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

Sail Sea Us

MMSI 368443730 · Call sign WDQ6428

Not yet on Master's Mate

Type

Recreational

Flag

USA

Length

17.4 m

Beam

5 m

Draft

2.6 m

Call sign

WDQ6428

Official No.

1361543

AIS reports

Sail Sea Us, an American private vessel, measures 17.4 metres on deck. Below, she has a 5 m beam and a draft measuring 2.6 metres. On AIS she appears as MMSI 368443730, call sign WDQ6428. Give Sail Sea Us the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.

Free forever · No credit card · for recreational captains

Keep Sail Sea Us 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 Sail Sea Us 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 Sail Sea Us 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 Sail Sea Us and switch it all on

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

Claim free → unlock everything

About Sail Sea Us

What kind of vessel is Sail Sea Us?

Sail Sea Us is a Recreational flagged to United States of America.

What is Sail Sea Us's MMSI?

Sail Sea Us's MMSI is 368443730. Call sign WDQ6428.

How big is Sail Sea Us?

Sail Sea Us is about 17.4 m long, 5 m on the beam, drawing 2.6 m.

Is Sail Sea Us on the Master's Mate Safety Initiative Network?

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