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.
Passenger
KYOKUYO MARU
Passenger · last seen 34°N 133°E · Jun 2026 · MMSI 431013876 · Call sign JD4640
Not yet on Master's MateType
Passenger
Length
62 m
Beam
13 m
Draft
2.9 m
Call sign
JD4640
IMO
9866483
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
7
KYOKUYO MARU is a passenger ferry, 62 metres long. She has a 13-metre beam and a draft of 2.9 m. On AIS she shows as MMSI 431013876, call sign JD4640, IMO 9866483. Join KYOKUYO MARU to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard KYOKUYO MARU safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 16, 2026 01:35 UTC
Position
33.9150° N, 132.7050° E
Status
Under way (engine)
Speed
12.9 kn
Course
189°
Destination
MYJ < KRE > HIJ
ETA
06-16 13:12 UTC
Wherever KYOKUYO MARU 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 passenger & charter operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put KYOKUYO MARU on the map. It hands you the full bridge:
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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.
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.
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 KYOKUYO MARU and switch it all on
Free to join · nothing to install to start · cancel anytime
About KYOKUYO MARU
What kind of vessel is KYOKUYO MARU?
KYOKUYO MARU is a Passenger.
Where was KYOKUYO MARU last seen?
KYOKUYO MARU was last reported in around 34°N 133°E in Jun 2026 on public AIS.
What is KYOKUYO MARU's MMSI?
KYOKUYO MARU's MMSI is 431013876. Call sign JD4640. IMO 9866483.
How big is KYOKUYO MARU?
KYOKUYO MARU is about 62 m long, 13 m on the beam, drawing 2.9 m.
Is KYOKUYO MARU on the Master's Mate Safety Initiative Network?
Not yet. If KYOKUYO MARU is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
© 2026 Master’s Mate. All rights reserved.