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.
Cargo
SLM JOSEPHINE
MMSI 525801179 · Call sign YDSV3
Not yet on Master's MateType
Cargo
Flag
IDNLength
129 m
Beam
26 m
Draft
3.2 m
Call sign
YDSV3
IMO
9996812
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
78
SLM JOSEPHINE is an ocean freighter registered in Indonesia, 129 metres LOA. Below, she has 26 metres in the beam and a draft of 3.2 m. She's on record as MMSI 525801179, call sign YDSV3, IMO 9996812. Add SLM JOSEPHINE to the Master's Mate Safety Initiative Network and share the water with a fleet that's paying attention — free.
Free forever · No credit card · for commercial operators
Eyes on SLM JOSEPHINE, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 3, 2026
Position
6.6158° S, 112.4994° E
Wherever SLM JOSEPHINE 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 · for commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SLM JOSEPHINE on the map. It hands you the full bridge:
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
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.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim SLM JOSEPHINE and switch it all on
Free to join · nothing to install to start · cancel anytime
About SLM JOSEPHINE
What kind of vessel is SLM JOSEPHINE?
SLM JOSEPHINE is a Cargo flagged to Indonesia.
Where was SLM JOSEPHINE last seen?
SLM JOSEPHINE was last reported in around 7°S 112°E in Jun 2026 on public AIS.
What is SLM JOSEPHINE's MMSI?
SLM JOSEPHINE's MMSI is 525801179. Call sign YDSV3. IMO 9996812.
How big is SLM JOSEPHINE?
SLM JOSEPHINE is about 129 m long, 26 m on the beam, drawing 3.2 m.
Is SLM JOSEPHINE on the Master's Mate Safety Initiative Network?
Not yet. If SLM JOSEPHINE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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