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
SY HEMISPHERE
MMSI 319430000 · Call sign ZGBV7
Not yet on Master's MateType
Sailing
Flag
CYMLength
44 m
Beam
16 m
Draft
3.2 m
Call sign
ZGBV7
IMO
9623960
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
Registered in the Cayman Islands, SY HEMISPHERE is a 44-metre sailing yacht. She's built with a beam measuring 16 metres and a 3.2 m draft. She's listed under MMSI 319430000, call sign ZGBV7, IMO 9623960. SY HEMISPHERE would be right at home on the Master's Mate Safety Initiative Network, where cruisers share a free safety net from anchorage to anchorage.
Free forever · No credit card · for cruisers
Sleep easy on the hook aboard SY HEMISPHERE.
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 · Jun 4, 2026
Position
43.6949° N, 7.3416° E
Sailing the Ligurian Sea? 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 SY HEMISPHERE 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 SY HEMISPHERE and switch it all on
Free to join · nothing to install to start · cancel anytime
About SY HEMISPHERE
What kind of vessel is SY HEMISPHERE?
SY HEMISPHERE is a Sailing flagged to Cayman Islands.
Where was SY HEMISPHERE last seen?
SY HEMISPHERE was last reported in the Ligurian Sea in Jun 2026 on public AIS.
What is SY HEMISPHERE's MMSI?
SY HEMISPHERE's MMSI is 319430000. Call sign ZGBV7. IMO 9623960.
How big is SY HEMISPHERE?
SY HEMISPHERE is about 44 m long, 16 m on the beam, drawing 3.2 m.
Is SY HEMISPHERE on the Master's Mate Safety Initiative Network?
Not yet. If SY HEMISPHERE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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