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.

Freight Ship

Java

MMSI 367643990 · Call sign WDP9474

Not yet on Master's Mate

Type

Freight Ship

Flag

USA

Length

54.3 m

Beam

12.1 m

Draft

4.3 m

Call sign

WDP9474

IMO

9724245

Official No.

1256411

AIS reports

Java flies the American flag — a 54.3-metre ocean freighter. She has a 12.1 m beam and a draft of 4.3 m. She's on record as MMSI 367643990, call sign WDP9474, IMO 9724245. It's free to add Java to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.

Free forever · No credit card · for commercial operators

Eyes on Java, around the clock.

Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.

Put her on the dashboard — free →

Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers

Wherever Java 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 commercial operators

The most powerful cruising platform ever built — yours, free.

Joining the Safety Initiative Network doesn't just put Java on the map. It hands you the full bridge:

Live AIS & Traffic

See every vessel around you in real time. Closest-approach warnings before they matter.

Systems Monitoring

Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.

Distress Mesh

Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.

Worldwide Charts

Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.

Weather & Routing

GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.

Anchor Watch

GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.

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 Java and switch it all on

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

Claim free → unlock everything

About Java

What kind of vessel is Java?

Java is a Freight Ship flagged to United States of America.

What is Java's MMSI?

Java's MMSI is 367643990. Call sign WDP9474. IMO 9724245.

How big is Java?

Java is about 54.3 m long, 12.1 m on the beam, drawing 4.3 m.

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

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