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

ARIZONA

MMSI 366976250 · Call sign WA2539

Not yet on Master's Mate

Type

Towing Vessel

Flag

USA

Length

24 m

Beam

6.1 m

Draft

3.8 m

Call sign

WA2539

Official No.

230656

AIS reports

Registered in the United States, ARIZONA is a 24-metre utility boat. She's built with 6.1 metres in the beam and a 3.8-metre draft. On AIS she appears as MMSI 366976250, call sign WA2539. Claim ARIZONA free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.

Free forever · No credit card · for working boats

Built for boats that work — like ARIZONA.

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 ARIZONA 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 ARIZONA 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 ARIZONA and switch it all on

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

Claim free → unlock everything

About ARIZONA

What kind of vessel is ARIZONA?

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

What is ARIZONA's MMSI?

ARIZONA's MMSI is 366976250. Call sign WA2539.

How big is ARIZONA?

ARIZONA is about 24 m long, 6.1 m on the beam, drawing 3.8 m.

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

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