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.
Passenger
WILLEM JACOB
MMSI 244660712 · Call sign PE8557
Not yet on Master's MateType
Passenger
Flag
NLDLength
27 m
Beam
6 m
Draft
1 m
Call sign
PE8557
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
A Dutch passenger vessel, WILLEM JACOB measures 27 metres. WILLEM JACOB has a beam of 6 m and a 1 m draft. On AIS she appears as MMSI 244660712, call sign PE8557. WILLEM JACOB is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard WILLEM JACOB safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 21:42 UTC
Position
53.4092° N, 6.2010° E
Speed
0.0 kn
Course
360°
Destination
GRONINGEN
Sailing 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 WILLEM JACOB on the map. It hands you the full bridge:
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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.
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.
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.
Claim WILLEM JACOB and switch it all on
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About WILLEM JACOB
What kind of vessel is WILLEM JACOB?
WILLEM JACOB is a Passenger flagged to Netherlands.
Where was WILLEM JACOB last seen?
WILLEM JACOB was last reported in the North Sea in Jun 2026 on public AIS.
What is WILLEM JACOB's MMSI?
WILLEM JACOB's MMSI is 244660712. Call sign PE8557.
How big is WILLEM JACOB?
WILLEM JACOB is about 27 m long, 6 m on the beam, drawing 1 m.
Is WILLEM JACOB on the Master's Mate Safety Initiative Network?
Not yet. If WILLEM JACOB is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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