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
DEE4 KASTANIA
MMSI 636021583 · Call sign 5LER3
Not yet on Master's MateType
Tanker
Flag
LBRLength
183 m
Beam
32 m
Draft
12.6 m
Call sign
5LER3
IMO
9933638
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
DEE4 KASTANIA flies the Liberian flag — an 183-metre tank ship. DEE4 KASTANIA has a 32 m beam and a 12.6-metre draft. She's on record as MMSI 636021583, call sign 5LER3, IMO 9933638. DEE4 KASTANIA is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
Free forever · No credit card · for commercial operators
Eyes on DEE4 KASTANIA, 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 9, 2026 19:57 UTC
Position
54.4547° N, 11.6383° E
Status
Constrained by draught
Speed
11.8 kn
Course
114°
Destination
PALDISKI
ETA
06-08 09:00 UTC
Transiting the Baltic 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 DEE4 KASTANIA 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 DEE4 KASTANIA and switch it all on
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About DEE4 KASTANIA
What kind of vessel is DEE4 KASTANIA?
DEE4 KASTANIA is a Tanker flagged to Liberia.
Where was DEE4 KASTANIA last seen?
DEE4 KASTANIA was last reported in the Baltic Sea in Jun 2026 on public AIS.
What is DEE4 KASTANIA's MMSI?
DEE4 KASTANIA's MMSI is 636021583. Call sign 5LER3. IMO 9933638.
How big is DEE4 KASTANIA?
DEE4 KASTANIA is about 183 m long, 32 m on the beam, drawing 12.6 m.
Is DEE4 KASTANIA on the Master's Mate Safety Initiative Network?
Not yet. If DEE4 KASTANIA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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