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.
Recreational
Theresa Marie
MMSI 367545980 · Call sign WDG5371
Not yet on Master's MateType
Recreational
Flag
USALength
11.2 m
Beam
3.5 m
Draft
2.7 m
Call sign
WDG5371
Official No.
577812
AIS reports
1
On the American registry, Theresa Marie is an 11.2-metre cruising boat. Theresa Marie has a beam measuring 3.5 metres and a 2.7 m draft. Officially she's MMSI 367545980, call sign WDG5371. Claim Theresa Marie free and let the Master's Mate Safety Initiative Network keep an eye on her, on the water or off.
Free forever · No credit card · for recreational captains
Keep Theresa Marie looked after — even when you’re not aboard.
Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.
Look after her — claim free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever Theresa Marie 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 recreational captains
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Theresa Marie 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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
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 Theresa Marie and switch it all on
Free to join · nothing to install to start · cancel anytime
About Theresa Marie
What kind of vessel is Theresa Marie?
Theresa Marie is a Recreational flagged to United States of America.
What is Theresa Marie's MMSI?
Theresa Marie's MMSI is 367545980. Call sign WDG5371.
How big is Theresa Marie?
Theresa Marie is about 11.2 m long, 3.5 m on the beam, drawing 2.7 m.
Is Theresa Marie on the Master's Mate Safety Initiative Network?
Not yet. If Theresa Marie is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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