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
Tanto Siap
MMSI 525113008
Not yet on Master's MateFlag
IDNLength
130 m
IMO
9816464
AIS reports
2
Tanto Siap is a craft sailing under the Indonesian flag, 130 metres long. On the registers she's MMSI 525113008, IMO 9816464. Tanto Siap is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
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Is Tanto Siap 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
Wherever Tanto Siap roams, 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 Tanto Siap 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 Tanto Siap and switch it all on
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About Tanto Siap
What kind of vessel is Tanto Siap?
Tanto Siap is a vessel flagged to Indonesia.
What is Tanto Siap's MMSI?
Tanto Siap's MMSI is 525113008. IMO 9816464.
How big is Tanto Siap?
Tanto Siap is about 130 m long.
Is Tanto Siap on the Master's Mate Safety Initiative Network?
Not yet. If Tanto Siap is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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