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
Y.T.B. Propeller
United States of America · last seen 48°N 122°W · Jun 2026 · MMSI 367028000 · Call sign WDJ3920
Not yet on Master's MateFlag
USACall sign
WDJ3920
Official No.
592215
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
31
Y.T.B. Propeller is an American boat. On the registers she's MMSI 367028000, call sign WDJ3920. The Master's Mate Safety Initiative Network welcomes Y.T.B. Propeller — free to join, cruiser-run, and always on watch.
Free forever · No credit card
Is Y.T.B. Propeller 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 2, 2026
Position
47.6486° N, 122.3311° W
Crossing the Salish Sea? 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 Y.T.B. Propeller 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 Y.T.B. Propeller and switch it all on
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About Y.T.B. Propeller
What kind of vessel is Y.T.B. Propeller?
Y.T.B. Propeller is a vessel flagged to United States of America.
Where was Y.T.B. Propeller last seen?
Y.T.B. Propeller was last reported in the Salish Sea in Jun 2026 on public AIS.
What is Y.T.B. Propeller's MMSI?
Y.T.B. Propeller's MMSI is 367028000. Call sign WDJ3920.
Is Y.T.B. Propeller on the Master's Mate Safety Initiative Network?
Not yet. If Y.T.B. Propeller is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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