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
KASUGA
Tug · last seen 11°N 107°E · Jun 2026 · MMSI 574012833 · Call sign 3WNJ9
Not yet on Master's MateType
Tug
Length
41 m
Beam
10 m
Draft
3.4 m
Call sign
3WNJ9
IMO
9389007
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
13
KASUGA is a tugboat, measuring 41 metres. She carries a 10-metre beam and a 3.4 m draft. Officially she's MMSI 574012833, call sign 3WNJ9, IMO 9389007. The Master's Mate Safety Initiative Network welcomes KASUGA — free to join, cruiser-run, and always on watch.
Free forever · No credit card · for working boats
Built for boats that work — like KASUGA.
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 15, 2026 19:19 UTC
Position
10.5340° N, 107.0282° E
Speed
0.0 kn
Course
33°
Destination
VUNGTAU-VN
ETA
03-14 14:00 UTC
Working the South China Sea? 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 KASUGA 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 KASUGA and switch it all on
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About KASUGA
What kind of vessel is KASUGA?
KASUGA is a Tug.
Where was KASUGA last seen?
KASUGA was last reported in the South China Sea in Jun 2026 on public AIS.
What is KASUGA's MMSI?
KASUGA's MMSI is 574012833. Call sign 3WNJ9. IMO 9389007.
How big is KASUGA?
KASUGA is about 41 m long, 10 m on the beam, drawing 3.4 m.
Is KASUGA on the Master's Mate Safety Initiative Network?
Not yet. If KASUGA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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