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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.
Cargo
JOHANN
MMSI 255917229 · Call sign CQ2858
Not yet on Master's MateType
Cargo
Flag
PRTLength
115 m
Beam
15 m
Draft
3.6 m
Call sign
CQ2858
IMO
9534298
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
31
JOHANN is a Portuguese cargo vessel, 115 metres overall. She carries a beam measuring 15 metres and a 3.6-metre draft. Officially she's MMSI 255917229, call sign CQ2858, IMO 9534298. Add JOHANN to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
Free forever · No credit card · for commercial operators
Eyes on JOHANN, 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 14:28 UTC
Position
52.9810° N, 4.0713° E
Status
Under way (engine)
Speed
9.3 kn
Course
230°
Destination
NLVLI
ETA
06-10 01:00 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.
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Joining the Safety Initiative Network doesn't just put JOHANN 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 JOHANN and switch it all on
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About JOHANN
What kind of vessel is JOHANN?
JOHANN is a Cargo flagged to Portugal.
Where was JOHANN last seen?
JOHANN was last reported in the North Sea in Jun 2026 on public AIS.
What is JOHANN's MMSI?
JOHANN's MMSI is 255917229. Call sign CQ2858. IMO 9534298.
How big is JOHANN?
JOHANN is about 115 m long, 15 m on the beam, drawing 3.6 m.
Is JOHANN on the Master's Mate Safety Initiative Network?
Not yet. If JOHANN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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