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 CHOYO MARU - show graphs
Callsign: JD4785
MMSI number: 431014961
IMO number: 883455
Navigational status: Under way (engine) (0)
Vessel class: Tanker (80)
Destination: JP:IHA (ETA Feb10 08:00)
Location: 34°30.58' N 136°49.06' E - locator PM84JM82CH - show map
4.2 km Northwest bearing 315° from Toba, Mie, Japan [?]
11.2 km East bearing 75° from Ise, Mie, Japan
75.1 km South bearing 186° from Nagoya-shi, Aichi, Japan
112.5 km Southeast bearing 120° from Kyoto, Kyōto, Japan
Last position: 2025-02-11 04:59:16 UTC (13h17m ago)
2025-02-11 13:59:16 JST local time at Toba, Japan [?]
Course: 292° – heading 297°
Speed: 18 km/h
Dimensions: length 53 m width 10 m draught 0.0 m
Last path: JD4785>ais via _supersuzy
Positions stored: 45471
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