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.
Sailing
TB.SABANG.73
MMSI 525201443 · Call sign YDC4288
Not yet on Master's MateType
Sailing
Flag
IDNLength
220 m
Beam
70 m
Draft
3.5 m
Call sign
YDC4288
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
54
Out of Indonesia, TB.SABANG.73 is a 220-metre cruising yacht. TB.SABANG.73 has a 70-metre beam and a 3.5-metre draft. On AIS she shows as MMSI 525201443, call sign YDC4288. TB.SABANG.73 can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.
Free forever · No credit card · for cruisers
Sleep easy on the hook aboard TB.SABANG.73.
GPS-precise anchor-drag alarms, ETA-calibrated weather routing, worldwide charts, and cruisers watching each other’s backs.
Set her anchor watch — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 3, 2026
Position
5.9760° S, 106.9355° E
Wherever TB.SABANG.73 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 · for cruisers
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put TB.SABANG.73 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.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
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.
Claim TB.SABANG.73 and switch it all on
Free to join · nothing to install to start · cancel anytime
About TB.SABANG.73
What kind of vessel is TB.SABANG.73?
TB.SABANG.73 is a Sailing flagged to Indonesia.
Where was TB.SABANG.73 last seen?
TB.SABANG.73 was last reported in around 6°S 107°E in Jun 2026 on public AIS.
What is TB.SABANG.73's MMSI?
TB.SABANG.73's MMSI is 525201443. Call sign YDC4288.
How big is TB.SABANG.73?
TB.SABANG.73 is about 220 m long, 70 m on the beam, drawing 3.5 m.
Is TB.SABANG.73 on the Master's Mate Safety Initiative Network?
Not yet. If TB.SABANG.73 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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