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
TWIN CASTOR
Tanker · last seen 6°N 107°E · Jun 2026 · MMSI 636016137 · Call sign D5EQ7
Not yet on Master's MateType
Tanker
Length
332 m
Beam
60 m
Draft
20.9 m
Call sign
D5EQ7
IMO
9625956
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
12
TWIN CASTOR is a 332-metre tank ship. Her hull carries a 60-metre beam and a draft of 20.9 m. She broadcasts as MMSI 636016137, call sign D5EQ7, IMO 9625956. There's a place for TWIN CASTOR on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
Free forever · No credit card · for commercial operators
Eyes on TWIN CASTOR, 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 15, 2026 23:01 UTC
Position
5.6744° N, 107.3381° E
Status
Under way (engine)
Speed
11.3 kn
Course
43°
Destination
KR TSN
ETA
06-23 00:01 UTC
Transiting 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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Joining the Safety Initiative Network doesn't just put TWIN CASTOR 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 TWIN CASTOR and switch it all on
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About TWIN CASTOR
What kind of vessel is TWIN CASTOR?
TWIN CASTOR is a Tanker.
Where was TWIN CASTOR last seen?
TWIN CASTOR was last reported in the South China Sea in Jun 2026 on public AIS.
What is TWIN CASTOR's MMSI?
TWIN CASTOR's MMSI is 636016137. Call sign D5EQ7. IMO 9625956.
How big is TWIN CASTOR?
TWIN CASTOR is about 332 m long, 60 m on the beam, drawing 20.9 m.
Is TWIN CASTOR on the Master's Mate Safety Initiative Network?
Not yet. If TWIN CASTOR is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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