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

Posh Mariam

MMSI 563008100

Not yet on Master's Mate

Flag

SGP

Length

49.4 m

IMO

9809617

AIS reports

Registered in Singapore, Posh Mariam is a 49.4-metre boat. Her papers read MMSI 563008100, IMO 9809617. Posh Mariam is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.

Free forever · No credit card

Is Posh Mariam 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 Posh Mariam 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 Posh Mariam 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 Posh Mariam and switch it all on

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About Posh Mariam

What kind of vessel is Posh Mariam?

Posh Mariam is a vessel flagged to Singapore.

What is Posh Mariam's MMSI?

Posh Mariam's MMSI is 563008100. IMO 9809617.

How big is Posh Mariam?

Posh Mariam is about 49.4 m long.

Is Posh Mariam on the Master's Mate Safety Initiative Network?

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