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.
Cargo
TIENTSIN
MMSI 563303700 · Call sign 9V3754
Not yet on Master's MateType
Cargo
Flag
SGPLength
180 m
Beam
30 m
Draft
6.5 m
Call sign
9V3754
IMO
9768930
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
38
A Singaporean merchant ship, TIENTSIN measures 180 metres. She has a beam of 30 m and a draft measuring 6.5 metres. On the registers she's MMSI 563303700, call sign 9V3754, IMO 9768930. Add TIENTSIN to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
Free forever · No credit card · for commercial operators
Eyes on TIENTSIN, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 3, 2026
Position
17.3442° S, 146.1609° E
Transiting the Great Barrier Reef? You're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
Free with your claim · for commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put TIENTSIN on the map. It hands you the full bridge:
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
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 TIENTSIN and switch it all on
Free to join · nothing to install to start · cancel anytime
About TIENTSIN
What kind of vessel is TIENTSIN?
TIENTSIN is a Cargo flagged to Singapore.
Where was TIENTSIN last seen?
TIENTSIN was last reported in the Great Barrier Reef in Jun 2026 on public AIS.
What is TIENTSIN's MMSI?
TIENTSIN's MMSI is 563303700. Call sign 9V3754. IMO 9768930.
How big is TIENTSIN?
TIENTSIN is about 180 m long, 30 m on the beam, drawing 6.5 m.
Is TIENTSIN on the Master's Mate Safety Initiative Network?
Not yet. If TIENTSIN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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