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.
Towing Vessel
JUPITER
MMSI 366921780 · Call sign WAK3719
Not yet on Master's MateType
Towing Vessel
Flag
USALength
26.5 m
Beam
10.4 m
Draft
4 m
Call sign
WAK3719
IMO
8835138
Official No.
961094
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
19
JUPITER is an American utility boat, 26.5 metres from stem to stern. She's built with a beam of 10.4 m and a 4-metre draft. Look for MMSI 366921780, call sign WAK3719, IMO 8835138. JUPITER belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
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Built for boats that work — like JUPITER.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 3, 2026
Position
29.3212° N, 94.7850° W
Working the Gulf of Mexico? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put JUPITER on the map. It hands you the full bridge:
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
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.
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
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About JUPITER
What kind of vessel is JUPITER?
JUPITER is a Towing Vessel flagged to United States of America.
Where was JUPITER last seen?
JUPITER was last reported in the Gulf of Mexico in Jun 2026 on public AIS.
What is JUPITER's MMSI?
JUPITER's MMSI is 366921780. Call sign WAK3719. IMO 8835138.
How big is JUPITER?
JUPITER is about 26.5 m long, 10.4 m on the beam, drawing 4 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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