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.
Vessel
BAY RIDER IV
MMSI 366846310 · Call sign WDA7706
Not yet on Master's MateFlag
USACall sign
WDA7706
Official No.
MS3480ZE
AIS reports
1
BAY RIDER IV is an American craft. She's listed under MMSI 366846310, call sign WDA7706. BAY RIDER IV is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
Free forever · No credit card
Is BAY RIDER IV 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 BAY RIDER IV 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
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put BAY RIDER IV 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 BAY RIDER IV and switch it all on
Free to join · nothing to install to start · cancel anytime
About BAY RIDER IV
What kind of vessel is BAY RIDER IV?
BAY RIDER IV is a vessel flagged to United States of America.
What is BAY RIDER IV's MMSI?
BAY RIDER IV's MMSI is 366846310. Call sign WDA7706.
Is BAY RIDER IV on the Master's Mate Safety Initiative Network?
Not yet. If BAY RIDER IV is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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