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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

HOZAN MARU

Tug · last seen 35°N 135°E · Jun 2026 · MMSI 431011868 · Call sign JD4429

Not yet on Master's Mate
Type
Tug
Length
27 m
Beam
8 m
Draft
3 m
Call sign
JD4429
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
11

HOZAN MARU is a 27-metre tug. Below, she has 8 metres in the beam and a draft measuring 3 metres. She's on record as MMSI 431011868, call sign JD4429. HOZAN MARU belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.

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Live AIS position · Jun 15, 2026 13:45 UTC
Position
34.6678° N, 135.1775° E
Status
Under way (engine)
Speed
0.0 kn
Course
141°
Destination
>JP UKB
ETA
06-05 01:00 UTC
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Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Live AIS & Traffic
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Weather & Routing
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Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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About HOZAN MARU

What kind of vessel is HOZAN MARU?
HOZAN MARU is a Tug.
Where was HOZAN MARU last seen?
HOZAN MARU was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is HOZAN MARU's MMSI?
HOZAN MARU's MMSI is 431011868. Call sign JD4429.
How big is HOZAN MARU?
HOZAN MARU is about 27 m long, 8 m on the beam, drawing 3 m.
Is HOZAN MARU on the Master's Mate Safety Initiative Network?
Not yet. If HOZAN MARU is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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