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
SUNYO
MMSI 319307900 · Call sign ZGUD2
Not yet on Master's MateType
Sailing
Flag
CYMLength
27 m
Beam
6 m
Call sign
ZGUD2
First reported
Apr 2026
Last reported
Jun 2026
AIS reports
168
SUNYO, a sailing cruiser flying the Cayman Islands flag, measures 27 metres on deck. She carries a beam measuring 6 metres. On AIS she appears as MMSI 319307900, call sign ZGUD2. There's a place for SUNYO on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
Free forever · No credit card · for cruisers
Sleep easy on the hook aboard SUNYO.
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
Live AIS position · Jun 9, 2026 07:09 UTC
Position
42.3754° N, 71.0488° W
Status
Under way (engine)
Speed
0.0 kn
Course
360°
Sailing the Gulf of Maine? 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 cruisers
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SUNYO 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 SUNYO and switch it all on
Free to join · nothing to install to start · cancel anytime
About SUNYO
What kind of vessel is SUNYO?
SUNYO is a Sailing flagged to Cayman Islands.
Where was SUNYO last seen?
SUNYO was last reported in the Gulf of Maine in Jun 2026 on public AIS.
What is SUNYO's MMSI?
SUNYO's MMSI is 319307900. Call sign ZGUD2.
How big is SUNYO?
SUNYO is about 27 m long, 6 m on the beam.
Is SUNYO on the Master's Mate Safety Initiative Network?
Not yet. If SUNYO is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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