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.
Towing
TS23 HO
MMSI 440112060 · Call sign 300
Not yet on Master's MateType
Towing
Flag
KORLength
50 m
Beam
14 m
Draft
2.3 m
Call sign
300
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
58
TS23 HO, a South Korean workboat, measures 50 metres on deck. She's built with a 14-metre beam and a 2.3 m draft. Her papers read MMSI 440112060, call sign 300. TS23 HO is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
Free forever · No credit card · for working boats
Built for boats that work — like TS23 HO.
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
Last known position · Jun 3, 2026
Position
34.9995° N, 128.9002° E
Working 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 TS23 HO 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 TS23 HO and switch it all on
Free to join · nothing to install to start · cancel anytime
About TS23 HO
What kind of vessel is TS23 HO?
TS23 HO is a Towing flagged to South Korea.
Where was TS23 HO last seen?
TS23 HO was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is TS23 HO's MMSI?
TS23 HO's MMSI is 440112060. Call sign 300.
How big is TS23 HO?
TS23 HO is about 50 m long, 14 m on the beam, drawing 2.3 m.
Is TS23 HO on the Master's Mate Safety Initiative Network?
Not yet. If TS23 HO is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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