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.
Vessel
Ren Jian Hai Kou
MMSI 413697870
Not yet on Master's MateFlag
CHNLength
179.9 m
IMO
9709609
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
19
Ren Jian Hai Kou flies the Chinese flag — a 179.9-metre vessel. On AIS she appears as MMSI 413697870, IMO 9709609. It's free to add Ren Jian Hai Kou 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
Is Ren Jian Hai Kou your boat?
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 3, 2026
Position
25.8959° N, 120.4456° E
Crossing the East China 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
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Ren Jian Hai Kou on the map. It hands you the full bridge:
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.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
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.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim Ren Jian Hai Kou and switch it all on
Free to join · nothing to install to start · cancel anytime
About Ren Jian Hai Kou
What kind of vessel is Ren Jian Hai Kou?
Ren Jian Hai Kou is a vessel flagged to China.
Where was Ren Jian Hai Kou last seen?
Ren Jian Hai Kou was last reported in the East China Sea in Jun 2026 on public AIS.
What is Ren Jian Hai Kou's MMSI?
Ren Jian Hai Kou's MMSI is 413697870. IMO 9709609.
How big is Ren Jian Hai Kou?
Ren Jian Hai Kou is about 179.9 m long.
Is Ren Jian Hai Kou on the Master's Mate Safety Initiative Network?
Not yet. If Ren Jian Hai Kou 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.