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.
Tug
KST ZEN
MMSI 563238400 · Call sign 9V9943
Not yet on Master's MateType
Tug
Flag
SGPLength
26 m
Beam
12 m
Call sign
9V9943
IMO
9960631
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
76
KST ZEN is a Singaporean 26-metre tug. She has a 12 m beam. Look for MMSI 563238400, call sign 9V9943, IMO 9960631. Working vessels like KST ZEN are never truly alone on the Master's Mate Safety Initiative Network — free, with a fleet on watch.
Free forever · No credit card · for working boats
Built for boats that work — like KST ZEN.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 11:23 UTC
Position
1.2575° N, 103.6440° E
Status
Under way (sailing)
Speed
6.2 kn
Course
270°
Destination
SG TUA
ETA
10-18 10:00 UTC
Working the Strait of Malacca? 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 KST ZEN on the map. It hands you the full bridge:
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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 KST ZEN and switch it all on
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About KST ZEN
What kind of vessel is KST ZEN?
KST ZEN is a Tug flagged to Singapore.
Where was KST ZEN last seen?
KST ZEN was last reported in the Strait of Malacca in Jun 2026 on public AIS.
What is KST ZEN's MMSI?
KST ZEN's MMSI is 563238400. Call sign 9V9943. IMO 9960631.
How big is KST ZEN?
KST ZEN is about 26 m long, 12 m on the beam.
Is KST ZEN on the Master's Mate Safety Initiative Network?
Not yet. If KST ZEN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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