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

Cs Summer

MMSI 355231000

Not yet on Master's Mate

Flag

PAN

Length

116.5 m

IMO

9366938

AIS reports

Out of Panama, Cs Summer is an 116.5-metre vessel. On AIS she shows as MMSI 355231000, IMO 9366938. Add Cs Summer to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.

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Is Cs Summer 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 Cs Summer 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 Cs Summer 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 Cs Summer and switch it all on

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Claim free → unlock everything

About Cs Summer

What kind of vessel is Cs Summer?

Cs Summer is a vessel flagged to Panama.

What is Cs Summer's MMSI?

Cs Summer's MMSI is 355231000. IMO 9366938.

How big is Cs Summer?

Cs Summer is about 116.5 m long.

Is Cs Summer on the Master's Mate Safety Initiative Network?

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