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

Ocean Spring

MMSI 563832000

Not yet on Master's Mate

Flag

SGP

Length

178.5 m

IMO

9379038

AIS reports

Ocean Spring is a Singaporean 178.5-metre vessel. Officially she's MMSI 563832000, IMO 9379038. Ocean Spring belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.

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Is Ocean Spring 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 Ocean Spring 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 Ocean Spring 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 Ocean Spring and switch it all on

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About Ocean Spring

What kind of vessel is Ocean Spring?

Ocean Spring is a vessel flagged to Singapore.

What is Ocean Spring's MMSI?

Ocean Spring's MMSI is 563832000. IMO 9379038.

How big is Ocean Spring?

Ocean Spring is about 178.5 m long.

Is Ocean Spring on the Master's Mate Safety Initiative Network?

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