Station info - map view · info · telemetry · weather · raw · status · beacons · messages · bulletins · browse · moving · my account
Callsign, ship name or locator: Clear       
It is possible to search using wildcards (*?) after a prefix. Example: OH*
AIS vessel MG KRONOS - show graphs
Callsign: 3EXU9
MMSI number: 371207000
IMO number: 774288
Navigational status: Under way (engine) (0)
Vessel class: Cargo (70)
Destination: AR SNS
Location: 23°05.26' S 42°59.67' W - locator GG86MV08PX - show map
25.3 km Southeast bearing 154° from Niterói, Rio de Janeiro, Brazil [?]
25.9 km Southwest bearing 224° from Maricá, Maricá, Rio de Janeiro, Brazil
29.9 km Southeast bearing 133° from Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
59.3 km Southeast bearing 128° from Nova Iguaçu, Nova Iguaçu, Rio de Janeiro, Brazil
Last position: 2025-10-31 08:47:32 UTC (20d 2h22m ago)
2025-10-31 05:47:32 -03 local time at Niterói, Brazil [?]
Course: 93° – heading 95°
Speed: 24 km/h
Dimensions: length 228 m width 35 m draught 9.3 m
Last path: 3EXU9>ais via PY1AU
Positions stored: 15042
About this site
This page shows real-time information collected from the Automatic Position Reporting System Internet network (APRS-IS). APRS is used by amateur (ham) radio operators to transmit real-time position information, weather data, telemetry and messages over the radio. A vehicle equipped with a GPS receiver, a VHF transmitter or HF transceiver and a small computer device called a tracker transmits it's location, speed and course in a small data packet, which is then received by a nearby iGate receiving site which forwards the packet on the Internet. Systems connected to the Internet can send information on the APRS-IS without a radio transmitter, or collect and display information transmitted anywhere in the world.
User guide · FAQ · Blog · Discussion group · Linking to aprs.fi · AIS sites · Service status · Database statistics · Advertising on aprs.fi · Technical details · API · Change log · Planned changes · Credits and thanks · Terms Of Service · iPhone/iPad APRS