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 (Uninspected)
Fat Cat
MMSI 367082580 · Call sign WDC8161
Not yet on Master's MateType
Passenger (Uninspected)
Flag
USALength
23.9 m
Beam
10.7 m
Draft
2.6 m
Call sign
WDC8161
Official No.
973556
Hull ID
D11SD001B191
AIS reports
1
Fat Cat, an American passenger craft, measures 23.9 metres on deck. Below, she has a 10.7 m beam and a draft measuring 2.6 metres. On the registers she's MMSI 367082580, call sign WDC8161. There's a place for Fat Cat on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard Fat Cat 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 Fat Cat 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 Fat Cat 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 Fat Cat and switch it all on
Free to join · nothing to install to start · cancel anytime
About Fat Cat
What kind of vessel is Fat Cat?
Fat Cat is a Passenger (Uninspected) flagged to United States of America.
What is Fat Cat's MMSI?
Fat Cat's MMSI is 367082580. Call sign WDC8161.
How big is Fat Cat?
Fat Cat is about 23.9 m long, 10.7 m on the beam, drawing 2.6 m.
Is Fat Cat on the Master's Mate Safety Initiative Network?
Not yet. If Fat Cat is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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