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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

AO SIN NO.31

Taiwan · last seen 25°N 121°E · Jun 2026 · MMSI 416000882

Not yet on Master's Mate
Flag
TWNTWN
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
7

AO SIN NO.31 is a vessel flagged in Taiwan. On AIS she shows as MMSI 416000882. Bring AO SIN NO.31 aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.

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Is AO SIN NO.31 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.

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Last known position · Jun 4, 2026
Position
25.2766° N, 121.2118° E
Crossing the East 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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Joining the Safety Initiative Network doesn't just put AO SIN NO.31 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 AO SIN NO.31 and switch it all on
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About AO SIN NO.31

What kind of vessel is AO SIN NO.31?
AO SIN NO.31 is a vessel flagged to Taiwan.
Where was AO SIN NO.31 last seen?
AO SIN NO.31 was last reported in the East China Sea in Jun 2026 on public AIS.
What is AO SIN NO.31's MMSI?
AO SIN NO.31's MMSI is 416000882.
Is AO SIN NO.31 on the Master's Mate Safety Initiative Network?
Not yet. If AO SIN NO.31 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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