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.
Passenger (Uninspected)
Koo Wa Sik
MMSI 368436350 · Call sign WDQ5627
Not yet on Master's MateType
Passenger (Uninspected)
Flag
USALength
11.2 m
Beam
3.7 m
Draft
1.7 m
Call sign
WDQ5627
Official No.
924693
AIS reports
1
Koo Wa Sik, a passenger craft sailing under the American flag, measures 11.2 metres on deck. Her hull carries a 3.7 m beam and a draft measuring 1.7 metres. Look for MMSI 368436350, call sign WDQ5627. Keep every soul aboard Koo Wa Sik covered with the free Master's Mate Safety Initiative Network.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard Koo Wa Sik safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever Koo Wa Sik roams, 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 passenger & charter operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Koo Wa Sik on the map. It hands you the full bridge:
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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.
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.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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 Koo Wa Sik and switch it all on
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About Koo Wa Sik
What kind of vessel is Koo Wa Sik?
Koo Wa Sik is a Passenger (Uninspected) flagged to United States of America.
What is Koo Wa Sik's MMSI?
Koo Wa Sik's MMSI is 368436350. Call sign WDQ5627.
How big is Koo Wa Sik?
Koo Wa Sik is about 11.2 m long, 3.7 m on the beam, drawing 1.7 m.
Is Koo Wa Sik on the Master's Mate Safety Initiative Network?
Not yet. If Koo Wa Sik is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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