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
DE TIAN
MMSI 413298790 · Call sign BOTU9
Not yet on Master's MateType
Tug
Flag
CHNLength
90 m
Beam
17 m
Draft
6 m
Call sign
BOTU9
IMO
9350575
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
13
DE TIAN, a working tug on the China registry, measures 90 metres on deck. DE TIAN has a 17 m beam and a 6-metre draft. Her papers read MMSI 413298790, call sign BOTU9, IMO 9350575. Bring DE TIAN aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Free forever · No credit card · for working boats
Built for boats that work — like DE TIAN.
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
Last known position · Jun 4, 2026
Position
36.3918° N, 6.6562° W
Wherever DE TIAN roams, 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 working boats
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put DE TIAN 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 DE TIAN and switch it all on
Free to join · nothing to install to start · cancel anytime
About DE TIAN
What kind of vessel is DE TIAN?
DE TIAN is a Tug flagged to China.
Where was DE TIAN last seen?
DE TIAN was last reported in around 36°N 7°W in Jun 2026 on public AIS.
What is DE TIAN's MMSI?
DE TIAN's MMSI is 413298790. Call sign BOTU9. IMO 9350575.
How big is DE TIAN?
DE TIAN is about 90 m long, 17 m on the beam, drawing 6 m.
Is DE TIAN on the Master's Mate Safety Initiative Network?
Not yet. If DE TIAN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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