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
Sun-BB
MMSI 366931520 · Call sign WDB6843
Not yet on Master's MateType
Recreational
Flag
USALength
10.8 m
Beam
3.4 m
Draft
2.3 m
Call sign
WDB6843
Official No.
936593
AIS reports
1
Sun-BB, an American pleasure craft, measures 10.8 metres on deck. Sun-BB has 3.4 metres in the beam and a 2.3-metre draft. Her papers read MMSI 366931520, call sign WDB6843. It's free to add Sun-BB to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
Free forever · No credit card · for recreational captains
Keep Sun-BB 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 Sun-BB 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 Sun-BB 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 Sun-BB and switch it all on
Free to join · nothing to install to start · cancel anytime
About Sun-BB
What kind of vessel is Sun-BB?
Sun-BB is a Recreational flagged to United States of America.
What is Sun-BB's MMSI?
Sun-BB's MMSI is 366931520. Call sign WDB6843.
How big is Sun-BB?
Sun-BB is about 10.8 m long, 3.4 m on the beam, drawing 2.3 m.
Is Sun-BB on the Master's Mate Safety Initiative Network?
Not yet. If Sun-BB is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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