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.
Passenger
OP STROOM
MMSI 205428390 · Call sign OT4283
Not yet on Master's MateType
Passenger
Flag
BELLength
30 m
Beam
9 m
Draft
2 m
Call sign
OT4283
IMO
9940112
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
OP STROOM, a passenger ferry sailing under the Belgian flag, measures 30 metres on deck. Her hull carries a beam of 9 m and a draft of 2 m. She's listed under MMSI 205428390, call sign OT4283, IMO 9940112. OP STROOM can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard OP STROOM safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 20:07 UTC
Position
51.2225° N, 4.3961° E
Status
Under way (engine)
Speed
0.0 kn
Course
107°
Destination
VEERDIENST ST ANNA
ETA
12-31 23:00 UTC
Sailing 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 passenger & charter operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put OP STROOM on the map. It hands you the full bridge:
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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.
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.
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 OP STROOM and switch it all on
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About OP STROOM
What kind of vessel is OP STROOM?
OP STROOM is a Passenger flagged to Belgium.
Where was OP STROOM last seen?
OP STROOM was last reported in the North Sea in Jun 2026 on public AIS.
What is OP STROOM's MMSI?
OP STROOM's MMSI is 205428390. Call sign OT4283. IMO 9940112.
How big is OP STROOM?
OP STROOM is about 30 m long, 9 m on the beam, drawing 2 m.
Is OP STROOM on the Master's Mate Safety Initiative Network?
Not yet. If OP STROOM is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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