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AIS vessel ROCHESTER CASTLE - show graphs
Callsign: 3FTL4
MMSI number: 357558000
IMO number: 893163
Navigational status: Under way (engine) (0)
Vessel class: (0)
Destination: POINT LISAS
Location: 27°24.75' N 96°05.16' W - locator EL17WJ98QX - show map
106.8 km Southeast bearing 116° from Port Aransas, Nueces County, Texas, United States [?]
116.8 km Southeast bearing 125° from Rockport, Aransas County, Texas, United States
122.3 km Southeast bearing 115° from Ingleside, San Patricio County, Texas, United States
Last position: 2026-01-07 12:35:12 UTC (8d 21h30m ago)
2026-01-07 06:35:12 CST local time at Port Aransas, United States [?]
Course: 298° – heading 286°
Speed: 5 km/h
Dimensions: length 183 m width 32 m draught 0.0 m
Last path: 3FTL4>ais via N5JLR
Positions stored: 16505
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.
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