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
He Heng
MMSI 477177200
Not yet on Master's MateFlag
HKGLength
327 m
IMO
9375707
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
33
He Heng, a craft hailing from Hong Kong, measures 327 metres on deck. Look for MMSI 477177200, IMO 9375707. Add He Heng to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
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Is He Heng 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
Last known position · Jun 3, 2026
Position
3.1893° S, 37.8592° W
Wherever He Heng 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 He Heng 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 He Heng and switch it all on
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About He Heng
What kind of vessel is He Heng?
He Heng is a vessel flagged to Hong Kong S.A.R..
Where was He Heng last seen?
He Heng was last reported in around 3°S 38°W in Jun 2026 on public AIS.
What is He Heng's MMSI?
He Heng's MMSI is 477177200. IMO 9375707.
How big is He Heng?
He Heng is about 327 m long.
Is He Heng on the Master's Mate Safety Initiative Network?
Not yet. If He Heng is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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