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
LEVIATHAN
MMSI 244170827 · Call sign PF8309
Not yet on Master's MateType
Pleasure Craft
Flag
NLDLength
21 m
Beam
5 m
Call sign
PF8309
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
LEVIATHAN, a recreational boat registered in the Netherlands, measures 21 metres on deck. She carries a beam measuring 5 metres. She's on record as MMSI 244170827, call sign PF8309. Whether she's at the dock or out for the weekend, LEVIATHAN is covered by the free Master's Mate Safety Initiative Network — alarms, weather, and a watching fleet.
Free forever · No credit card · for recreational captains
Keep LEVIATHAN 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 07:13 UTC
Position
53.2205° N, 6.5599° E
Status
Under way (engine)
Speed
0.0 kn
Course
360°
Destination
WORKUM
ETA
08-20 17:30 UTC
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.
Free with your claim · for recreational captains
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put LEVIATHAN 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 LEVIATHAN and switch it all on
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About LEVIATHAN
What kind of vessel is LEVIATHAN?
LEVIATHAN is a Pleasure Craft flagged to Netherlands.
Where was LEVIATHAN last seen?
LEVIATHAN was last reported in the North Sea in Jun 2026 on public AIS.
What is LEVIATHAN's MMSI?
LEVIATHAN's MMSI is 244170827. Call sign PF8309.
How big is LEVIATHAN?
LEVIATHAN is about 21 m long, 5 m on the beam.
Is LEVIATHAN on the Master's Mate Safety Initiative Network?
Not yet. If LEVIATHAN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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