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

SL DIAMANTINA

MMSI 503575000 · Call sign VJN3311

Not yet on Master's Mate

Flag

AUS

Length

32 m

Beam

12 m

Draft

5.8 m

Call sign

VJN3311

IMO

9417505

First reported

Jun 2026

Last reported

Jun 2026

AIS reports

Registered in Ashmore and Cartier Islands, SL DIAMANTINA is a 32-metre craft. Her hull carries 12 metres in the beam and a draft of 5.8 m. Find her under MMSI 503575000, call sign VJN3311, IMO 9417505. SL DIAMANTINA can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.

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Last known position · Jun 3, 2026

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Position

33.9809° S, 151.2099° E

Crossing the Tasman Sea? You're never out there alone.

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Joining the Safety Initiative Network doesn't just put SL DIAMANTINA 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 SL DIAMANTINA

What kind of vessel is SL DIAMANTINA?

SL DIAMANTINA is a vessel flagged to Ashmore and Cartier Islands.

Where was SL DIAMANTINA last seen?

SL DIAMANTINA was last reported in the Tasman Sea in Jun 2026 on public AIS.

What is SL DIAMANTINA's MMSI?

SL DIAMANTINA's MMSI is 503575000. Call sign VJN3311. IMO 9417505.

How big is SL DIAMANTINA?

SL DIAMANTINA is about 32 m long, 12 m on the beam, drawing 5.8 m.

Is SL DIAMANTINA on the Master's Mate Safety Initiative Network?

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