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
CASSIOPEIA
MMSI 367732570 · Call sign WDN9318
Not yet on Master's MateFlag
USACall sign
WDN9318
Official No.
1058026
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
18
CASSIOPEIA is a craft on the the United States registry. She broadcasts as MMSI 367732570, call sign WDN9318. Bring CASSIOPEIA aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Free forever · No credit card
Is CASSIOPEIA 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
Last known position · Jun 3, 2026
Position
41.6738° N, 70.6238° W
Crossing off the U.S. East Coast? 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 CASSIOPEIA 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 CASSIOPEIA and switch it all on
Free to join · nothing to install to start · cancel anytime
About CASSIOPEIA
What kind of vessel is CASSIOPEIA?
CASSIOPEIA is a vessel flagged to United States of America.
Where was CASSIOPEIA last seen?
CASSIOPEIA was last reported in off the U.S. East Coast in Jun 2026 on public AIS.
What is CASSIOPEIA's MMSI?
CASSIOPEIA's MMSI is 367732570. Call sign WDN9318.
Is CASSIOPEIA on the Master's Mate Safety Initiative Network?
Not yet. If CASSIOPEIA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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