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
GRAND LARSON III
MMSI 367757610 · Call sign WDJ2357
Not yet on Master's MateFlag
USACall sign
WDJ2357
Official No.
1162466
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
86
On the American registry, GRAND LARSON III is a craft. Look for MMSI 367757610, call sign WDJ2357. GRAND LARSON III belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
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Is GRAND LARSON III 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 4, 2026
Position
39.7503° N, 74.1145° 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 GRAND LARSON III 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 GRAND LARSON III and switch it all on
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About GRAND LARSON III
What kind of vessel is GRAND LARSON III?
GRAND LARSON III is a vessel flagged to United States of America.
Where was GRAND LARSON III last seen?
GRAND LARSON III was last reported in off the U.S. East Coast in Jun 2026 on public AIS.
What is GRAND LARSON III's MMSI?
GRAND LARSON III's MMSI is 367757610. Call sign WDJ2357.
Is GRAND LARSON III on the Master's Mate Safety Initiative Network?
Not yet. If GRAND LARSON III is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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