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.

Towing Vessel

MARY CATHERINE

MMSI 367080250 · Call sign WTW9261

Not yet on Master's Mate

Type

Towing Vessel

Flag

USA

Length

31 m

Beam

9.8 m

Draft

4.3 m

Call sign

WTW9261

IMO

7209435

Official No.

537212

AIS reports

On the American registry, MARY CATHERINE is a 31-metre work boat. Below, she has a beam measuring 9.8 metres and a draft measuring 4.3 metres. On AIS she shows as MMSI 367080250, call sign WTW9261, IMO 7209435. MARY CATHERINE can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.

Free forever · No credit card · for working boats

Built for boats that work — like MARY CATHERINE.

Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.

Rig her out — 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 boats

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:

Systems Monitoring

Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.

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.

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

Free to join · nothing to install to start · cancel anytime

Claim free → unlock everything

About MARY CATHERINE

What kind of vessel is MARY CATHERINE?

MARY CATHERINE is a Towing Vessel flagged to United States of America.

What is MARY CATHERINE's MMSI?

MARY CATHERINE's MMSI is 367080250. Call sign WTW9261. IMO 7209435.

How big is MARY CATHERINE?

MARY CATHERINE is about 31 m long, 9.8 m on the beam, drawing 4.3 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).