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.
Passenger
ROGER WILLIAMS
MMSI 368324910 · Call sign WDN9212
Not yet on Master's MateType
Passenger
Flag
USALength
12 m
Beam
37 m
Call sign
WDN9212
IMO
8964288
Official No.
973660
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
67
Out of the United States, ROGER WILLIAMS is a 12-metre passenger craft. Look for MMSI 368324910, call sign WDN9212, IMO 8964288. Give ROGER WILLIAMS the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard ROGER WILLIAMS safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 4, 2026
Position
36.9336° N, 75.8711° W
Sailing Chesapeake 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 passenger & charter operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put ROGER WILLIAMS on the map. It hands you the full bridge:
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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.
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.
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 ROGER WILLIAMS and switch it all on
Free to join · nothing to install to start · cancel anytime
About ROGER WILLIAMS
What kind of vessel is ROGER WILLIAMS?
ROGER WILLIAMS is a Passenger flagged to United States of America.
Where was ROGER WILLIAMS last seen?
ROGER WILLIAMS was last reported in Chesapeake Bay in Jun 2026 on public AIS.
What is ROGER WILLIAMS's MMSI?
ROGER WILLIAMS's MMSI is 368324910. Call sign WDN9212. IMO 8964288.
How big is ROGER WILLIAMS?
ROGER WILLIAMS is about 12 m long, 37 m on the beam.
Is ROGER WILLIAMS on the Master's Mate Safety Initiative Network?
Not yet. If ROGER WILLIAMS is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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