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
SV HEAVY METAL
MMSI 367536950 · Call sign WDG4477
Not yet on Master's MateFlag
USACall sign
WDG4477
Official No.
1044960
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
86
SV HEAVY METAL is a vessel listed on the the United States registry. She's listed under MMSI 367536950, call sign WDG4477. SV HEAVY METAL belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
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Is SV HEAVY METAL 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 22:56 UTC
Position
36.9647° N, 76.2957° W
Status
Under way (engine)
Speed
0.0 kn
Course
146°
Crossing 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.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SV HEAVY METAL 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 SV HEAVY METAL and switch it all on
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About SV HEAVY METAL
What kind of vessel is SV HEAVY METAL?
SV HEAVY METAL is a vessel flagged to United States of America.
Where was SV HEAVY METAL last seen?
SV HEAVY METAL was last reported in Chesapeake Bay in Jun 2026 on public AIS.
What is SV HEAVY METAL's MMSI?
SV HEAVY METAL's MMSI is 367536950. Call sign WDG4477.
Is SV HEAVY METAL on the Master's Mate Safety Initiative Network?
Not yet. If SV HEAVY METAL is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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