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
HIMAWARI 9
MMSI 431010248 · Call sign JD4230
Not yet on Master's MateType
Cargo
Flag
JPNLength
167 m
Beam
28 m
Draft
6.8 m
Call sign
JD4230
IMO
9806184
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
8
Registered in Japan, HIMAWARI 9 is a 167-metre freighter. She has a beam of 28 m and a draft of 6.8 m. On the registers she's MMSI 431010248, call sign JD4230, IMO 9806184. HIMAWARI 9 can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.
Free forever · No credit card · for commercial operators
Eyes on HIMAWARI 9, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 2, 2026
Position
35.1353° N, 140.4234° E
Transiting 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 commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put HIMAWARI 9 on the map. It hands you the full bridge:
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
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 HIMAWARI 9 and switch it all on
Free to join · nothing to install to start · cancel anytime
About HIMAWARI 9
What kind of vessel is HIMAWARI 9?
HIMAWARI 9 is a Cargo flagged to Japan.
Where was HIMAWARI 9 last seen?
HIMAWARI 9 was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is HIMAWARI 9's MMSI?
HIMAWARI 9's MMSI is 431010248. Call sign JD4230. IMO 9806184.
How big is HIMAWARI 9?
HIMAWARI 9 is about 167 m long, 28 m on the beam, drawing 6.8 m.
Is HIMAWARI 9 on the Master's Mate Safety Initiative Network?
Not yet. If HIMAWARI 9 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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