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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

Grace

MMSI 368169150 · Call sign WDL8399

Not yet on Master's Mate
Type
Recreational
Flag
USAUSA
Length
17.3 m
Beam
5.3 m
Draft
4 m
Call sign
WDL8399
Official No.
1277540
AIS reports
1

Registered in the United States, Grace is a 17.3-metre recreational boat. She carries a beam of 5.3 m and a 4 m draft. Find her under MMSI 368169150, call sign WDL8399. Grace can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.

Free forever · No credit card · for recreational captains

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

About Grace

What kind of vessel is Grace?
Grace is a Recreational flagged to United States of America.
What is Grace's MMSI?
Grace's MMSI is 368169150. Call sign WDL8399.
How big is Grace?
Grace is about 17.3 m long, 5.3 m on the beam, drawing 4 m.
Is Grace on the Master's Mate Safety Initiative Network?
Not yet. If Grace is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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