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.
Other
RV TANNER
MMSI 367782320 · Call sign WDJ4904
Not yet on Master's MateType
Other
Flag
USALength
20 m
Beam
6 m
Draft
0.3 m
Call sign
WDJ4904
Official No.
MC 7596 PB
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
80
On the American registry, RV TANNER is a 20-metre vessel. She's built with a beam of 6 m and a 0.3 m draft. Her papers read MMSI 367782320, call sign WDJ4904. Sign RV TANNER up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
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Is RV TANNER 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
45.6150° N, 83.9367° W
Crossing Lake Huron? 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 RV TANNER 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 RV TANNER and switch it all on
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About RV TANNER
What kind of vessel is RV TANNER?
RV TANNER is a Other flagged to United States of America.
Where was RV TANNER last seen?
RV TANNER was last reported in Lake Huron in Jun 2026 on public AIS.
What is RV TANNER's MMSI?
RV TANNER's MMSI is 367782320. Call sign WDJ4904.
How big is RV TANNER?
RV TANNER is about 20 m long, 6 m on the beam, drawing 0.3 m.
Is RV TANNER on the Master's Mate Safety Initiative Network?
Not yet. If RV TANNER is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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