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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.
Other
MPAC-04
MMSI 525432104 · Call sign YDA4
Not yet on Master's MateType
Other
Flag
IDNLength
15 m
Beam
4 m
Call sign
YDA4
IMO
9130321
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
MPAC-04 is an Indonesian 15-metre craft. MPAC-04 has a 4 m beam. Her papers read MMSI 525432104, call sign YDA4, IMO 9130321. Add MPAC-04 to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
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Is MPAC-04 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.
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Live AIS position · Jun 9, 2026 10:21 UTC
Position
6.0969° S, 106.8866° E
Speed
0.1 kn
Course
304°
Wherever MPAC-04 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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Joining the Safety Initiative Network doesn't just put MPAC-04 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 MPAC-04 and switch it all on
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About MPAC-04
What kind of vessel is MPAC-04?
MPAC-04 is a Other flagged to Indonesia.
Where was MPAC-04 last seen?
MPAC-04 was last reported in around 6°S 107°E in Jun 2026 on public AIS.
What is MPAC-04's MMSI?
MPAC-04's MMSI is 525432104. Call sign YDA4. IMO 9130321.
How big is MPAC-04?
MPAC-04 is about 15 m long, 4 m on the beam.
Is MPAC-04 on the Master's Mate Safety Initiative Network?
Not yet. If MPAC-04 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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