Sign up free Dashboard Log out
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

ONDERNEMING 4

Dredging · last seen 52°N 5°E · Jun 2026 · MMSI 244700676 · Call sign PI3513

Not yet on Master's Mate
Type
Dredging
Length
21 m
Beam
5 m
Call sign
PI3513
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
9

ONDERNEMING 4 is an utility boat, 21 metres from stem to stern. She carries 5 metres in the beam. She's listed under MMSI 244700676, call sign PI3513. ONDERNEMING 4 can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.

Free forever · No credit card · for working boats

Built for boats that work — like ONDERNEMING 4.

Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.

Rig her out — free →

Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers

Live AIS position · Jun 15, 2026 17:53 UTC
Position
52.1730° N, 4.6370° E
Status
Moored
Speed
0.0 kn
Course
360°
Destination
WARMOND@@@RIJN
ETA
03-00 00:00 UTC
Working 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 working boats

The most powerful cruising platform ever built — yours, free.

Joining the Safety Initiative Network doesn't just put ONDERNEMING 4 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 ONDERNEMING 4 and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About ONDERNEMING 4

What kind of vessel is ONDERNEMING 4?
ONDERNEMING 4 is a Dredging.
Where was ONDERNEMING 4 last seen?
ONDERNEMING 4 was last reported in the North Sea in Jun 2026 on public AIS.
What is ONDERNEMING 4's MMSI?
ONDERNEMING 4's MMSI is 244700676. Call sign PI3513.
How big is ONDERNEMING 4?
ONDERNEMING 4 is about 21 m long, 5 m on the beam.
Is ONDERNEMING 4 on the Master's Mate Safety Initiative Network?
Not yet. If ONDERNEMING 4 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

© 2026 Master’s Mate. All rights reserved.