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.
Sailing
BLUE MOON
MMSI 339385000 · Call sign 6YRZ3
Not yet on Master's MateType
Sailing
Flag
JAMLength
17 m
Beam
9 m
Call sign
6YRZ3
First reported
Apr 2026
Last reported
Apr 2026
AIS reports
85
BLUE MOON is a 17-metre sailing boat, hailing from Jamaica. Below, she has a beam of 9 m. On AIS she shows as MMSI 339385000, call sign 6YRZ3. Sign BLUE MOON up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
Free forever · No credit card · for cruisers
Sleep easy on the hook aboard BLUE MOON.
GPS-precise anchor-drag alarms, ETA-calibrated weather routing, worldwide charts, and cruisers watching each other’s backs.
Set her anchor watch — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Apr 23, 2026
Position
17.0153° N, 61.7783° W
Sailing the Caribbean? You're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put BLUE MOON 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.
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.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Claim BLUE MOON and switch it all on
Free to join · nothing to install to start · cancel anytime
About BLUE MOON
What kind of vessel is BLUE MOON?
BLUE MOON is a Sailing flagged to Jamaica.
Where was BLUE MOON last seen?
BLUE MOON was last reported in the Caribbean in Apr 2026 on public AIS.
What is BLUE MOON's MMSI?
BLUE MOON's MMSI is 339385000. Call sign 6YRZ3.
How big is BLUE MOON?
BLUE MOON is about 17 m long, 9 m on the beam.
Is BLUE MOON on the Master's Mate Safety Initiative Network?
Not yet. If BLUE MOON is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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