Callsign:	JD4157
MMSI number:	431009191
IMO number:	807920
Navigational status:	Under way (engine) (0)
Vessel class:	Cargo (70)
Destination:	>JP MKW OFF (ETA Dec23 06:00)
Location:	36°12.84' N 140°54.48' E - locator QM06KF81XI - show map 29.9 km East bearing 112° from Ōarai, Ibaraki, Japan [?] 38.5 km Southeast bearing 119° from Katsuta, Ibaraki, Japan 124.0 km Northeast bearing 62° from Tokyo, Tōkyō, Japan 142.3 km Northeast bearing 53° from Yokohama-shi, Kanagawa, Japan
Last position:	2026-01-26 16:44:36 UTC (4d 5h17m ago) 2026-01-27 01:44:36 JST local time at Ōarai, Japan [?]
Course:	1° – heading 4°
Speed:	20 km/h
Dimensions:	length 74 m width 12 m draught 4.0 m
Last path:	JD4157>ais via IC8HFW
Positions stored:	47967

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.