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
CATHARINA
MMSI 244660571 · Call sign PB4788
Not yet on Master's MateType
Tanker
Flag
NLDLength
110 m
Beam
12 m
Draft
2.3 m
Call sign
PB4788
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
73
A Dutch tank vessel, CATHARINA measures 110 metres. Her hull carries a beam measuring 12 metres and a draft measuring 2.3 metres. On AIS she shows as MMSI 244660571, call sign PB4788. CATHARINA is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.
Free forever · No credit card · for commercial operators
Eyes on CATHARINA, 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 12:09 UTC
Position
49.4565° N, 8.4409° E
Status
Moored
Speed
0.0 kn
Course
157°
Destination
MANNHEIM BASF
ETA
06-06 17:14 UTC
Wherever CATHARINA roams, 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 CATHARINA 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 CATHARINA and switch it all on
Free to join · nothing to install to start · cancel anytime
About CATHARINA
What kind of vessel is CATHARINA?
CATHARINA is a Tanker flagged to Netherlands.
Where was CATHARINA last seen?
CATHARINA was last reported in around 52°N 5°E in Jun 2026 on public AIS.
What is CATHARINA's MMSI?
CATHARINA's MMSI is 244660571. Call sign PB4788.
How big is CATHARINA?
CATHARINA is about 110 m long, 12 m on the beam, drawing 2.3 m.
Is CATHARINA on the Master's Mate Safety Initiative Network?
Not yet. If CATHARINA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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