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

Ym Efficiency

MMSI 636013698

Not yet on Master's Mate

Flag

LBR

Length

268.8 m

IMO

9353280

AIS reports

Ym Efficiency, a vessel hailing from Liberia, measures 268.8 metres on deck. Find her under MMSI 636013698, IMO 9353280. Ym Efficiency is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.

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Is Ym Efficiency 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 Ym Efficiency 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 Ym Efficiency 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 Ym Efficiency and switch it all on

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About Ym Efficiency

What kind of vessel is Ym Efficiency?

Ym Efficiency is a vessel flagged to Liberia.

What is Ym Efficiency's MMSI?

Ym Efficiency's MMSI is 636013698. IMO 9353280.

How big is Ym Efficiency?

Ym Efficiency is about 268.8 m long.

Is Ym Efficiency on the Master's Mate Safety Initiative Network?

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