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)
BIG BLUE
MMSI 367535850 · Call sign WDG4370
Not yet on Master's MateType
Passenger (Inspected)
Flag
USALength
47.7 m
Beam
9.4 m
Draft
4.1 m
Call sign
WDG4370
IMO
9677428
Official No.
1238756
AIS reports
1
An American passenger craft, BIG BLUE measures 47.7 metres. She has a beam measuring 9.4 metres and a draft measuring 4.1 metres. She broadcasts as MMSI 367535850, call sign WDG4370, IMO 9677428. BIG BLUE is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard BIG BLUE 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
Live AIS position · Jun 9, 2026 12:56 UTC
Position
29.7996° N, 93.3396° W
Status
Moored
Speed
0.0 kn
Course
55°
Destination
EPS DOCK CAMERON LA
ETA
06-06 22:00 UTC
Sailing the Gulf of Mexico? 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 BIG BLUE 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 BIG BLUE and switch it all on
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About BIG BLUE
What kind of vessel is BIG BLUE?
BIG BLUE is a Passenger (Inspected) flagged to United States of America.
Where was BIG BLUE last seen?
BIG BLUE was last reported in the Gulf of Mexico on public AIS.
What is BIG BLUE's MMSI?
BIG BLUE's MMSI is 367535850. Call sign WDG4370. IMO 9677428.
How big is BIG BLUE?
BIG BLUE is about 47.7 m long, 9.4 m on the beam, drawing 4.1 m.
Is BIG BLUE on the Master's Mate Safety Initiative Network?
Not yet. If BIG BLUE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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