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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

NB 6321

last seen 11°N 107°E · Jun 2026 · MMSI 574404159

Not yet on Master's Mate
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
14

NB 6321 is a vessel. On AIS she shows as MMSI 574404159. It's free to add NB 6321 to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.

Free forever · No credit card

Is NB 6321 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 16, 2026 00:59 UTC
Position
10.7106° N, 106.7527° E
Status
Under way (engine)
Speed
9.3 kn
Course
192°
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 NB 6321 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 NB 6321 and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About NB 6321

What kind of vessel is NB 6321?
NB 6321 is a vessel.
Where was NB 6321 last seen?
NB 6321 was last reported in the South China Sea in Jun 2026 on public AIS.
What is NB 6321's MMSI?
NB 6321's MMSI is 574404159.
Is NB 6321 on the Master's Mate Safety Initiative Network?
Not yet. If NB 6321 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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