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

CROSBY DUKE

MMSI 366771810 · Call sign WCZ4972

Not yet on Master's Mate

Type

Towing Vessel

Flag

USA

Length

31.7 m

Beam

9.8 m

Draft

4.8 m

Call sign

WCZ4972

IMO

7434030

Official No.

570147

AIS reports

CROSBY DUKE is a service vessel listed on the the United States registry, measuring 31.7 metres. She carries a beam of 9.8 m and a 4.8 m draft. Look for MMSI 366771810, call sign WCZ4972, IMO 7434030. CROSBY DUKE 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 CROSBY DUKE.

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 CROSBY DUKE 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 CROSBY DUKE 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 CROSBY DUKE and switch it all on

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

Claim free → unlock everything

About CROSBY DUKE

What kind of vessel is CROSBY DUKE?

CROSBY DUKE is a Towing Vessel flagged to United States of America.

What is CROSBY DUKE's MMSI?

CROSBY DUKE's MMSI is 366771810. Call sign WCZ4972. IMO 7434030.

How big is CROSBY DUKE?

CROSBY DUKE is about 31.7 m long, 9.8 m on the beam, drawing 4.8 m.

Is CROSBY DUKE on the Master's Mate Safety Initiative Network?

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