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
ASTIR THUBAN
MMSI 636018567 · Call sign D5QH2
Not yet on Master's MateType
Tanker
Flag
LBRLength
229 m
Beam
32 m
Draft
7.5 m
Call sign
D5QH2
IMO
9840867
First reported
Apr 2026
Last reported
Apr 2026
AIS reports
87
ASTIR THUBAN flies the Liberian flag — a 229-metre tanker. ASTIR THUBAN has a 32 m beam and a 7.5 m draft. On AIS she appears as MMSI 636018567, call sign D5QH2, IMO 9840867. ASTIR THUBAN belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
Free forever · No credit card · for commercial operators
Eyes on ASTIR THUBAN, 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 · Apr 16, 2026
Position
17.2406° N, 63.3000° W
Transiting the Caribbean? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put ASTIR THUBAN 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.
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About ASTIR THUBAN
What kind of vessel is ASTIR THUBAN?
ASTIR THUBAN is a Tanker flagged to Liberia.
Where was ASTIR THUBAN last seen?
ASTIR THUBAN was last reported in the Caribbean in Apr 2026 on public AIS.
What is ASTIR THUBAN's MMSI?
ASTIR THUBAN's MMSI is 636018567. Call sign D5QH2. IMO 9840867.
How big is ASTIR THUBAN?
ASTIR THUBAN is about 229 m long, 32 m on the beam, drawing 7.5 m.
Is ASTIR THUBAN on the Master's Mate Safety Initiative Network?
Not yet. If ASTIR THUBAN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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