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.
Passenger
POSEIDON
MMSI 244373144 · Call sign PG7312
Not yet on Master's MateType
Passenger
Flag
NLDLength
78 m
Beam
11 m
Draft
1.5 m
Call sign
PG7312
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
51
POSEIDON, a passenger craft flagged in the Netherlands, measures 78 metres on deck. Below, she has a 11-metre beam and a draft measuring 1.5 metres. Find her under MMSI 244373144, call sign PG7312. For a boat that carries people, POSEIDON can lean on the Master's Mate Safety Initiative Network — free distress alerting and a fleet that's paying attention.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard POSEIDON safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 07:35 UTC
Position
52.1658° N, 6.4167° E
Status
Under way (engine)
Speed
1.8 kn
Course
240°
Destination
ARNHEM
ETA
05-09 16:00 UTC
Sailing 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 passenger & charter operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put POSEIDON on the map. It hands you the full bridge:
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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.
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.
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 POSEIDON and switch it all on
Free to join · nothing to install to start · cancel anytime
About POSEIDON
What kind of vessel is POSEIDON?
POSEIDON is a Passenger flagged to Netherlands.
Where was POSEIDON last seen?
POSEIDON was last reported in the North Sea in Jun 2026 on public AIS.
What is POSEIDON's MMSI?
POSEIDON's MMSI is 244373144. Call sign PG7312.
How big is POSEIDON?
POSEIDON is about 78 m long, 11 m on the beam, drawing 1.5 m.
Is POSEIDON on the Master's Mate Safety Initiative Network?
Not yet. If POSEIDON 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.