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
Third Reef
MMSI 368461090 · Call sign WDQ8334
Not yet on Master's MateType
Recreational
Flag
USALength
11.6 m
Beam
4.1 m
Draft
2 m
Call sign
WDQ8334
Official No.
1263060
Hull ID
HWSX8136C515
AIS reports
1
Third Reef, a pleasure craft on the the United States registry, measures 11.6 metres on deck. She carries 4.1 metres in the beam and a 2 m draft. On AIS she shows as MMSI 368461090, call sign WDQ8334. The Master's Mate Safety Initiative Network welcomes Third Reef — free to join, cruiser-run, and always on watch.
Free forever · No credit card · for recreational captains
Keep Third Reef 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 Third Reef 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 Third Reef 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 Third Reef and switch it all on
Free to join · nothing to install to start · cancel anytime
About Third Reef
What kind of vessel is Third Reef?
Third Reef is a Recreational flagged to United States of America.
What is Third Reef's MMSI?
Third Reef's MMSI is 368461090. Call sign WDQ8334.
How big is Third Reef?
Third Reef is about 11.6 m long, 4.1 m on the beam, drawing 2 m.
Is Third Reef on the Master's Mate Safety Initiative Network?
Not yet. If Third Reef is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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