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 SA 03

last seen 6°S 107°E · Jun 2026 · MMSI 525300468

Not yet on Master's Mate

First reported

Jun 2026

Last reported

Jun 2026

AIS reports

TB SA 03 is a boat. On the registers she's MMSI 525300468. Add TB SA 03 to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.

Photos of TB SA 03

Free forever · No credit card

Is TB SA 03 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

Live AIS position · Jun 16, 2026 16:22 UTC

Track TB SA 03 live — sign up free →

Position

6.0936° S, 106.9506° E

Status

Under way (engine)

Speed

0.0 kn

Course

76°

Wherever TB SA 03 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 SA 03 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 SA 03 and switch it all on

Free to join · nothing to install to start · cancel anytime

Claim free → unlock everything

About TB SA 03

What kind of vessel is TB SA 03?

TB SA 03 is a vessel.

Where was TB SA 03 last seen?

TB SA 03 was last reported in around 6°S 107°E in Jun 2026 on public AIS.

What is TB SA 03's MMSI?

TB SA 03's MMSI is 525300468.

Is TB SA 03 on the Master's Mate Safety Initiative Network?

Not yet. If TB SA 03 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).