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
Juneyao Maru IV
MMSI 525018280
Not yet on Master's MateFlag
IDNLength
88.3 m
IMO
9711212
AIS reports
2
An Indonesian craft, Juneyao Maru IV measures 88.3 metres. On the registers she's MMSI 525018280, IMO 9711212. Juneyao Maru IV is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
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Is Juneyao Maru IV 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 Juneyao Maru IV 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 Juneyao Maru IV 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 Juneyao Maru IV and switch it all on
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About Juneyao Maru IV
What kind of vessel is Juneyao Maru IV?
Juneyao Maru IV is a vessel flagged to Indonesia.
What is Juneyao Maru IV's MMSI?
Juneyao Maru IV's MMSI is 525018280. IMO 9711212.
How big is Juneyao Maru IV?
Juneyao Maru IV is about 88.3 m long.
Is Juneyao Maru IV on the Master's Mate Safety Initiative Network?
Not yet. If Juneyao Maru IV is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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