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
HAI TONG
MMSI 477046500 · Call sign URDR7
Not yet on Master's MateType
Towing
Flag
HKGLength
37 m
Beam
10 m
Call sign
URDR7
IMO
9485071
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
24
A Hong Kong working craft, HAI TONG measures 37 metres. Below, she has a beam of 10 m. Find her under MMSI 477046500, call sign URDR7, IMO 9485071. Give HAI TONG the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
Free forever · No credit card · for working boats
Built for boats that work — like HAI TONG.
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
22.3274° N, 114.1279° E
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 HAI TONG 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 HAI TONG and switch it all on
Free to join · nothing to install to start · cancel anytime
About HAI TONG
What kind of vessel is HAI TONG?
HAI TONG is a Towing flagged to Hong Kong S.A.R..
Where was HAI TONG last seen?
HAI TONG was last reported in the South China Sea in Jun 2026 on public AIS.
What is HAI TONG's MMSI?
HAI TONG's MMSI is 477046500. Call sign URDR7. IMO 9485071.
How big is HAI TONG?
HAI TONG is about 37 m long, 10 m on the beam.
Is HAI TONG on the Master's Mate Safety Initiative Network?
Not yet. If HAI TONG is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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