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.

Public Vessel, Unclassified

SOUND DEVELOPER

MMSI 366464070 · Call sign WBV9817

Not yet on Master's Mate

Type

Public Vessel, Unclassified

Flag

USA

Length

35.8 m

Beam

8.8 m

Draft

2.2 m

Call sign

WBV9817

IMO

7938359

Official No.

599597

AIS reports

On the American registry, SOUND DEVELOPER is a 35.8-metre craft. Her hull carries a beam measuring 8.8 metres and a draft measuring 2.2 metres. On the registers she's MMSI 366464070, call sign WBV9817, IMO 7938359. There's a place for SOUND DEVELOPER on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.

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Is SOUND DEVELOPER your boat?

Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.

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

Wherever SOUND DEVELOPER roams, you're never out there alone.

Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.

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

Joining the Safety Initiative Network doesn't just put SOUND DEVELOPER 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.

Worldwide Charts

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

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.

Onboard Cameras

Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.

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.

Hail Any Captain

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

Claim SOUND DEVELOPER and switch it all on

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About SOUND DEVELOPER

What kind of vessel is SOUND DEVELOPER?

SOUND DEVELOPER is a Public Vessel, Unclassified flagged to United States of America.

What is SOUND DEVELOPER's MMSI?

SOUND DEVELOPER's MMSI is 366464070. Call sign WBV9817. IMO 7938359.

How big is SOUND DEVELOPER?

SOUND DEVELOPER is about 35.8 m long, 8.8 m on the beam, drawing 2.2 m.

Is SOUND DEVELOPER on the Master's Mate Safety Initiative Network?

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