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.
Towing Vessel
Robert G. Stone, JR.
MMSI 367146780 · Call sign WDD4596
Not yet on Master's MateType
Towing Vessel
Flag
USALength
25.9 m
Beam
10.4 m
Draft
3 m
Call sign
WDD4596
Official No.
1189439
AIS reports
1
Registered in the United States, Robert G. Stone, JR. is a 25.9-metre working vessel. Below, she has 10.4 metres in the beam and a draft measuring 3 metres. Look for MMSI 367146780, call sign WDD4596. Put Robert G. Stone, JR. on the free Master's Mate Safety Initiative Network and keep the working fleet looking out for each other.
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Built for boats that work — like Robert G. Stone, JR..
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever Robert G. Stone, JR. 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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Joining the Safety Initiative Network doesn't just put Robert G. Stone, JR. on the map. It hands you the full bridge:
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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.
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 Robert G. Stone, JR. and switch it all on
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About Robert G. Stone, JR.
What kind of vessel is Robert G. Stone, JR.?
Robert G. Stone, JR. is a Towing Vessel flagged to United States of America.
What is Robert G. Stone, JR.'s MMSI?
Robert G. Stone, JR.'s MMSI is 367146780. Call sign WDD4596.
How big is Robert G. Stone, JR.?
Robert G. Stone, JR. is about 25.9 m long, 10.4 m on the beam, drawing 3 m.
Is Robert G. Stone, JR. on the Master's Mate Safety Initiative Network?
Not yet. If Robert G. Stone, JR. is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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