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

Miami

MMSI 366883280 · Call sign WDF2533

Not yet on Master's Mate

Type

Towing Vessel

Flag

USA

Length

24.2 m

Beam

10.1 m

Draft

3.7 m

Call sign

WDF2533

IMO

8103004

Official No.

641333

AIS reports

Miami flies the American flag — a 24.2-metre working craft. Her hull carries a 10.1-metre beam and a draft of 3.7 m. On AIS she appears as MMSI 366883280, call sign WDF2533, IMO 8103004. Sign Miami up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.

Free forever · No credit card · for working boats

Built for boats that work — like Miami.

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 Miami 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 Miami 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 Miami and switch it all on

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

Claim free → unlock everything

About Miami

What kind of vessel is Miami?

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

What is Miami's MMSI?

Miami's MMSI is 366883280. Call sign WDF2533. IMO 8103004.

How big is Miami?

Miami is about 24.2 m long, 10.1 m on the beam, drawing 3.7 m.

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

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