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
Brittyn B
MMSI 368297990 · Call sign WDN6321
Not yet on Master's MateType
Unclassified
Flag
USALength
20.7 m
Beam
9.1 m
Draft
1.4 m
Call sign
WDN6321
Official No.
1312806
AIS reports
1
On the American registry, Brittyn B is a 20.7-metre craft. She's built with a beam of 9.1 m and a 1.4 m draft. On AIS she appears as MMSI 368297990, call sign WDN6321. Brittyn B belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
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Is Brittyn 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.
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Wherever Brittyn 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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Joining the Safety Initiative Network doesn't just put Brittyn 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 Brittyn B and switch it all on
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About Brittyn B
What kind of vessel is Brittyn B?
Brittyn B is a Unclassified flagged to United States of America.
What is Brittyn B's MMSI?
Brittyn B's MMSI is 368297990. Call sign WDN6321.
How big is Brittyn B?
Brittyn B is about 20.7 m long, 9.1 m on the beam, drawing 1.4 m.
Is Brittyn B on the Master's Mate Safety Initiative Network?
Not yet. If Brittyn B is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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