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.
Vessel
CAROLINE
MMSI 601431000 · Call sign ZR 3592
Not yet on Master's MateFlag
ZAFDraft
5 m
Call sign
ZR 3592
IMO
6520583
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
CAROLINE flies the South African flag — a vessel. She's built with a 5 m draft. She broadcasts as MMSI 601431000, call sign ZR 3592, IMO 6520583. Sign CAROLINE up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
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Is CAROLINE your boat?
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 02:49 UTC
Position
29.9622° S, 31.3563° E
Status
Engaged in fishing
Speed
2.6 kn
Course
50°
Destination
DURBAN
ETA
01-01 00:00 UTC
Wherever CAROLINE 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
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put CAROLINE 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.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
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.
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 CAROLINE and switch it all on
Free to join · nothing to install to start · cancel anytime
About CAROLINE
What kind of vessel is CAROLINE?
CAROLINE is a vessel flagged to South Africa.
Where was CAROLINE last seen?
CAROLINE was last reported in around 30°S 31°E in Jun 2026 on public AIS.
What is CAROLINE's MMSI?
CAROLINE's MMSI is 601431000. Call sign ZR 3592. IMO 6520583.
Is CAROLINE on the Master's Mate Safety Initiative Network?
Not yet. If CAROLINE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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