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

Heilan Spring

MMSI 355225000

Not yet on Master's Mate

Flag

PAN

Length

189 m

IMO

9587996

AIS reports

Registered in Panama, Heilan Spring is an 189-metre craft. She's on record as MMSI 355225000, IMO 9587996. Give Heilan Spring the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.

Free forever · No credit card

Is Heilan 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.

Claim this boat — free →

Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers

Wherever Heilan 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.

Free with your claim

The most powerful cruising platform ever built — yours, free.

Joining the Safety Initiative Network doesn't just put Heilan 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 Heilan Spring and switch it all on

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About Heilan Spring

What kind of vessel is Heilan Spring?

Heilan Spring is a vessel flagged to Panama.

What is Heilan Spring's MMSI?

Heilan Spring's MMSI is 355225000. IMO 9587996.

How big is Heilan Spring?

Heilan Spring is about 189 m long.

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

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