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
DUC SAN 558
last seen 11°N 107°E · Jun 2026 · MMSI 574015251
Not yet on Master's MateLength
76 m
Beam
17 m
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
6
DUC SAN 558 is a craft, 76 metres LOA. Her hull carries a 17-metre beam. Officially she's MMSI 574015251. It's free to add DUC SAN 558 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 DUC SAN 558 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 17:03 UTC
Position
10.6111° N, 107.0202° E
Status
Under way (engine)
Speed
0.0 kn
Course
188°
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.
Free with your claim
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put DUC SAN 558 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 DUC SAN 558 and switch it all on
Free to join · nothing to install to start · cancel anytime
About DUC SAN 558
What kind of vessel is DUC SAN 558?
DUC SAN 558 is a vessel.
Where was DUC SAN 558 last seen?
DUC SAN 558 was last reported in the South China Sea in Jun 2026 on public AIS.
What is DUC SAN 558's MMSI?
DUC SAN 558's MMSI is 574015251.
How big is DUC SAN 558?
DUC SAN 558 is about 76 m long, 17 m on the beam.
Is DUC SAN 558 on the Master's Mate Safety Initiative Network?
Not yet. If DUC SAN 558 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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