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
BARTJE 4
MMSI 244700682 · Call sign PG8616
Not yet on Master's MateType
Tanker
Flag
NLDLength
25 m
Beam
5 m
Draft
2.1 m
Call sign
PG8616
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
BARTJE 4 flies the Dutch flag — a 25-metre tanker. She's built with a beam of 5 m and a 2.1 m draft. She broadcasts as MMSI 244700682, call sign PG8616. Sign BARTJE 4 up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
Free forever · No credit card · for commercial operators
Eyes on BARTJE 4, 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
Live AIS position · Jun 9, 2026 11:47 UTC
Position
52.3977° N, 4.8820° E
Status
Under way (engine)
Speed
0.0 kn
Course
301°
Destination
DE KLANT
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 BARTJE 4 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 BARTJE 4 and switch it all on
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About BARTJE 4
What kind of vessel is BARTJE 4?
BARTJE 4 is a Tanker flagged to Netherlands.
Where was BARTJE 4 last seen?
BARTJE 4 was last reported in the North Sea in Jun 2026 on public AIS.
What is BARTJE 4's MMSI?
BARTJE 4's MMSI is 244700682. Call sign PG8616.
How big is BARTJE 4?
BARTJE 4 is about 25 m long, 5 m on the beam, drawing 2.1 m.
Is BARTJE 4 on the Master's Mate Safety Initiative Network?
Not yet. If BARTJE 4 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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