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
POLARIS
MMSI 230961000 · Call sign OJLC
Not yet on Master's MateType
Tug
Flag
FINLength
32 m
Beam
9 m
Draft
4.7 m
Call sign
OJLC
IMO
6411421
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
53
POLARIS, a harbour tug flying the Finnish flag, measures 32 metres on deck. She has a 9-metre beam and a draft of 4.7 m. Her registration reads MMSI 230961000, call sign OJLC, IMO 6411421. POLARIS can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.
Free forever · No credit card · for working boats
Built for boats that work — like POLARIS.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 4, 2026
Position
60.0155° N, 23.9267° E
Working the Baltic Sea? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put POLARIS 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 POLARIS and switch it all on
Free to join · nothing to install to start · cancel anytime
About POLARIS
What kind of vessel is POLARIS?
POLARIS is a Tug flagged to Finland.
Where was POLARIS last seen?
POLARIS was last reported in the Baltic Sea in Jun 2026 on public AIS.
What is POLARIS's MMSI?
POLARIS's MMSI is 230961000. Call sign OJLC. IMO 6411421.
How big is POLARIS?
POLARIS is about 32 m long, 9 m on the beam, drawing 4.7 m.
Is POLARIS on the Master's Mate Safety Initiative Network?
Not yet. If POLARIS is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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