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
Jema Prince
MMSI 440078450
Not yet on Master's MateFlag
KORLength
83 m
IMO
9159048
AIS reports
2
Jema Prince, a vessel hailing from South Korea, measures 83 metres on deck. On AIS she appears as MMSI 440078450, IMO 9159048. Claim Jema Prince free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
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Is Jema Prince 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
Wherever Jema Prince 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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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Jema Prince 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 Jema Prince and switch it all on
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About Jema Prince
What kind of vessel is Jema Prince?
Jema Prince is a vessel flagged to South Korea.
What is Jema Prince's MMSI?
Jema Prince's MMSI is 440078450. IMO 9159048.
How big is Jema Prince?
Jema Prince is about 83 m long.
Is Jema Prince on the Master's Mate Safety Initiative Network?
Not yet. If Jema Prince is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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