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.
Vessel
Spectrum of the Seas
MMSI 210563000
Not yet on Master's MateFlag
CYPLength
347 m
IMO
9778856
AIS reports
1
Spectrum of the Seas is a boat sailing under the Cypriot flag, 347 metres long. Officially she's MMSI 210563000, IMO 9778856. Spectrum of the Seas is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.
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Is Spectrum of the Seas your boat?
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 10, 2026 00:26 UTC
Position
35.1105° N, 129.0506° E
Status
Moored
Speed
0.0 kn
Course
314°
Destination
KR PUS
ETA
06-09 20:45 UTC
Crossing the Sea of Japan? You're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Spectrum of the Seas 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.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
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 Spectrum of the Seas and switch it all on
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About Spectrum of the Seas
What kind of vessel is Spectrum of the Seas?
Spectrum of the Seas is a vessel flagged to Cyprus.
Where was Spectrum of the Seas last seen?
Spectrum of the Seas was last reported in the Sea of Japan on public AIS.
What is Spectrum of the Seas's MMSI?
Spectrum of the Seas's MMSI is 210563000. IMO 9778856.
How big is Spectrum of the Seas?
Spectrum of the Seas is about 347 m long.
Is Spectrum of the Seas on the Master's Mate Safety Initiative Network?
Not yet. If Spectrum of the Seas is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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