name of the ship.
• The speed at which the ship travels.
• Well. From where and where to go.
• Status.
• Type of ship (passenger, tanker, etc.)

When you click on the name of the vessel already in the window that opens, more full page With detailed information about the ship in real time.

How to find a ship by name online on MarineTraffic

If you have some information about the ship you are interested in, then finding it will be easy. Necessary:

1. Go to the website - https://www.marinetraffic.com/ru/.
2. In the top right window called "Vessel/Port" enter your information.
3. In the window that appears, you need to click on the name of the vessel or port for detailed information.

Having visited the site, you will notice that the information is provided on English language. It can be changed by going to the bottom of the page and clicking on the “Language” item. Select Russian from the drop-down menu.

The online ship map is updated in real time, but you need to know that ship traffic on the ocean is relatively small. The reason for the ship's freezing may also be related to the system itself, because it is not perfect and has shortcomings. Although it is improved from time to time, there are still areas of the ocean where the signal disappears. In this case, you must wait until the signal appears to continue tracking the vessel.

How the AIS system works

Today, to ensure security, all ships have an AIS identification system on board. It reports the location of a particular vessel in the ocean and prevents collisions. The distance a ship can move away from a ground receiver is almost 400 km. The ground reception system must be above sea level, and the ship system must have a strong signal and quality antenna. In this case, visitors can use the services of the service.

Seatracker.ru – providing information about the location of ships online

Seatracker is a portal for seafarers that provides news and various files, mostly nautical themed.

By clicking the link in top menu"Ais" we find ourselves on the political map of the world, on which there are also icons of ships, painted in different colors, depending on the type and purpose. The map menu on the service is a simplified version relative to the MarineTraffic service. Here, on the left side of the menu there are only 3 buttons - search, filter and layers. On the right there are 2 buttons that control the reduction or enlargement of the mini map. Above the map there is a search window for a ship or port by name.

Color codes for ships on the map of online services

Online ocean maps have the same color codes for the two listed services.

How to use the real-time ship chart on Seatracker

1. On the website https://seatracker.ru/ follow the link at the top “Ais”.
2. On the map page you can use the search and enter the name of the vessel.
3. For convenience, on the left side of the menu there is a “Filter” button, using it you can select a vessel by color.
4. Here, in the menu on the left there is an icon with layers, by selecting which you can add or remove ports, station names, beacons and images to the map.

All information that is on the site comes from AIS data. The actual time of the ship's stay, departure from the port and arrival at the port may vary by approximately 1 hour. Information on the online coordinates of all ships provided by the service is introductory information and should not be used for navigation.

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Want to find out where and what ships are or find the location of a particular vessel in real time, then select the desired quadrant on the map and look through the ships" movement. To find out what the vessel is and who it belongs to, just click on the marker of interest on the ship map.

More options (if the map above is not available)

> riverships.ru

Information on Russian river steamers (with photos).

> shipspotting.com

>shipsandharbours.com

Find the ship and see its photo.

> cfmc.ru/positioning

Information about the location of training ships.
Information on the location of vessels is provided based on data from the industry monitoring system (OSM). The positioning time is set to UTC.

> maritime.com.pl

Information on Polish courts.
Quote:
“The Maritime Shipping section consists of the following modules: Maritime Agencies, Vessel Catalog, List of Regular Lines.
This section contains a list of Polish ships in service with their full characteristics. In addition to detailed technical data, photographs, illustrations and specifications can be found here. It is possible to find all the information for any vessel by specifying its name, type of vessel, ship owner or technical parameters.”

>vesseltracker.com

If you want to see a photo of the ship, and brief information about the ship.

> marinetraffic.com

Website to monitor the vessel in real time

> containershipregister.nl
search by container name. You can search for a ship by name, by IMO, etc.

> e-ships.net
In general, search across all courts in the world, but registration is required.

>solentwaters.co.uk
You can find a ship in real time by name.
Overall a great site.

> digital-seas.com
The search contains a lot of information on the vessel, photos, descriptions, and upon registration, access to the full database.

> digital-seas.com
shows a photo of the vessel, brief information about it, current location, ports of call..
registration required

View information and photos on the ships of the shipping company MSC Ships.
Photo super quality!!!

Search and determination of the vessel's position

based on data from AIS. All vessel positions, departure from the port and arrival at the destination port in real time.

Attention! Court positions sometimes they may not correspond to real ones and lag behind by an hour or more. All coordinates of vessel positions are presented for informational purposes only. Search data from AIS cannot be used for routing

When searching, you will find accurate information about the movement of ships on the map according to the data AIS and you can see their photographs. In order to find a ship, select a sector on the map, where the number of those located there is indicated. this moment ships. We click, for example, on the region of Europe and get the picture that you see above.

If you zoom in on the area, you will see specific vessels. The map receives updates every few seconds. When you hover your cursor over a ship, you can see its name; on the site you can get other information you are interested in for searching.

To find the ship you are interested in, enter the name of the ship and, if possible, its location in the search bar and press the search key. The AIS map will show the vessel's position in real time.

This map informs not only about ships, but also the cargo carried on them, which can be useful to ship charterers. Stay with us and not a single ship will be lost.