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

Dotti J

MMSI 366880470 · Call sign WCAE

Not yet on Master's Mate

Type

Towing Vessel

Flag

USA

Length

17.8 m

Beam

7.3 m

Draft

2.6 m

Call sign

WCAE

Official No.

598485

AIS reports

Dotti J is an American 17.8-metre utility boat. She's built with a beam of 7.3 m and a 2.6-metre draft. On AIS she shows as MMSI 366880470, call sign WCAE. Dotti J belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.

Free forever · No credit card · for working boats

Built for boats that work — like Dotti J.

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 Dotti J 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 Dotti J 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 Dotti J and switch it all on

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About Dotti J

What kind of vessel is Dotti J?

Dotti J is a Towing Vessel flagged to United States of America.

What is Dotti J's MMSI?

Dotti J's MMSI is 366880470. Call sign WCAE.

How big is Dotti J?

Dotti J is about 17.8 m long, 7.3 m on the beam, drawing 2.6 m.

Is Dotti J on the Master's Mate Safety Initiative Network?

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