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.
Freight Ship
GEORGE III
MMSI 369355000 · Call sign WDK4356
Not yet on Master's MateType
Freight Ship
Flag
USALength
236 m
Beam
36 m
Draft
10.1 m
Call sign
WDK4356
IMO
9837092
Official No.
620434
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
75
Registered in the United States, GEORGE III is a 236-metre cargo carrier. GEORGE III has a 36-metre beam and a 10.1-metre draft. She broadcasts as MMSI 369355000, call sign WDK4356, IMO 9837092. Join GEORGE III to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
Free forever · No credit card · for commercial operators
Eyes on GEORGE III, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 4, 2026
Position
37.7899° N, 122.5591° W
Transiting San Francisco Bay? 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 · for commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put GEORGE III on the map. It hands you the full bridge:
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
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.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim GEORGE III and switch it all on
Free to join · nothing to install to start · cancel anytime
About GEORGE III
What kind of vessel is GEORGE III?
GEORGE III is a Freight Ship flagged to United States of America.
Where was GEORGE III last seen?
GEORGE III was last reported in San Francisco Bay in Jun 2026 on public AIS.
What is GEORGE III's MMSI?
GEORGE III's MMSI is 369355000. Call sign WDK4356. IMO 9837092.
How big is GEORGE III?
GEORGE III is about 236 m long, 36 m on the beam, drawing 10.1 m.
Is GEORGE III on the Master's Mate Safety Initiative Network?
Not yet. If GEORGE III is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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