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
SC4548B
Singapore · last seen 1°N 104°E · Jun 2026 · MMSI 563021590
Not yet on Master's MateFlag
SGPFirst reported
Jun 2026
Last reported
Jun 2026
AIS reports
18
SC4548B is a craft, on the Singapore registry. She broadcasts as MMSI 563021590. SC4548B belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
Free forever · No credit card
Is SC4548B 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
1.2792° N, 103.8854° E
Crossing the Strait of Malacca? 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 SC4548B 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 SC4548B and switch it all on
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About SC4548B
What kind of vessel is SC4548B?
SC4548B is a vessel flagged to Singapore.
Where was SC4548B last seen?
SC4548B was last reported in the Strait of Malacca in Jun 2026 on public AIS.
What is SC4548B's MMSI?
SC4548B's MMSI is 563021590.
Is SC4548B on the Master's Mate Safety Initiative Network?
Not yet. If SC4548B is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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