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
Bay Master
MMSI 367133110 · Call sign WDD3559
Not yet on Master's MateType
Towing Vessel
Flag
USALength
20 m
Beam
5.3 m
Draft
1.7 m
Call sign
WDD3559
Official No.
1060365
AIS reports
1
An American harbour workboat, Bay Master measures 20 metres. Below, she has a beam measuring 5.3 metres and a draft of 1.7 m. Her registration reads MMSI 367133110, call sign WDD3559. Add Bay Master to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
Free forever · No credit card · for working boats
Built for boats that work — like Bay Master.
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 Bay Master 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 Bay Master 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 Bay Master and switch it all on
Free to join · nothing to install to start · cancel anytime
About Bay Master
What kind of vessel is Bay Master?
Bay Master is a Towing Vessel flagged to United States of America.
What is Bay Master's MMSI?
Bay Master's MMSI is 367133110. Call sign WDD3559.
How big is Bay Master?
Bay Master is about 20 m long, 5.3 m on the beam, drawing 1.7 m.
Is Bay Master on the Master's Mate Safety Initiative Network?
Not yet. If Bay Master is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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