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

Sea Arrow

MMSI 636016532

Not yet on Master's Mate

Flag

LBR

Length

186 m

IMO

9166871

AIS reports

Registered in Liberia, Sea Arrow is an 186-metre vessel. She's on record as MMSI 636016532, IMO 9166871. Sea Arrow belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.

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Is Sea Arrow 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 Sea Arrow 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 Sea Arrow 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 Sea Arrow and switch it all on

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About Sea Arrow

What kind of vessel is Sea Arrow?

Sea Arrow is a vessel flagged to Liberia.

What is Sea Arrow's MMSI?

Sea Arrow's MMSI is 636016532. IMO 9166871.

How big is Sea Arrow?

Sea Arrow is about 186 m long.

Is Sea Arrow on the Master's Mate Safety Initiative Network?

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