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
HAI BA
MMSI 477608100 · Call sign VRMB3
Not yet on Master's MateType
Tug
Flag
HKGLength
37 m
Beam
12 m
Draft
4 m
Call sign
VRMB3
IMO
9688283
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
59
HAI BA is a Hong Kong 37-metre tugboat. She carries a 12-metre beam and a 4 m draft. Her papers read MMSI 477608100, call sign VRMB3, IMO 9688283. Sign HAI BA up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
Free forever · No credit card · for working boats
Built for boats that work — like HAI BA.
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 08:11 UTC
Position
22.3115° N, 114.0973° E
Status
Under way (engine)
Speed
8.7 kn
Course
311°
Working the South China Sea? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put HAI BA 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 BA and switch it all on
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About HAI BA
What kind of vessel is HAI BA?
HAI BA is a Tug flagged to Hong Kong S.A.R..
Where was HAI BA last seen?
HAI BA was last reported in the South China Sea in Jun 2026 on public AIS.
What is HAI BA's MMSI?
HAI BA's MMSI is 477608100. Call sign VRMB3. IMO 9688283.
How big is HAI BA?
HAI BA is about 37 m long, 12 m on the beam, drawing 4 m.
Is HAI BA on the Master's Mate Safety Initiative Network?
Not yet. If HAI BA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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