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.
Tanker
MAZU
MMSI 636022080 · Call sign 5LHB9
Not yet on Master's MateType
Tanker
Flag
LBRLength
103 m
Beam
15 m
Draft
6.6 m
Call sign
5LHB9
IMO
9190195
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
41
A Liberian tank vessel, MAZU measures 103 metres. MAZU has a 15-metre beam and a 6.6-metre draft. She broadcasts as MMSI 636022080, call sign 5LHB9, IMO 9190195. Big or small, every hull benefits from the free Master's Mate Safety Initiative Network — MAZU included.
Free forever · No credit card · for commercial operators
Eyes on MAZU, 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 4, 2026
Position
43.1269° N, 29.5711° E
Transiting 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.
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 MAZU 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 MAZU and switch it all on
Free to join · nothing to install to start · cancel anytime
About MAZU
What kind of vessel is MAZU?
MAZU is a Tanker flagged to Liberia.
Where was MAZU last seen?
MAZU was last reported in the Black Sea in Jun 2026 on public AIS.
What is MAZU's MMSI?
MAZU's MMSI is 636022080. Call sign 5LHB9. IMO 9190195.
How big is MAZU?
MAZU is about 103 m long, 15 m on the beam, drawing 6.6 m.
Is MAZU on the Master's Mate Safety Initiative Network?
Not yet. If MAZU is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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