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.
Tug
ZUIKO MARU
Tug · last seen 34°N 132°E · Jun 2026 · MMSI 431010482 · Call sign JD4222
Not yet on Master's MateType
Tug
Length
34 m
Beam
9 m
Draft
3.4 m
Call sign
JD4222
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
9
ZUIKO MARU is a harbour tug, 34 metres long. Her hull carries a 9-metre beam and a draft of 3.4 m. On AIS she shows as MMSI 431010482, call sign JD4222. ZUIKO MARU can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.
Free forever · No credit card · for working boats
Built for boats that work — like ZUIKO MARU.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
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Live AIS position · Jun 16, 2026 01:19 UTC
Position
34.1906° N, 132.2316° E
Status
Under way (engine)
Speed
0.0 kn
Course
283°
Destination
>JP IWK
ETA
06-03 09:00 UTC
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Joining the Safety Initiative Network doesn't just put ZUIKO MARU 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 ZUIKO MARU and switch it all on
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About ZUIKO MARU
What kind of vessel is ZUIKO MARU?
ZUIKO MARU is a Tug.
Where was ZUIKO MARU last seen?
ZUIKO MARU was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is ZUIKO MARU's MMSI?
ZUIKO MARU's MMSI is 431010482. Call sign JD4222.
How big is ZUIKO MARU?
ZUIKO MARU is about 34 m long, 9 m on the beam, drawing 3.4 m.
Is ZUIKO MARU on the Master's Mate Safety Initiative Network?
Not yet. If ZUIKO MARU is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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