Master's MateSafety Initiative Network
The Master's Mate Safety Initiative Network (MMSIn) — like AAA for the ocean, but free & community-driven. Cruisers keeping each other safe: anchor-drag & distress alerts, a verified captains directory, and a watch network that has your back.
Tug
CASTOR
MMSI 276718000 · Call sign ESCV
Not yet on Master's MateType
Tug
Flag
ESTLength
34 m
Beam
12 m
Draft
4.5 m
Call sign
ESCV
IMO
9444584
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
87
CASTOR, an Estonian working tug, measures 34 metres on deck. She's built with a 12 m beam and a 4.5-metre draft. Her papers read MMSI 276718000, call sign ESCV, IMO 9444584. It's free to add CASTOR to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
Free forever · No credit card · for working boats
Built for boats that work — like CASTOR.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
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Live AIS position · Jun 9, 2026 03:56 UTC
Position
60.2209° N, 25.1979° E
Status
Moored
Speed
0.0 kn
Course
351°
Destination
VUOSAARI
ETA
04-05 16:00 UTC
Working the Baltic Sea? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put CASTOR on the map. It hands you the full bridge:
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim CASTOR and switch it all on
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About CASTOR
What kind of vessel is CASTOR?
CASTOR is a Tug flagged to Estonia.
Where was CASTOR last seen?
CASTOR was last reported in the Baltic Sea in Jun 2026 on public AIS.
What is CASTOR's MMSI?
CASTOR's MMSI is 276718000. Call sign ESCV. IMO 9444584.
How big is CASTOR?
CASTOR is about 34 m long, 12 m on the beam, drawing 4.5 m.
Is CASTOR on the Master's Mate Safety Initiative Network?
Not yet. If CASTOR is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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