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

Sao Diana

MMSI 538008045

Not yet on Master's Mate

Flag

MHL

Length

333 m

IMO

9822255

AIS reports

Sao Diana, a craft sailing under the Marshall Islands flag, measures 333 metres on deck. She's on record as MMSI 538008045, IMO 9822255. It's free to add Sao Diana to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.

Free forever · No credit card

Is Sao Diana 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

Wherever Sao Diana 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 Sao Diana 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 Sao Diana and switch it all on

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

Claim free → unlock everything

About Sao Diana

What kind of vessel is Sao Diana?

Sao Diana is a vessel flagged to Marshall Islands.

What is Sao Diana's MMSI?

Sao Diana's MMSI is 538008045. IMO 9822255.

How big is Sao Diana?

Sao Diana is about 333 m long.

Is Sao Diana on the Master's Mate Safety Initiative Network?

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