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.
Pleasure Craft
JOHANNA
MMSI 244036339 · Call sign PF5462
Not yet on Master's MateType
Pleasure Craft
Flag
NLDLength
24 m
Beam
16 m
Call sign
PF5462
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
JOHANNA, a Dutch private cruiser, measures 24 metres on deck. She has a beam measuring 16 metres. On AIS she shows as MMSI 244036339, call sign PF5462. Add JOHANNA 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 recreational captains
Keep JOHANNA looked after — even when you’re not aboard.
Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.
Look after her — claim free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 14:09 UTC
Position
52.4029° N, 4.6768° E
Status
Moored
Speed
0.0 kn
Course
360°
Destination
SPAARNDAM
Cruising 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 JOHANNA on the map. It hands you the full bridge:
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.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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 Pleasure Craft 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 244036339. Call sign PF5462.
How big is JOHANNA?
JOHANNA is about 24 m long, 16 m on the beam.
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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