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

SUNNI

MMSI 367156390 · Call sign WDD5304

Not yet on Master's Mate

Type

Recreational

Flag

USA

Length

24.4 m

Beam

5.6 m

Draft

3 m

Call sign

WDD5304

Official No.

921829

AIS reports

SUNNI, an American pleasure boat, measures 24.4 metres on deck. Below, she has a beam measuring 5.6 metres and a draft measuring 3 metres. Officially she's MMSI 367156390, call sign WDD5304. It's free to add SUNNI 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 recreational captains

Keep SUNNI 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 SUNNI 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 SUNNI 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 SUNNI and switch it all on

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

Claim free → unlock everything

About SUNNI

What kind of vessel is SUNNI?

SUNNI is a Recreational flagged to United States of America.

What is SUNNI's MMSI?

SUNNI's MMSI is 367156390. Call sign WDD5304.

How big is SUNNI?

SUNNI is about 24.4 m long, 5.6 m on the beam, drawing 3 m.

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

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