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
KISO
MMSI 431200673 · Call sign JD2019
Not yet on Master's MateType
Passenger
Flag
JPNLength
200 m
Beam
27 m
Draft
6.7 m
Call sign
JD2019
IMO
9294317
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
55
KISO is a passenger boat wearing Japanese colours, measuring 200 metres. She's built with a beam of 27 m and a 6.7 m draft. Look for MMSI 431200673, call sign JD2019, IMO 9294317. Bring KISO aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard KISO 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
Last known position · Jun 4, 2026
Position
38.1853° N, 141.1334° E
Sailing the Sea of Japan? 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 KISO 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 KISO and switch it all on
Free to join · nothing to install to start · cancel anytime
About KISO
What kind of vessel is KISO?
KISO is a Passenger flagged to Japan.
Where was KISO last seen?
KISO was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is KISO's MMSI?
KISO's MMSI is 431200673. Call sign JD2019. IMO 9294317.
How big is KISO?
KISO is about 200 m long, 27 m on the beam, drawing 6.7 m.
Is KISO on the Master's Mate Safety Initiative Network?
Not yet. If KISO is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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