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
SITC Keelung
MMSI 477347900
Not yet on Master's MateFlag
HKGLength
171.9 m
IMO
9712761
AIS reports
2
On the Hong Kong registry, SITC Keelung is a 171.9-metre craft. She's on record as MMSI 477347900, IMO 9712761. SITC Keelung is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
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Is SITC Keelung 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 21:40 UTC
Position
35.4317° N, 139.7549° E
Status
Under way (engine)
Speed
12.2 kn
Course
238°
Destination
JP YOK XX SHN
ETA
06-09 22:00 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 SITC Keelung 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 SITC Keelung and switch it all on
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About SITC Keelung
What kind of vessel is SITC Keelung?
SITC Keelung is a vessel flagged to Hong Kong S.A.R..
Where was SITC Keelung last seen?
SITC Keelung was last reported in the Sea of Japan on public AIS.
What is SITC Keelung's MMSI?
SITC Keelung's MMSI is 477347900. IMO 9712761.
How big is SITC Keelung?
SITC Keelung is about 171.9 m long.
Is SITC Keelung on the Master's Mate Safety Initiative Network?
Not yet. If SITC Keelung is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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