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
PANTHERA J
MMSI 636017210 · Call sign D5JU7
Not yet on Master's MateFlag
LBRLength
118 m
Beam
20 m
Draft
5.7 m
Call sign
D5JU7
IMO
9226700
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
12
PANTHERA J, a Liberian vessel, measures 118 metres on deck. She's built with a 20-metre beam and a 5.7 m draft. Officially she's MMSI 636017210, call sign D5JU7, IMO 9226700. Sign PANTHERA J up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
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Is PANTHERA J 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
Last known position · Jun 4, 2026
Position
43.1530° N, 28.2985° E
Crossing the Black Sea? 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 PANTHERA J 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 PANTHERA J and switch it all on
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About PANTHERA J
What kind of vessel is PANTHERA J?
PANTHERA J is a vessel flagged to Liberia.
Where was PANTHERA J last seen?
PANTHERA J was last reported in the Black Sea in Jun 2026 on public AIS.
What is PANTHERA J's MMSI?
PANTHERA J's MMSI is 636017210. Call sign D5JU7. IMO 9226700.
How big is PANTHERA J?
PANTHERA J is about 118 m long, 20 m on the beam, drawing 5.7 m.
Is PANTHERA J on the Master's Mate Safety Initiative Network?
Not yet. If PANTHERA J is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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