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
POTOMAC
MMSI 367558180 · Call sign WDG6546
Not yet on Master's MateFlag
USALength
30 m
Beam
10 m
Draft
4.5 m
Call sign
WDG6546
IMO
9475806
Official No.
1199144
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
70
POTOMAC is an American boat, 30 metres long. Below, she has a 10-metre beam and a draft of 4.5 m. On AIS she appears as MMSI 367558180, call sign WDG6546, IMO 9475806. Give POTOMAC the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
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Is POTOMAC 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
Live AIS position · Jun 9, 2026 10:54 UTC
Position
40.6883° N, 74.1580° W
Status
Pushing ahead
Speed
0.0 kn
Course
66°
Destination
NY HARBOR
ETA
06-09 00:00 UTC
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.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put POTOMAC 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 POTOMAC and switch it all on
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About POTOMAC
What kind of vessel is POTOMAC?
POTOMAC is a vessel flagged to United States of America.
Where was POTOMAC last seen?
POTOMAC was last reported in off the U.S. East Coast in Jun 2026 on public AIS.
What is POTOMAC's MMSI?
POTOMAC's MMSI is 367558180. Call sign WDG6546. IMO 9475806.
How big is POTOMAC?
POTOMAC is about 30 m long, 10 m on the beam, drawing 4.5 m.
Is POTOMAC on the Master's Mate Safety Initiative Network?
Not yet. If POTOMAC is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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