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 CHOSEIMARU NO.73 - show graphs
Map loading...
Callsign: 431010337
MMSI number: 431010337
IMO number: 565869
Navigational status: Undefined/default (15)
Vessel class: (90)
Location: 35°30.31' N 139°43.92' E - locator PM95UM71UF - show map - static map
1.4 miles Southeast bearing 142° from Kawasaki, Kanagawa, Japan [?]
6.4 miles Northeast bearing 52° from Yokohama-shi, Kanagawa, Japan
12.9 miles South bearing 170° from Tokyo, Tōkyō, Japan
Last position: 2021-04-15 04:54:26 EDT (1d 19h52m ago)
2021-04-15 17:54:26 JST local time at Kawasaki, Japan [?]
Course: 357°
Speed: 9 MPH
Dimensions: length 18 m width 6 m draught 0.0 m
Last path: 431010337>ais via GM7HHB
Positions stored: 342
Stations near current position of CHOSEIMARU NO.73 - show more
callsign distance last heard - EDT      callsign distance last heard - EDT
MIDORIMARU0.4 miles 0°2021-04-17 00:11:25 KOEI MARU0.5 miles 187°2021-04-17 00:43:30
CHOUSEIMARU NO.230.5 miles 138°2021-04-02 02:06:10 HOKUYO MARU0.5 miles 347°2021-04-16 22:12:22
KOWHAI0.5 miles 200°2021-04-17 00:29:22 DAI51SHINKOUMARU0.6 miles 174°2021-04-16 05:19:05
JE1UDL-50.9 miles 67°2021-04-15 23:29:02 DAISINMARU NO.111.0 miles 220°2021-04-17 00:14:25
CORAL ACTINIA1.0 miles 208°2021-03-18 18:06:48 JP TSUBAKI1.0 miles 232°2021-04-16 22:51:23
SYUNYOMARU1.1 miles 57°2021-04-16 21:07:40 SHOSEI1.1 miles 57°2021-04-17 00:27:23
PU SHUN1.1 miles 69°2021-04-11 22:23:21 JIN DA 271.1 miles 69°2021-04-16 20:16:00
TT STAR1.2 miles 77°2021-04-16 20:37:20 TENYOO MARU1.2 miles 209°2021-04-02 06:56:57
SANKOTSUBASA1.2 miles 212°2021-04-13 22:25:32 YUN TONG1.3 miles 79°2021-04-16 23:33:24
HAKUYU MARU1.3 miles 48°2021-04-16 20:03:05 SHINWAMARU1.3 miles 40°2021-04-14 20:43:14
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