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)
Keen Lady IV
MMSI 367496360 · Call sign WDF8578
Not yet on Master's MateType
Passenger (Inspected)
Flag
USALength
28.7 m
Beam
7.7 m
Draft
2.2 m
Call sign
WDF8578
Official No.
607577
AIS reports
1
Registered in the United States, Keen Lady IV is a 28.7-metre passenger vessel. She's built with a 7.7-metre beam and a 2.2 m draft. On AIS she appears as MMSI 367496360, call sign WDF8578. For a boat that carries people, Keen Lady IV can lean on the Master's Mate Safety Initiative Network — free distress alerting and a fleet that's paying attention.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard Keen Lady 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 Keen Lady 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 Keen Lady 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 Keen Lady IV and switch it all on
Free to join · nothing to install to start · cancel anytime
About Keen Lady IV
What kind of vessel is Keen Lady IV?
Keen Lady IV is a Passenger (Inspected) flagged to United States of America.
What is Keen Lady IV's MMSI?
Keen Lady IV's MMSI is 367496360. Call sign WDF8578.
How big is Keen Lady IV?
Keen Lady IV is about 28.7 m long, 7.7 m on the beam, drawing 2.2 m.
Is Keen Lady IV on the Master's Mate Safety Initiative Network?
Not yet. If Keen Lady IV is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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