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

GAUNG MAS

MMSI 525121062 · Call sign YDGA3

Not yet on Master's Mate

Flag

IDN

Length

132 m

Beam

28 m

Draft

5 m

Call sign

YDGA3

IMO

9977012

First reported

Jun 2026

Last reported

Jun 2026

AIS reports

GAUNG MAS, a craft flagged in Indonesia, measures 132 metres on deck. She has a 28 m beam and a draft measuring 5 metres. On AIS she shows as MMSI 525121062, call sign YDGA3, IMO 9977012. GAUNG MAS can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.

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Last known position · Jun 4, 2026

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Position

6.6656° S, 112.4256° E

Wherever GAUNG MAS roams, you're never out there alone.

Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.

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Joining the Safety Initiative Network doesn't just put GAUNG MAS 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.

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About GAUNG MAS

What kind of vessel is GAUNG MAS?

GAUNG MAS is a vessel flagged to Indonesia.

Where was GAUNG MAS last seen?

GAUNG MAS was last reported in around 7°S 112°E in Jun 2026 on public AIS.

What is GAUNG MAS's MMSI?

GAUNG MAS's MMSI is 525121062. Call sign YDGA3. IMO 9977012.

How big is GAUNG MAS?

GAUNG MAS is about 132 m long, 28 m on the beam, drawing 5 m.

Is GAUNG MAS on the Master's Mate Safety Initiative Network?

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