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.
Cargo
GRETINA
MMSI 244717145 · Call sign PB3855
Not yet on Master's MateType
Cargo
Flag
NLDLength
85 m
Beam
12 m
Draft
2 m
Call sign
PB3855
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
83
On the Dutch registry, GRETINA is an 85-metre cargo ship. She's built with a beam measuring 12 metres and a 2 m draft. On AIS she shows as MMSI 244717145, call sign PB3855. Join GRETINA to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
Free forever · No credit card · for commercial operators
Eyes on GRETINA, 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 16:54 UTC
Position
52.7622° N, 5.4596° E
Status
Under way (engine)
Speed
7.7 kn
Course
243°
Destination
AMSTERDAM
ETA
05-10 16:34 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 GRETINA 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 GRETINA and switch it all on
Free to join · nothing to install to start · cancel anytime
About GRETINA
What kind of vessel is GRETINA?
GRETINA is a Cargo flagged to Netherlands.
Where was GRETINA last seen?
GRETINA was last reported in the North Sea in Jun 2026 on public AIS.
What is GRETINA's MMSI?
GRETINA's MMSI is 244717145. Call sign PB3855.
How big is GRETINA?
GRETINA is about 85 m long, 12 m on the beam, drawing 2 m.
Is GRETINA on the Master's Mate Safety Initiative Network?
Not yet. If GRETINA 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.