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

Spencer Gulf

MMSI 503530000

Not yet on Master's Mate

Flag

AUS

Length

97 m

IMO

9360180

AIS reports

Registered in Ashmore and Cartier Islands, Spencer Gulf is a 97-metre craft. She's listed under MMSI 503530000, IMO 9360180. Spencer Gulf is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.

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Is Spencer Gulf 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.

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Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers

Wherever Spencer Gulf 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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The most powerful cruising platform ever built — yours, free.

Joining the Safety Initiative Network doesn't just put Spencer Gulf 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 Spencer Gulf and switch it all on

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About Spencer Gulf

What kind of vessel is Spencer Gulf?

Spencer Gulf is a vessel flagged to Ashmore and Cartier Islands.

What is Spencer Gulf's MMSI?

Spencer Gulf's MMSI is 503530000. IMO 9360180.

How big is Spencer Gulf?

Spencer Gulf is about 97 m long.

Is Spencer Gulf on the Master's Mate Safety Initiative Network?

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