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.

Commercial Fishing Vessel

Mary Catherine

MMSI 367341830 · Call sign WDE3629

Not yet on Master's Mate

Type

Commercial Fishing Vessel

Flag

USA

Length

15.3 m

Beam

5.1 m

Draft

2 m

Call sign

WDE3629

Official No.

277277

AIS reports

Mary Catherine, a commercial fishing boat flying the flag of the United States, measures 15.3 metres on deck. Below, she has a beam of 5.1 m and a draft measuring 2 metres. Officially she's MMSI 367341830, call sign WDE3629. Out where help is far away, Mary Catherine has the free Master's Mate Safety Initiative Network — and a fleet that answers.

Free forever · No credit card · for working captains

Know where the fleet is. Get Mary Catherine home safe.

Live AIS traffic, weather you can plan around, engine & systems telemetry, and a distress mesh that reaches nearby boats.

Keep the fleet in sight — free →

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

Wherever Mary Catherine 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 · for working captains

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

Joining the Safety Initiative Network doesn't just put Mary Catherine on the map. It hands you the full bridge:

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.

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.

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.

Onboard Cameras

Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.

Hail Any Captain

A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.

Claim Mary Catherine and switch it all on

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Claim free → unlock everything

About Mary Catherine

What kind of vessel is Mary Catherine?

Mary Catherine is a Commercial Fishing Vessel flagged to United States of America.

What is Mary Catherine's MMSI?

Mary Catherine's MMSI is 367341830. Call sign WDE3629.

How big is Mary Catherine?

Mary Catherine is about 15.3 m long, 5.1 m on the beam, drawing 2 m.

Is Mary Catherine on the Master's Mate Safety Initiative Network?

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