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.
Other
SOUNDGUARDIAN
MMSI 367741020 · Call sign WDI8675
Not yet on Master's MateType
Other
Flag
USALength
13 m
Beam
6 m
Draft
1 m
Call sign
WDI8675
Official No.
1268306
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
25
SOUNDGUARDIAN, a vessel listed on the the United States registry, measures 13 metres on deck. She's built with a beam of 6 m and a 1 m draft. Look for MMSI 367741020, call sign WDI8675. Claim SOUNDGUARDIAN free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
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Is SOUNDGUARDIAN 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
Last known position · Jun 2, 2026
Position
47.6527° N, 122.3618° W
Crossing the Salish Sea? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put SOUNDGUARDIAN 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 SOUNDGUARDIAN and switch it all on
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About SOUNDGUARDIAN
What kind of vessel is SOUNDGUARDIAN?
SOUNDGUARDIAN is a Other flagged to United States of America.
Where was SOUNDGUARDIAN last seen?
SOUNDGUARDIAN was last reported in the Salish Sea in Jun 2026 on public AIS.
What is SOUNDGUARDIAN's MMSI?
SOUNDGUARDIAN's MMSI is 367741020. Call sign WDI8675.
How big is SOUNDGUARDIAN?
SOUNDGUARDIAN is about 13 m long, 6 m on the beam, drawing 1 m.
Is SOUNDGUARDIAN on the Master's Mate Safety Initiative Network?
Not yet. If SOUNDGUARDIAN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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