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.
Towing
MEDUSA-F
MMSI 244184072 · Call sign PI5904
Not yet on Master's MateType
Towing
Flag
NLDLength
21 m
Beam
5 m
Draft
0.2 m
Call sign
PI5904
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
A Dutch workboat, MEDUSA-F measures 21 metres. She carries a beam measuring 5 metres and a 0.2 m draft. She's listed under MMSI 244184072, call sign PI5904. MEDUSA-F is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
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Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
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Live AIS position · Jun 9, 2026 23:06 UTC
Position
51.5317° N, 4.2241° E
Status
Moored
Speed
0.0 kn
Course
0°
Destination
THOLEN@@@@@@@@@B
ETA
09-05 13:17 UTC
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Joining the Safety Initiative Network doesn't just put MEDUSA-F on the map. It hands you the full bridge:
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.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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.
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About MEDUSA-F
What kind of vessel is MEDUSA-F?
MEDUSA-F is a Towing flagged to Netherlands.
Where was MEDUSA-F last seen?
MEDUSA-F was last reported in the North Sea in Jun 2026 on public AIS.
What is MEDUSA-F's MMSI?
MEDUSA-F's MMSI is 244184072. Call sign PI5904.
How big is MEDUSA-F?
MEDUSA-F is about 21 m long, 5 m on the beam, drawing 0.2 m.
Is MEDUSA-F on the Master's Mate Safety Initiative Network?
Not yet. If MEDUSA-F is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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