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

Serifos Warrior

MMSI 636015871

Not yet on Master's Mate

Flag

LBR

Length

234 m

IMO

9641857

AIS reports

Serifos Warrior, a Liberian vessel, measures 234 metres on deck. Her papers read MMSI 636015871, IMO 9641857. Serifos Warrior is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.

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Is Serifos Warrior 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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Wherever Serifos Warrior 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 Serifos Warrior 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 Serifos Warrior and switch it all on

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About Serifos Warrior

What kind of vessel is Serifos Warrior?

Serifos Warrior is a vessel flagged to Liberia.

What is Serifos Warrior's MMSI?

Serifos Warrior's MMSI is 636015871. IMO 9641857.

How big is Serifos Warrior?

Serifos Warrior is about 234 m long.

Is Serifos Warrior on the Master's Mate Safety Initiative Network?

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