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
EXCELSIOR
MMSI 205423000 · Call sign ONCD
Not yet on Master's MateType
Tanker
Flag
BELLength
277 m
Beam
44 m
Draft
10.3 m
Call sign
ONCD
IMO
9239616
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
87
EXCELSIOR, a Belgian tank ship, measures 277 metres on deck. EXCELSIOR has 44 metres in the beam and a 10.3-metre draft. She broadcasts as MMSI 205423000, call sign ONCD, IMO 9239616. Big or small, every hull benefits from the free Master's Mate Safety Initiative Network — EXCELSIOR included.
Free forever · No credit card · for commercial operators
Eyes on EXCELSIOR, 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 10:53 UTC
Position
53.6300° N, 8.1284° E
Status
Moored
Speed
0.0 kn
Course
232°
Destination
GERMANY FOR ORDERS
ETA
04-23 14:00 UTC
Transiting the North Sea? 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 commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put EXCELSIOR 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 EXCELSIOR and switch it all on
Free to join · nothing to install to start · cancel anytime
About EXCELSIOR
What kind of vessel is EXCELSIOR?
EXCELSIOR is a Tanker flagged to Belgium.
Where was EXCELSIOR last seen?
EXCELSIOR was last reported in the North Sea in Jun 2026 on public AIS.
What is EXCELSIOR's MMSI?
EXCELSIOR's MMSI is 205423000. Call sign ONCD. IMO 9239616.
How big is EXCELSIOR?
EXCELSIOR is about 277 m long, 44 m on the beam, drawing 10.3 m.
Is EXCELSIOR on the Master's Mate Safety Initiative Network?
Not yet. If EXCELSIOR is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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