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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

Au Claire

MMSI 368473820 · Call sign WDQ9739

Not yet on Master's Mate
Type
Recreational
Flag
USAUSA
Length
10.5 m
Beam
3.4 m
Draft
1.5 m
Call sign
WDQ9739
Official No.
1345442
AIS reports
1

On the American registry, Au Claire is a 10.5-metre pleasure boat. Below, she has a 3.4 m beam and a draft of 1.5 m. On AIS she appears as MMSI 368473820, call sign WDQ9739. Whether she's at the dock or out for the weekend, Au Claire is covered by the free Master's Mate Safety Initiative Network — alarms, weather, and a watching fleet.

Free forever · No credit card · for recreational captains

Keep Au Claire 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 Au Claire 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 Au Claire 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 Au Claire and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About Au Claire

What kind of vessel is Au Claire?
Au Claire is a Recreational flagged to United States of America.
What is Au Claire's MMSI?
Au Claire's MMSI is 368473820. Call sign WDQ9739.
How big is Au Claire?
Au Claire is about 10.5 m long, 3.4 m on the beam, drawing 1.5 m.
Is Au Claire on the Master's Mate Safety Initiative Network?
Not yet. If Au Claire is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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