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
MAIDEN CASTLE
MMSI 235075439 · Call sign 2CSR5
Not yet on Master's MateType
Tug
Flag
GBRDraft
4.2 m
Call sign
2CSR5
IMO
9054353
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
MAIDEN CASTLE flies the British flag — a tug. She has a draft measuring 4.2 metres. She broadcasts as MMSI 235075439, call sign 2CSR5, IMO 9054353. Sign MAIDEN CASTLE up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
Free forever · No credit card · for working boats
Built for boats that work — like MAIDEN CASTLE.
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
Live AIS position · Jun 9, 2026 12:45 UTC
Position
50.5695° N, 2.4369° W
Status
Moored
Speed
0.0 kn
Course
35°
Destination
PORTLAND
ETA
08-29 17:00 UTC
Working the English Channel? 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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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put MAIDEN CASTLE 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 MAIDEN CASTLE and switch it all on
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About MAIDEN CASTLE
What kind of vessel is MAIDEN CASTLE?
MAIDEN CASTLE is a Tug flagged to United Kingdom.
Where was MAIDEN CASTLE last seen?
MAIDEN CASTLE was last reported in the English Channel in Jun 2026 on public AIS.
What is MAIDEN CASTLE's MMSI?
MAIDEN CASTLE's MMSI is 235075439. Call sign 2CSR5. IMO 9054353.
Is MAIDEN CASTLE on the Master's Mate Safety Initiative Network?
Not yet. If MAIDEN CASTLE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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