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.
Pleasure Craft
SEAMMETRY
MMSI 241873000 · Call sign SVB4381
Not yet on Master's MateType
Pleasure Craft
Flag
GRCLength
24 m
Beam
6 m
Draft
2.4 m
Call sign
SVB4381
IMO
1038690
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
Out of Greece, SEAMMETRY is a 24-metre family boat. She carries a beam of 6 m and a 2.4-metre draft. Officially she's MMSI 241873000, call sign SVB4381, IMO 1038690. Sign SEAMMETRY up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
Free forever · No credit card · for recreational captains
Keep SEAMMETRY looked after — even when you’re not aboard.
Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.
Look after her — claim free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 09:32 UTC
Position
36.9299° N, 24.9992° E
Status
Under way (engine)
Speed
16.1 kn
Course
270°
Cruising the Aegean 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 recreational captains
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SEAMMETRY on the map. It hands you the full bridge:
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim SEAMMETRY and switch it all on
Free to join · nothing to install to start · cancel anytime
About SEAMMETRY
What kind of vessel is SEAMMETRY?
SEAMMETRY is a Pleasure Craft flagged to Greece.
Where was SEAMMETRY last seen?
SEAMMETRY was last reported in the Aegean Sea in Jun 2026 on public AIS.
What is SEAMMETRY's MMSI?
SEAMMETRY's MMSI is 241873000. Call sign SVB4381. IMO 1038690.
How big is SEAMMETRY?
SEAMMETRY is about 24 m long, 6 m on the beam, drawing 2.4 m.
Is SEAMMETRY on the Master's Mate Safety Initiative Network?
Not yet. If SEAMMETRY is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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