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
JAYAKARTA 4
MMSI 525015032
Not yet on Master's MateFlag
IDNLength
30 m
IMO
8993722
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
On the Indonesian registry, JAYAKARTA 4 is a 30-metre vessel. Her papers read MMSI 525015032, IMO 8993722. Claim JAYAKARTA 4 free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
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Is JAYAKARTA 4 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 12:55 UTC
Position
6.0965° S, 106.8865° E
Status
Under way (engine)
Speed
0.0 kn
Course
165°
Wherever JAYAKARTA 4 roams, 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 JAYAKARTA 4 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 JAYAKARTA 4 and switch it all on
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About JAYAKARTA 4
What kind of vessel is JAYAKARTA 4?
JAYAKARTA 4 is a vessel flagged to Indonesia.
Where was JAYAKARTA 4 last seen?
JAYAKARTA 4 was last reported in around 6°S 107°E in Jun 2026 on public AIS.
What is JAYAKARTA 4's MMSI?
JAYAKARTA 4's MMSI is 525015032. IMO 8993722.
How big is JAYAKARTA 4?
JAYAKARTA 4 is about 30 m long.
Is JAYAKARTA 4 on the Master's Mate Safety Initiative Network?
Not yet. If JAYAKARTA 4 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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