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.
Passenger
PRINCESS CAROLINE
MMSI 230174220 · Call sign OHA4027
Not yet on Master's MateType
Passenger
Flag
FINDraft
2.4 m
Call sign
OHA4027
IMO
8326357
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
PRINCESS CAROLINE flies the Finnish flag — a passenger craft. Her hull carries a draft measuring 2.4 metres. On the registers she's MMSI 230174220, call sign OHA4027, IMO 8326357. PRINCESS CAROLINE is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard PRINCESS CAROLINE safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 19:27 UTC
Position
60.4439° N, 22.2526° E
Status
Moored
Speed
0.0 kn
Course
360°
Destination
TKU/NLI/TKU
ETA
06-05 21:00 UTC
Sailing the Baltic Sea? You're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
Free with your claim · for passenger & charter operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put PRINCESS CAROLINE on the map. It hands you the full bridge:
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
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 PRINCESS CAROLINE and switch it all on
Free to join · nothing to install to start · cancel anytime
About PRINCESS CAROLINE
What kind of vessel is PRINCESS CAROLINE?
PRINCESS CAROLINE is a Passenger flagged to Finland.
Where was PRINCESS CAROLINE last seen?
PRINCESS CAROLINE was last reported in the Baltic Sea in Jun 2026 on public AIS.
What is PRINCESS CAROLINE's MMSI?
PRINCESS CAROLINE's MMSI is 230174220. Call sign OHA4027. IMO 8326357.
Is PRINCESS CAROLINE on the Master's Mate Safety Initiative Network?
Not yet. If PRINCESS CAROLINE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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