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.
Commercial Fishing Vessel
Lady Catherine
MMSI 366819990 · Call sign WDA5428
Not yet on Master's MateType
Commercial Fishing Vessel
Flag
USALength
23.5 m
Beam
6.8 m
Draft
3.4 m
Call sign
WDA5428
IMO
7943483
Official No.
606428
AIS reports
1
Lady Catherine is an American 23.5-metre commercial fishing boat. She has a 6.8 m beam and a draft measuring 3.4 metres. On AIS she shows as MMSI 366819990, call sign WDA5428, IMO 7943483. Lady Catherine 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 working captains
Know where the fleet is. Get Lady Catherine home safe.
Live AIS traffic, weather you can plan around, engine & systems telemetry, and a distress mesh that reaches nearby boats.
Keep the fleet in sight — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever Lady Catherine 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 working captains
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Lady Catherine on the map. It hands you the full bridge:
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.
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.
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 Lady Catherine and switch it all on
Free to join · nothing to install to start · cancel anytime
About Lady Catherine
What kind of vessel is Lady Catherine?
Lady Catherine is a Commercial Fishing Vessel flagged to United States of America.
What is Lady Catherine's MMSI?
Lady Catherine's MMSI is 366819990. Call sign WDA5428. IMO 7943483.
How big is Lady Catherine?
Lady Catherine is about 23.5 m long, 6.8 m on the beam, drawing 3.4 m.
Is Lady Catherine on the Master's Mate Safety Initiative Network?
Not yet. If Lady Catherine is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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