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.
Law Enforcement
KCG1503
MMSI 440605000 · Call sign HLZM
Not yet on Master's MateType
Law Enforcement
Flag
KORCall sign
HLZM
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
KCG1503 is a South Korean craft. Look for MMSI 440605000, call sign HLZM. Claim KCG1503 free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
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Is KCG1503 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 11:48 UTC
Position
35.0827° N, 129.0804° E
Speed
0.3 kn
Course
193°
Crossing the Sea of Japan? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put KCG1503 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 KCG1503 and switch it all on
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About KCG1503
What kind of vessel is KCG1503?
KCG1503 is a Law Enforcement flagged to South Korea.
Where was KCG1503 last seen?
KCG1503 was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is KCG1503's MMSI?
KCG1503's MMSI is 440605000. Call sign HLZM.
Is KCG1503 on the Master's Mate Safety Initiative Network?
Not yet. If KCG1503 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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