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.
Tanker
JOWI
MMSI 244620628 · Call sign PE9533
Not yet on Master's MateType
Tanker
Flag
NLDLength
135 m
Beam
16 m
Draft
2 m
Call sign
PE9533
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
60
On the Dutch registry, JOWI is a 135-metre tanker. She has a 16 m beam and a draft of 2 m. On the registers she's MMSI 244620628, call sign PE9533. Claim JOWI free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
Free forever · No credit card · for commercial operators
Eyes on JOWI, 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
Last known position · Jun 4, 2026
Position
51.3247° N, 4.3291° E
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 JOWI 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 JOWI and switch it all on
Free to join · nothing to install to start · cancel anytime
About JOWI
What kind of vessel is JOWI?
JOWI is a Tanker flagged to Netherlands.
Where was JOWI last seen?
JOWI was last reported in the North Sea in Jun 2026 on public AIS.
What is JOWI's MMSI?
JOWI's MMSI is 244620628. Call sign PE9533.
How big is JOWI?
JOWI is about 135 m long, 16 m on the beam, drawing 2 m.
Is JOWI on the Master's Mate Safety Initiative Network?
Not yet. If JOWI is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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