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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

KIYOMARU

Cargo · last seen 35°N 135°E · Jun 2026 · MMSI 431400386 · Call sign JK5234

Not yet on Master's Mate
Type
Cargo
Length
121 m
Beam
28 m
Draft
4 m
Call sign
JK5234
IMO
8879598
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
6

KIYOMARU is a 121-metre cargo carrier. KIYOMARU has 28 metres in the beam and a 4-metre draft. She's listed under MMSI 431400386, call sign JK5234, IMO 8879598. KIYOMARU is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.

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Live AIS position · Jun 15, 2026 13:14 UTC
Position
34.7195° N, 135.3434° E
Status
Under way (engine)
Speed
0.0 kn
Course
284°
Destination
JP AMX
ETA
06-15 17:45 UTC
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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.
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Anchor Watch
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About KIYOMARU

What kind of vessel is KIYOMARU?
KIYOMARU is a Cargo.
Where was KIYOMARU last seen?
KIYOMARU was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is KIYOMARU's MMSI?
KIYOMARU's MMSI is 431400386. Call sign JK5234. IMO 8879598.
How big is KIYOMARU?
KIYOMARU is about 121 m long, 28 m on the beam, drawing 4 m.
Is KIYOMARU on the Master's Mate Safety Initiative Network?
Not yet. If KIYOMARU is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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