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.
Unclassified
RIVENDEL II
MMSI 366418060 · Call sign WBS3826
Not yet on Master's MateType
Unclassified
Flag
USALength
12.9 m
Beam
4.4 m
Draft
2 m
Call sign
WBS3826
Official No.
977404
AIS reports
1
RIVENDEL II flies the American flag — a 12.9-metre craft. RIVENDEL II has 4.4 metres in the beam and a 2 m draft. On AIS she shows as MMSI 366418060, call sign WBS3826. Add RIVENDEL II to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
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Is RIVENDEL II 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 RIVENDEL II roams, you're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put RIVENDEL II 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 RIVENDEL II and switch it all on
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About RIVENDEL II
What kind of vessel is RIVENDEL II?
RIVENDEL II is a Unclassified flagged to United States of America.
What is RIVENDEL II's MMSI?
RIVENDEL II's MMSI is 366418060. Call sign WBS3826.
How big is RIVENDEL II?
RIVENDEL II is about 12.9 m long, 4.4 m on the beam, drawing 2 m.
Is RIVENDEL II on the Master's Mate Safety Initiative Network?
Not yet. If RIVENDEL II is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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