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
Tunas Dua
MMSI 525020882
Not yet on Master's MateFlag
IDNLength
80 m
IMO
8017877
AIS reports
2
Tunas Dua is an Indonesian vessel, 80 metres from stem to stern. Her registration reads MMSI 525020882, IMO 8017877. Give Tunas Dua the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
Free forever · No credit card
Is Tunas Dua 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 Tunas Dua 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 Tunas Dua 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 Tunas Dua and switch it all on
Free to join · nothing to install to start · cancel anytime
About Tunas Dua
What kind of vessel is Tunas Dua?
Tunas Dua is a vessel flagged to Indonesia.
What is Tunas Dua's MMSI?
Tunas Dua's MMSI is 525020882. IMO 8017877.
How big is Tunas Dua?
Tunas Dua is about 80 m long.
Is Tunas Dua on the Master's Mate Safety Initiative Network?
Not yet. If Tunas Dua is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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