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

RIVER DIAMOND

MMSI 368073490 · Call sign WDK6330

Not yet on Master's Mate

Type

Towing Vessel

Flag

USA

Length

16.6 m

Beam

5.9 m

Draft

2.3 m

Call sign

WDK6330

Official No.

609370

AIS reports

RIVER DIAMOND is an American work boat — 16.6 metres overall. Below, she has a beam of 5.9 m and a draft measuring 2.3 metres. She's listed under MMSI 368073490, call sign WDK6330. It's free to add RIVER DIAMOND 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 working boats

Built for boats that work — like RIVER DIAMOND.

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 RIVER DIAMOND 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 RIVER DIAMOND 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 RIVER DIAMOND and switch it all on

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

Claim free → unlock everything

About RIVER DIAMOND

What kind of vessel is RIVER DIAMOND?

RIVER DIAMOND is a Towing Vessel flagged to United States of America.

What is RIVER DIAMOND's MMSI?

RIVER DIAMOND's MMSI is 368073490. Call sign WDK6330.

How big is RIVER DIAMOND?

RIVER DIAMOND is about 16.6 m long, 5.9 m on the beam, drawing 2.3 m.

Is RIVER DIAMOND on the Master's Mate Safety Initiative Network?

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