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
MARPOL 18
MMSI 244650746 · Call sign PB4177
Not yet on Master's MateType
Tanker
Flag
NLDLength
35 m
Beam
7 m
Call sign
PB4177
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
MARPOL 18 flies the Dutch flag — a 35-metre tank ship. She's built with a beam of 7 m. Officially she's MMSI 244650746, call sign PB4177. Give MARPOL 18 the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
Free forever · No credit card · for commercial operators
Eyes on MARPOL 18, 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 14:12 UTC
Position
52.4158° N, 4.8124° E
Status
Moored
Speed
0.0 kn
Course
187°
ETA
03-28 11:38 UTC
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.
Free with your claim · for commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put MARPOL 18 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 MARPOL 18 and switch it all on
Free to join · nothing to install to start · cancel anytime
About MARPOL 18
What kind of vessel is MARPOL 18?
MARPOL 18 is a Tanker flagged to Netherlands.
Where was MARPOL 18 last seen?
MARPOL 18 was last reported in the North Sea in Jun 2026 on public AIS.
What is MARPOL 18's MMSI?
MARPOL 18's MMSI is 244650746. Call sign PB4177.
How big is MARPOL 18?
MARPOL 18 is about 35 m long, 7 m on the beam.
Is MARPOL 18 on the Master's Mate Safety Initiative Network?
Not yet. If MARPOL 18 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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