Callsign:	WDN4581
MMSI number:	338896000
IMO number:	670365
Navigational status:	Moored (5)
Vessel class:	(10)
Destination:	NAVAGANTES BR (ETA Jul03 15:00)
Location:	22°52.18' S 43°12.75' W - locator GG87JD41MG - show map 3.7 km North bearing 352° from Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil [?] 11.2 km West bearing 278° from Niterói, Rio de Janeiro, Brazil 27.4 km Southeast bearing 117° from Nova Iguaçu, Nova Iguaçu, Rio de Janeiro, Brazil
Last position:	2025-09-02 20:16:14 UTC (4h34m ago) 2025-09-02 17:16:14 -03 local time at Rio de Janeiro, Brazil [?]
Course:	217.80000305176° – heading 221°
Speed:	0 km/h
Dimensions:	length 91 m width 18 m draught 5.0 m
Last path:	WDN4581>ais via PY1AU
Positions stored:	2327

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.