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.
Cargo
JOHANNA
MMSI 244670320 · Call sign PI3924
Not yet on Master's MateType
Cargo
Flag
NLDLength
187 m
Beam
12 m
Draft
2 m
Call sign
PI3924
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
JOHANNA flies the Dutch flag — an 187-metre freighter. She has a beam measuring 12 metres and a draft of 2 m. She broadcasts as MMSI 244670320, call sign PI3924. There's a place for JOHANNA on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
Free forever · No credit card · for commercial operators
Eyes on JOHANNA, 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 15:15 UTC
Position
51.8470° N, 6.1373° E
Status
Under way (engine)
Speed
5.8 kn
Course
103°
Destination
GERMERSHEIM
ETA
07-29 03:00 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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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put JOHANNA 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 JOHANNA and switch it all on
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About JOHANNA
What kind of vessel is JOHANNA?
JOHANNA is a Cargo flagged to Netherlands.
Where was JOHANNA last seen?
JOHANNA was last reported in the North Sea in Jun 2026 on public AIS.
What is JOHANNA's MMSI?
JOHANNA's MMSI is 244670320. Call sign PI3924.
How big is JOHANNA?
JOHANNA is about 187 m long, 12 m on the beam, drawing 2 m.
Is JOHANNA on the Master's Mate Safety Initiative Network?
Not yet. If JOHANNA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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