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.
Fishing Tender
Joann Marie
MMSI 366943880 · Call sign WDH6884
Not yet on Master's MateType
Fishing Tender
Flag
USALength
16 m
Beam
5.4 m
Draft
2.9 m
Call sign
WDH6884
Official No.
533613
AIS reports
2
Joann Marie is an American fishing trawler, spanning 16 metres. She has a 5.4-metre beam and a draft measuring 2.9 metres. Find her under MMSI 366943880, call sign WDH6884. Joann Marie is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
Free forever · No credit card · for working captains
Know where the fleet is. Get Joann Marie 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 Joann Marie 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 Joann Marie 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 Joann Marie and switch it all on
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About Joann Marie
What kind of vessel is Joann Marie?
Joann Marie is a Fishing Tender flagged to United States of America.
What is Joann Marie's MMSI?
Joann Marie's MMSI is 366943880. Call sign WDH6884.
How big is Joann Marie?
Joann Marie is about 16 m long, 5.4 m on the beam, drawing 2.9 m.
Is Joann Marie on the Master's Mate Safety Initiative Network?
Not yet. If Joann Marie is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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