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 TSURUYOSHI MARU NO.7 - show graphs
Callsign: JD3770
MMSI number: 431005872
Navigational status: Under way (engine) (0)
Vessel class: Cargo (70)
Location: 34°27.39' N 137°00.20' E - locator PM84MK09JN - show map
14.4 km East bearing 102° from Toba, Mie, Japan [?]
27.8 km South bearing 167° from Toyohama, Aichi, Japan
81.0 km South bearing 174° from Nagoya-shi, Aichi, Japan
130.2 km Southeast bearing 118° from Kyoto, Kyōto, Japan
Last position: 2025-11-12 08:03:04 UTC (4h40m ago)
2025-11-12 17:03:04 JST local time at Toba, Japan [?]
Course: 196.4° – heading 511°
Speed: 19 km/h
Dimensions: length 72 m width 11 m draught 0.0 m
Last path: JD3770>ais via Gamagori1240
Positions stored: 53241
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