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
SIMSON
MMSI 245688000 · Call sign PBBO
Not yet on Master's MateType
Dredging
Flag
NLDLength
68 m
Beam
23 m
Draft
2.8 m
Call sign
PBBO
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
SIMSON is a Dutch workboat, 68 metres in length. She carries a beam of 23 m and a 2.8 m draft. Her papers read MMSI 245688000, call sign PBBO. Give SIMSON the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
Free forever · No credit card · for working boats
Built for boats that work — like SIMSON.
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 9, 2026 07:41 UTC
Position
51.6888° N, 4.5938° E
Status
Moored
Speed
0.0 kn
Course
217°
Destination
DREDGING
ETA
01-01 10:00 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 SIMSON 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 SIMSON and switch it all on
Free to join · nothing to install to start · cancel anytime
About SIMSON
What kind of vessel is SIMSON?
SIMSON is a Dredging flagged to Netherlands.
Where was SIMSON last seen?
SIMSON was last reported in the North Sea in Jun 2026 on public AIS.
What is SIMSON's MMSI?
SIMSON's MMSI is 245688000. Call sign PBBO.
How big is SIMSON?
SIMSON is about 68 m long, 23 m on the beam, drawing 2.8 m.
Is SIMSON on the Master's Mate Safety Initiative Network?
Not yet. If SIMSON 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.