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.
Tanker
STL YANGTZE
Tanker · last seen 29°N 94°W · Jun 2026 · MMSI 636021206 · Call sign 5LCU5
Not yet on Master's MateType
Tanker
Length
229 m
Beam
36 m
Draft
10.3 m
Call sign
5LCU5
IMO
9918171
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
25
STL YANGTZE is a tank vessel, 229 metres on deck. Below, she has a 36-metre beam and a draft measuring 10.3 metres. She's on record as MMSI 636021206, call sign 5LCU5, IMO 9918171. STL YANGTZE can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.
Free forever · No credit card · for commercial operators
Eyes on STL YANGTZE, 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
Live AIS position · Jun 16, 2026 01:03 UTC
Position
29.4036° N, 93.6220° W
Status
At anchor
Speed
0.0 kn
Course
56°
Destination
CNLYG=>USNDX
ETA
06-15 22:30 UTC
Transiting the Gulf of Mexico? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put STL YANGTZE 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 STL YANGTZE and switch it all on
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About STL YANGTZE
What kind of vessel is STL YANGTZE?
STL YANGTZE is a Tanker.
Where was STL YANGTZE last seen?
STL YANGTZE was last reported in the Gulf of Mexico in Jun 2026 on public AIS.
What is STL YANGTZE's MMSI?
STL YANGTZE's MMSI is 636021206. Call sign 5LCU5. IMO 9918171.
How big is STL YANGTZE?
STL YANGTZE is about 229 m long, 36 m on the beam, drawing 10.3 m.
Is STL YANGTZE on the Master's Mate Safety Initiative Network?
Not yet. If STL YANGTZE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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