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.
Unknown
SOUTH BY SOUTHWEST
U.S. Official No. 546644
Not yet on Master's MateType
Unknown
Flag
USALength
8.9 m
Beam
2.9 m
Draft
2 m
First reported
Jun 2026
AIS reports
1
SOUTH BY SOUTHWEST is an American 8.9-metre craft. She has 2.9 metres in the beam and a draft measuring 2 metres. Find her under U.S. official number 546644. Put SOUTH BY SOUTHWEST on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.
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Is SOUTH BY SOUTHWEST 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
Wherever SOUTH BY SOUTHWEST roams, 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
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SOUTH BY SOUTHWEST 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 SOUTH BY SOUTHWEST and switch it all on
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About SOUTH BY SOUTHWEST
What kind of vessel is SOUTH BY SOUTHWEST?
SOUTH BY SOUTHWEST is a Unknown flagged to United States of America.
What is SOUTH BY SOUTHWEST's U.S. Official No.?
SOUTH BY SOUTHWEST's U.S. Official No. is 546644.
How big is SOUTH BY SOUTHWEST?
SOUTH BY SOUTHWEST is about 8.9 m long, 2.9 m on the beam, drawing 2 m.
Is SOUTH BY SOUTHWEST on the Master's Mate Safety Initiative Network?
Not yet. If SOUTH BY SOUTHWEST is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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