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 (Inspected)
southern comfort IV
MMSI 367459270 · Call sign WDL9479
Not yet on Master's MateType
Passenger (Inspected)
Flag
USALength
14.6 m
Beam
4.9 m
Draft
1.2 m
Call sign
WDL9479
Official No.
1198778
Hull ID
CHE40402C707
AIS reports
2
Out of the United States, southern comfort IV is a 14.6-metre passenger ferry. She has a beam of 4.9 m and a draft of 1.2 m. Look for MMSI 367459270, call sign WDL9479. Sign southern comfort IV up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard southern comfort IV 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
Wherever southern comfort IV 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 · for passenger & charter operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put southern comfort IV 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 southern comfort IV and switch it all on
Free to join · nothing to install to start · cancel anytime
About southern comfort IV
What kind of vessel is southern comfort IV?
southern comfort IV is a Passenger (Inspected) flagged to United States of America.
What is southern comfort IV's MMSI?
southern comfort IV's MMSI is 367459270. Call sign WDL9479.
How big is southern comfort IV?
southern comfort IV is about 14.6 m long, 4.9 m on the beam, drawing 1.2 m.
Is southern comfort IV on the Master's Mate Safety Initiative Network?
Not yet. If southern comfort IV is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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