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
MERCURY LEADER
MMSI 431432000 · Call sign 7JZX
Not yet on Master's MateType
Cargo
Flag
JPNLength
187 m
Beam
28 m
Draft
6.7 m
Call sign
7JZX
IMO
9392353
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
25
MERCURY LEADER is a Japanese ocean freighter — 187 metres overall. She has a 28 m beam and a draft of 6.7 m. She broadcasts as MMSI 431432000, call sign 7JZX, IMO 9392353. Sign MERCURY LEADER up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
Free forever · No credit card · for commercial operators
Eyes on MERCURY 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 2, 2026
Position
29.7446° S, 31.5567° E
Wherever MERCURY 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 MERCURY 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 MERCURY LEADER and switch it all on
Free to join · nothing to install to start · cancel anytime
About MERCURY LEADER
What kind of vessel is MERCURY LEADER?
MERCURY LEADER is a Cargo flagged to Japan.
Where was MERCURY LEADER last seen?
MERCURY LEADER was last reported in around 30°S 32°E in Jun 2026 on public AIS.
What is MERCURY LEADER's MMSI?
MERCURY LEADER's MMSI is 431432000. Call sign 7JZX. IMO 9392353.
How big is MERCURY LEADER?
MERCURY LEADER is about 187 m long, 28 m on the beam, drawing 6.7 m.
Is MERCURY LEADER on the Master's Mate Safety Initiative Network?
Not yet. If MERCURY LEADER is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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