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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

MARY K

MMSI 366222460 · Call sign WAQ4092

Not yet on Master's Mate
Type
Commercial Fishing Vessel
Flag
USAUSA
Length
25.5 m
Beam
7.3 m
Draft
3.9 m
Call sign
WAQ4092
IMO
8855396
Official No.
971153
AIS reports
1

MARY K, a fishing trawler hailing from the United States, measures 25.5 metres on deck. Below, she has a beam measuring 7.3 metres and a draft measuring 3.9 metres. Her papers read MMSI 366222460, call sign WAQ4092, IMO 8855396. The Master's Mate Safety Initiative Network welcomes MARY K — free to join, cruiser-run, and always on watch.

Free forever · No credit card · for working captains

Know where the fleet is. Get MARY K home safe.

Live AIS traffic, weather you can plan around, engine & systems telemetry, and a distress mesh that reaches nearby boats.

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Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers

Wherever MARY K roams, you're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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The most powerful cruising platform ever built — yours, free.

Joining the Safety Initiative Network doesn't just put MARY K 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 MARY K and switch it all on
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About MARY K

What kind of vessel is MARY K?
MARY K is a Commercial Fishing Vessel flagged to United States of America.
What is MARY K's MMSI?
MARY K's MMSI is 366222460. Call sign WAQ4092. IMO 8855396.
How big is MARY K?
MARY K is about 25.5 m long, 7.3 m on the beam, drawing 3.9 m.
Is MARY K on the Master's Mate Safety Initiative Network?
Not yet. If MARY K is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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