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
Ocean Ace No. 5
MMSI 440107000
Not yet on Master's MateFlag
KORLength
80 m
IMO
9301665
AIS reports
2
Ocean Ace No. 5 is a South Korean 80-metre craft. She broadcasts as MMSI 440107000, IMO 9301665. Claim Ocean Ace No. 5 free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
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Is Ocean Ace No. 5 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
Live AIS position · Jun 9, 2026 19:17 UTC
Position
34.9869° N, 128.8586° E
Status
Under way (sailing)
Speed
9.5 kn
Course
255°
Destination
MASAN
ETA
06-10 06:30 UTC
Crossing 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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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Ocean Ace No. 5 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 Ocean Ace No. 5 and switch it all on
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About Ocean Ace No. 5
What kind of vessel is Ocean Ace No. 5?
Ocean Ace No. 5 is a vessel flagged to South Korea.
Where was Ocean Ace No. 5 last seen?
Ocean Ace No. 5 was last reported in the Sea of Japan on public AIS.
What is Ocean Ace No. 5's MMSI?
Ocean Ace No. 5's MMSI is 440107000. IMO 9301665.
How big is Ocean Ace No. 5?
Ocean Ace No. 5 is about 80 m long.
Is Ocean Ace No. 5 on the Master's Mate Safety Initiative Network?
Not yet. If Ocean Ace No. 5 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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