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.
Passenger (Inspected)
SUN DOWNER
MMSI 367383070 · Call sign WCY7647
Not yet on Master's MateType
Passenger (Inspected)
Flag
USALength
13.5 m
Beam
4.3 m
Draft
1.8 m
Call sign
WCY7647
Official No.
586277
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
68
SUN DOWNER, an excursion vessel sailing under the American flag, measures 13.5 metres on deck. She carries a 4.3-metre beam and a 1.8-metre draft. Officially she's MMSI 367383070, call sign WCY7647. SUN DOWNER can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard SUN DOWNER safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 3, 2026
Position
29.8283° N, 93.9898° W
Sailing the Gulf of Mexico? 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 passenger & charter operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SUN DOWNER on the map. It hands you the full bridge:
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim SUN DOWNER and switch it all on
Free to join · nothing to install to start · cancel anytime
About SUN DOWNER
What kind of vessel is SUN DOWNER?
SUN DOWNER is a Passenger (Inspected) flagged to United States of America.
Where was SUN DOWNER last seen?
SUN DOWNER was last reported in the Gulf of Mexico in Jun 2026 on public AIS.
What is SUN DOWNER's MMSI?
SUN DOWNER's MMSI is 367383070. Call sign WCY7647.
How big is SUN DOWNER?
SUN DOWNER is about 13.5 m long, 4.3 m on the beam, drawing 1.8 m.
Is SUN DOWNER on the Master's Mate Safety Initiative Network?
Not yet. If SUN DOWNER is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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