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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.
Towing Vessel

JOAN K

MMSI 367740340 · Call sign WDI8611

Not yet on Master's Mate
Type
Towing Vessel
Flag
USAUSA
Length
7.9 m
Beam
6.1 m
Draft
2.1 m
Call sign
WDI8611
Official No.
1270426
AIS reports
1

Registered in the United States, JOAN K is a 7.9-metre utility boat. She carries a 6.1 m beam and a 2.1-metre draft. Find her under MMSI 367740340, call sign WDI8611. Claim JOAN K free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.

Free forever · No credit card · for working boats

Built for boats that work — like JOAN K.

Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.

Rig her out — free →

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

Wherever JOAN 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.
Free with your claim · for working boats

The most powerful cruising platform ever built — yours, free.

Joining the Safety Initiative Network doesn't just put JOAN K on the map. It hands you the full bridge:

Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
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.
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 JOAN K and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About JOAN K

What kind of vessel is JOAN K?
JOAN K is a Towing Vessel flagged to United States of America.
What is JOAN K's MMSI?
JOAN K's MMSI is 367740340. Call sign WDI8611.
How big is JOAN K?
JOAN K is about 7.9 m long, 6.1 m on the beam, drawing 2.1 m.
Is JOAN K on the Master's Mate Safety Initiative Network?
Not yet. If JOAN K is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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