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
High Sea Passage
MMSI 417230440
Not yet on Master's MateFlag
LKALength
52 m
IMO
8708933
AIS reports
2
High Sea Passage is a vessel listed on the Sri Lanka registry, measuring 52 metres. Look for MMSI 417230440, IMO 8708933. High Sea Passage is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
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Is High Sea Passage 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.
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Wherever High Sea Passage roams, 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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Joining the Safety Initiative Network doesn't just put High Sea Passage 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 High Sea Passage and switch it all on
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About High Sea Passage
What kind of vessel is High Sea Passage?
High Sea Passage is a vessel flagged to Sri Lanka.
What is High Sea Passage's MMSI?
High Sea Passage's MMSI is 417230440. IMO 8708933.
How big is High Sea Passage?
High Sea Passage is about 52 m long.
Is High Sea Passage on the Master's Mate Safety Initiative Network?
Not yet. If High Sea Passage is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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