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.

Recreational

Sound Wave

MMSI 367788880 · Call sign WDJ5561

Not yet on Master's Mate

Type

Recreational

Flag

USA

Length

12.7 m

Beam

4.2 m

Draft

2.3 m

Call sign

WDJ5561

Official No.

1277796

Hull ID

CTYJ0016D717

AIS reports

Registered in the United States, Sound Wave is a 12.7-metre family boat. She's built with a beam of 4.2 m and a 2.3 m draft. Officially she's MMSI 367788880, call sign WDJ5561. Sound Wave can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.

Free forever · No credit card · for recreational captains

Keep Sound Wave looked after — even when you’re not aboard.

Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.

Look after her — claim free →

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

Wherever Sound Wave 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 recreational captains

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

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

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.

Weather & Routing

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

Worldwide Charts

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

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.

Distress Mesh

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

Hail Any Captain

A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.

Claim Sound Wave and switch it all on

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

Claim free → unlock everything

About Sound Wave

What kind of vessel is Sound Wave?

Sound Wave is a Recreational flagged to United States of America.

What is Sound Wave's MMSI?

Sound Wave's MMSI is 367788880. Call sign WDJ5561.

How big is Sound Wave?

Sound Wave is about 12.7 m long, 4.2 m on the beam, drawing 2.3 m.

Is Sound Wave on the Master's Mate Safety Initiative Network?

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