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.
Fishing
JUPITER
MMSI 701000924 · Call sign LW 5819
Not yet on Master's MateType
Fishing
Flag
ARGLength
25 m
Beam
6 m
Draft
2.1 m
Call sign
LW 5819
IMO
8300004
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
JUPITER is a 25-metre fishing boat registered in Argentina. She has a beam measuring 6 metres and a draft of 2.1 m. She broadcasts as MMSI 701000924, call sign LW 5819, IMO 8300004. Add JUPITER to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
Free forever · No credit card · for working captains
Know where the fleet is. Get JUPITER home safe.
Live AIS traffic, weather you can plan around, engine & systems telemetry, and a distress mesh that reaches nearby boats.
Keep the fleet in sight — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 4, 2026
Position
38.0492° S, 57.5354° W
Wherever JUPITER 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 working captains
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put JUPITER 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.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
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.
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.
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 JUPITER and switch it all on
Free to join · nothing to install to start · cancel anytime
About JUPITER
What kind of vessel is JUPITER?
JUPITER is a Fishing flagged to Argentina.
Where was JUPITER last seen?
JUPITER was last reported in around 38°S 58°W in Jun 2026 on public AIS.
What is JUPITER's MMSI?
JUPITER's MMSI is 701000924. Call sign LW 5819. IMO 8300004.
How big is JUPITER?
JUPITER is about 25 m long, 6 m on the beam, drawing 2.1 m.
Is JUPITER on the Master's Mate Safety Initiative Network?
Not yet. If JUPITER is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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