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
ISHIKARI
MMSI 431000590 · Call sign JD3167
Not yet on Master's MateType
Passenger
Flag
JPNLength
200 m
Beam
27 m
Draft
6.7 m
Call sign
JD3167
IMO
9526655
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
14
ISHIKARI is a passenger ferry under Japanese registration, 200 metres long. She has a beam of 27 m and a draft of 6.7 m. Officially she's MMSI 431000590, call sign JD3167, IMO 9526655. Join ISHIKARI 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 ISHIKARI 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
38.2676° N, 141.0411° 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.
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Joining the Safety Initiative Network doesn't just put ISHIKARI 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 ISHIKARI and switch it all on
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About ISHIKARI
What kind of vessel is ISHIKARI?
ISHIKARI is a Passenger flagged to Japan.
Where was ISHIKARI last seen?
ISHIKARI was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is ISHIKARI's MMSI?
ISHIKARI's MMSI is 431000590. Call sign JD3167. IMO 9526655.
How big is ISHIKARI?
ISHIKARI is about 200 m long, 27 m on the beam, drawing 6.7 m.
Is ISHIKARI on the Master's Mate Safety Initiative Network?
Not yet. If ISHIKARI is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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