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

Lady Margaret III

MMSI 367747990 · Call sign WDI9373

Not yet on Master's Mate

Type

Commercial Fishing Vessel

Flag

USA

Length

21 m

Beam

6.7 m

Draft

3.8 m

Call sign

WDI9373

IMO

7731232

Official No.

581758

AIS reports

Lady Margaret III is an American fishing craft, 21 metres LOA. Below, she has a 6.7-metre beam and a draft of 3.8 m. On the registers she's MMSI 367747990, call sign WDI9373, IMO 7731232. Lady Margaret III belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.

Free forever · No credit card · for working captains

Know where the fleet is. Get Lady Margaret III home safe.

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

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

Wherever Lady Margaret III 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 Lady Margaret III 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 Lady Margaret III and switch it all on

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About Lady Margaret III

What kind of vessel is Lady Margaret III?

Lady Margaret III is a Commercial Fishing Vessel flagged to United States of America.

What is Lady Margaret III's MMSI?

Lady Margaret III's MMSI is 367747990. Call sign WDI9373. IMO 7731232.

How big is Lady Margaret III?

Lady Margaret III is about 21 m long, 6.7 m on the beam, drawing 3.8 m.

Is Lady Margaret III on the Master's Mate Safety Initiative Network?

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