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

JOANNE

MMSI 366822710 · Call sign WDA5680

Not yet on Master's Mate

Type

Towing Vessel

Flag

USA

Length

13 m

Beam

3.6 m

Draft

1.5 m

Call sign

WDA5680

Official No.

234074

AIS reports

JOANNE is a working vessel wearing American colours, 13 metres on deck. She has a beam of 3.6 m and a draft measuring 1.5 metres. Her registration reads MMSI 366822710, call sign WDA5680. JOANNE can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.

Free forever · No credit card · for working boats

Built for boats that work — like JOANNE.

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 JOANNE 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 JOANNE 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 JOANNE and switch it all on

Free to join · nothing to install to start · cancel anytime

Claim free → unlock everything

About JOANNE

What kind of vessel is JOANNE?

JOANNE is a Towing Vessel flagged to United States of America.

What is JOANNE's MMSI?

JOANNE's MMSI is 366822710. Call sign WDA5680.

How big is JOANNE?

JOANNE is about 13 m long, 3.6 m on the beam, drawing 1.5 m.

Is JOANNE on the Master's Mate Safety Initiative Network?

Not yet. If JOANNE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).