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.

Unclassified

COLD SPRING HARBOR

MMSI 367016440 · Call sign WDC3927

Not yet on Master's Mate

Type

Unclassified

Flag

USA

Length

71.9 m

Beam

15.2 m

Draft

4.5 m

Call sign

WDC3927

Official No.

298499

AIS reports

COLD SPRING HARBOR is an American vessel — 71.9 metres overall. She has a beam of 15.2 m and a draft measuring 4.5 metres. She broadcasts as MMSI 367016440, call sign WDC3927. COLD SPRING HARBOR can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.

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Is COLD SPRING HARBOR 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 COLD SPRING HARBOR 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 COLD SPRING HARBOR 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 COLD SPRING HARBOR and switch it all on

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About COLD SPRING HARBOR

What kind of vessel is COLD SPRING HARBOR?

COLD SPRING HARBOR is a Unclassified flagged to United States of America.

What is COLD SPRING HARBOR's MMSI?

COLD SPRING HARBOR's MMSI is 367016440. Call sign WDC3927.

How big is COLD SPRING HARBOR?

COLD SPRING HARBOR is about 71.9 m long, 15.2 m on the beam, drawing 4.5 m.

Is COLD SPRING HARBOR on the Master's Mate Safety Initiative Network?

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