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.
Dredging
GRIETJE W
MMSI 244810697 · Call sign PF7365
Not yet on Master's MateType
Dredging
Flag
NLDLength
38 m
Beam
6 m
Draft
1.4 m
Call sign
PF7365
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
Registered in the Netherlands, GRIETJE W is a 38-metre work boat. Below, she has 6 metres in the beam and a draft measuring 1.4 metres. Her papers read MMSI 244810697, call sign PF7365. GRIETJE W can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.
Free forever · No credit card · for working boats
Built for boats that work — like GRIETJE W.
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 22:07 UTC
Position
51.6947° N, 4.4205° E
Status
Under way (engine)
Speed
0.0 kn
Course
360°
Destination
HARINGVLIETBRUG
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Joining the Safety Initiative Network doesn't just put GRIETJE W 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.
Claim GRIETJE W and switch it all on
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About GRIETJE W
What kind of vessel is GRIETJE W?
GRIETJE W is a Dredging flagged to Netherlands.
Where was GRIETJE W last seen?
GRIETJE W was last reported in the North Sea in Jun 2026 on public AIS.
What is GRIETJE W's MMSI?
GRIETJE W's MMSI is 244810697. Call sign PF7365.
How big is GRIETJE W?
GRIETJE W is about 38 m long, 6 m on the beam, drawing 1.4 m.
Is GRIETJE W on the Master's Mate Safety Initiative Network?
Not yet. If GRIETJE W is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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