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)
Joanna Lyn
MMSI 367792250 · Call sign WDJ5889
Not yet on Master's MateType
Passenger (Uninspected)
Flag
USALength
9.4 m
Beam
3.2 m
Draft
1.5 m
Call sign
WDJ5889
Official No.
1171649
Hull ID
DEB31001B505
AIS reports
1
Joanna Lyn is an American passenger ferry — 9.4 metres overall. Below, she has a 3.2-metre beam and a draft of 1.5 m. Find her under MMSI 367792250, call sign WDJ5889. Joanna Lyn is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard Joanna Lyn 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 Joanna Lyn 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 Joanna Lyn 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 Joanna Lyn and switch it all on
Free to join · nothing to install to start · cancel anytime
About Joanna Lyn
What kind of vessel is Joanna Lyn?
Joanna Lyn is a Passenger (Uninspected) flagged to United States of America.
What is Joanna Lyn's MMSI?
Joanna Lyn's MMSI is 367792250. Call sign WDJ5889.
How big is Joanna Lyn?
Joanna Lyn is about 9.4 m long, 3.2 m on the beam, drawing 1.5 m.
Is Joanna Lyn on the Master's Mate Safety Initiative Network?
Not yet. If Joanna Lyn is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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