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
MARY B
U.S. Official No. 1024318
Not yet on Master's MateType
Unclassified
Flag
USALength
22.4 m
Beam
6 m
Draft
2.1 m
First reported
Jun 2026
AIS reports
1
MARY B flies the American flag — a 22.4-metre vessel. Her hull carries a beam of 6 m and a draft measuring 2.1 metres. On the registers she's U.S. official number 1024318. Bring MARY B aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
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Is MARY B 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.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever MARY B 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 MARY B 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 MARY B and switch it all on
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About MARY B
What kind of vessel is MARY B?
MARY B is a Unclassified flagged to United States of America.
What is MARY B's U.S. Official No.?
MARY B's U.S. Official No. is 1024318.
How big is MARY B?
MARY B is about 22.4 m long, 6 m on the beam, drawing 2.1 m.
Is MARY B on the Master's Mate Safety Initiative Network?
Not yet. If MARY B is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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