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 DEFENDER - show graphs
Callsign:
MMSI number: 338309386
Navigational status: Under way (engine) (0)
Vessel class: Fishing (30)
Location: 44°05.94' N 69°05.00' W - locator FN54LC03AR - show map
1.3 miles East bearing 104° from Rockland, Knox County, Maine, United States [?]
1.7 miles Northwest bearing 312° from Owls Head, Knox County, Maine, United States
56.1 miles East bearing 90° from Lewiston, Androscoggin County, Maine, United States
65.7 miles Northeast bearing 62° from Portland, Cumberland County, Maine, United States
Last position: 2025-02-06 14:43:36 EST (1d 8h1m ago)
2025-02-06 14:43:36 EST local time at Rockland, United States [?]
Course: 278° – heading 511°
Speed: 11 MPH
Dimensions: length 12 m width 5 m draught 0.0 m
Last path: >ais via KN0O
Positions stored: 1299
Stations near current position of DEFENDER - show more
callsign distance last heard - EST      callsign distance last heard - EST
DEVOTION0.4 miles 296°2025-01-17 13:04:10 EQUINOX0.5 miles 303°2025-01-31 16:38:32
ISLAND TRNASPORTER0.9 miles 246°2025-02-05 14:36:08 CGC THUNDER BAY1.0 miles 295°2025-02-01 17:58:02
CG292411.0 miles 292°2025-02-07 08:23:19 EMMA & ANDREW1.0 miles 291°2025-02-06 10:55:50
CAPTAIN RAY O'NEAL1.0 miles 286°2025-02-07 21:07:08 PILOT DIRIGO1.0 miles 292°2025-02-05 13:53:51
EZ RIDER II1.0 miles 284°2025-02-06 18:14:41 KATRINA PAIGE1.1 miles 319°2025-01-14 08:44:05
STEPHEN TABER1.3 miles 292°2025-02-07 22:41:28 DOROTHY L1.3 miles 318°2025-02-07 11:35:05
3673688021.3 miles 299°2025-02-03 09:31:07 CHARLES NORMAN SHAY1.3 miles 293°2025-02-04 14:53:23
FOUR BROTHERS1.3 miles 319°2025-02-07 22:39:27 CAPT C. PHILBROOK1.4 miles 296°2025-02-07 16:34:04
CARSON EMMA1.7 miles 94°2025-02-05 14:22:03 REVERENCE1.8 miles 85°2025-02-06 18:42:47
CLAIRE ELIZABETH2.1 miles 106°2025-01-09 09:53:25 KX1EMA-102.2 miles 287°2025-02-07 22:39:26
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