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
BB5
MMSI 367073420 · Call sign WDC7567
Not yet on Master's MateType
Towing Vessel
Flag
USALength
11.3 m
Beam
4.9 m
Draft
1.9 m
Call sign
WDC7567
Official No.
520167
AIS reports
1
On the American registry, BB5 is an 11.3-metre working vessel. Her hull carries a beam measuring 4.9 metres and a draft measuring 1.9 metres. On the registers she's MMSI 367073420, call sign WDC7567. The Master's Mate Safety Initiative Network welcomes BB5 — free to join, cruiser-run, and always on watch.
Free forever · No credit card · for working boats
Built for boats that work — like BB5.
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 BB5 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 BB5 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 BB5 and switch it all on
Free to join · nothing to install to start · cancel anytime
About BB5
What kind of vessel is BB5?
BB5 is a Towing Vessel flagged to United States of America.
What is BB5's MMSI?
BB5's MMSI is 367073420. Call sign WDC7567.
How big is BB5?
BB5 is about 11.3 m long, 4.9 m on the beam, drawing 1.9 m.
Is BB5 on the Master's Mate Safety Initiative Network?
Not yet. If BB5 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
© 2026 Master’s Mate. All rights reserved.