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
HVS 51.H9
last seen 10°N 107°E · Jun 2026 · MMSI 574015303 · Call sign 3WPN
Not yet on Master's MateLength
37 m
Beam
10 m
Call sign
3WPN
IMO
8532607
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
15
HVS 51.H9 is a 37-metre vessel. She has a 10 m beam. Find her under MMSI 574015303, call sign 3WPN, IMO 8532607. Put HVS 51.H9 on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.
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Is HVS 51.H9 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 15, 2026 20:04 UTC
Position
10.4970° N, 107.0006° E
Status
Under way (engine)
Speed
0.0 kn
Course
45°
Crossing the South China Sea? 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 HVS 51.H9 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 HVS 51.H9 and switch it all on
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About HVS 51.H9
What kind of vessel is HVS 51.H9?
HVS 51.H9 is a vessel.
Where was HVS 51.H9 last seen?
HVS 51.H9 was last reported in the South China Sea in Jun 2026 on public AIS.
What is HVS 51.H9's MMSI?
HVS 51.H9's MMSI is 574015303. Call sign 3WPN. IMO 8532607.
How big is HVS 51.H9?
HVS 51.H9 is about 37 m long, 10 m on the beam.
Is HVS 51.H9 on the Master's Mate Safety Initiative Network?
Not yet. If HVS 51.H9 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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