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
TB MARINA 1627
MMSI 525500156 · Call sign YDB3139
Not yet on Master's MateFlag
IDNLength
26 m
Beam
8 m
Call sign
YDB3139
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
TB MARINA 1627, a craft under Indonesian registration, measures 26 metres on deck. She's built with a 8 m beam. On AIS she shows as MMSI 525500156, call sign YDB3139. Put TB MARINA 1627 on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.
Free forever · No credit card
Is TB MARINA 1627 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
2.4906° S, 104.9430° E
Wherever TB MARINA 1627 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 TB MARINA 1627 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 TB MARINA 1627 and switch it all on
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About TB MARINA 1627
What kind of vessel is TB MARINA 1627?
TB MARINA 1627 is a vessel flagged to Indonesia.
Where was TB MARINA 1627 last seen?
TB MARINA 1627 was last reported in around 2°S 105°E in Jun 2026 on public AIS.
What is TB MARINA 1627's MMSI?
TB MARINA 1627's MMSI is 525500156. Call sign YDB3139.
How big is TB MARINA 1627?
TB MARINA 1627 is about 26 m long, 8 m on the beam.
Is TB MARINA 1627 on the Master's Mate Safety Initiative Network?
Not yet. If TB MARINA 1627 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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