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
REIHOU
MMSI 431978000 · Call sign 7KCU
Not yet on Master's MateType
Cargo
Flag
JPNLength
240 m
Beam
43 m
Draft
7.7 m
Call sign
7KCU
IMO
9641388
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
36
A Japanese merchant vessel, REIHOU measures 240 metres. She carries a 43-metre beam and a 7.7 m draft. Look for MMSI 431978000, call sign 7KCU, IMO 9641388. It's free to add REIHOU to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
Free forever · No credit card · for commercial operators
Eyes on REIHOU, 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 3, 2026
Position
33.3269° S, 152.2210° E
Transiting the Tasman Sea? 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 REIHOU 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 REIHOU and switch it all on
Free to join · nothing to install to start · cancel anytime
About REIHOU
What kind of vessel is REIHOU?
REIHOU is a Cargo flagged to Japan.
Where was REIHOU last seen?
REIHOU was last reported in the Tasman Sea in Jun 2026 on public AIS.
What is REIHOU's MMSI?
REIHOU's MMSI is 431978000. Call sign 7KCU. IMO 9641388.
How big is REIHOU?
REIHOU is about 240 m long, 43 m on the beam, drawing 7.7 m.
Is REIHOU on the Master's Mate Safety Initiative Network?
Not yet. If REIHOU is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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