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
CASSIOPEIA LEADER
MMSI 431013000 · Call sign 7JZI
Not yet on Master's MateType
Cargo
Flag
JPNLength
200 m
Beam
32 m
Draft
9.5 m
Call sign
7JZI
IMO
9182277
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
25
Out of Japan, CASSIOPEIA LEADER is a 200-metre cargo vessel. She's built with 32 metres in the beam and a 9.5-metre draft. She broadcasts as MMSI 431013000, call sign 7JZI, IMO 9182277. It's free to add CASSIOPEIA LEADER to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
Free forever · No credit card · for commercial operators
Eyes on CASSIOPEIA LEADER, 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
34.4031° S, 17.7162° E
Wherever CASSIOPEIA LEADER 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 CASSIOPEIA LEADER 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 CASSIOPEIA LEADER and switch it all on
Free to join · nothing to install to start · cancel anytime
About CASSIOPEIA LEADER
What kind of vessel is CASSIOPEIA LEADER?
CASSIOPEIA LEADER is a Cargo flagged to Japan.
Where was CASSIOPEIA LEADER last seen?
CASSIOPEIA LEADER was last reported in around 34°S 18°E in Jun 2026 on public AIS.
What is CASSIOPEIA LEADER's MMSI?
CASSIOPEIA LEADER's MMSI is 431013000. Call sign 7JZI. IMO 9182277.
How big is CASSIOPEIA LEADER?
CASSIOPEIA LEADER is about 200 m long, 32 m on the beam, drawing 9.5 m.
Is CASSIOPEIA LEADER on the Master's Mate Safety Initiative Network?
Not yet. If CASSIOPEIA LEADER is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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