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.
Other
NEPTUNUS 9
MMSI 244860472 · Call sign PF5988
Not yet on Master's MateType
Other
Flag
NLDLength
16 m
Beam
5 m
Call sign
PF5988
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
Registered in the Netherlands, NEPTUNUS 9 is a 16-metre vessel. NEPTUNUS 9 has 5 metres in the beam. She broadcasts as MMSI 244860472, call sign PF5988. NEPTUNUS 9 belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
Free forever · No credit card
Is NEPTUNUS 9 your boat?
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 20:57 UTC
Position
51.8799° N, 4.2738° E
Status
Under way (engine)
Speed
0.0 kn
Course
360°
Destination
HAVENWERK
Crossing 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
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put NEPTUNUS 9 on the map. It hands you the full bridge:
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.
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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
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.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim NEPTUNUS 9 and switch it all on
Free to join · nothing to install to start · cancel anytime
About NEPTUNUS 9
What kind of vessel is NEPTUNUS 9?
NEPTUNUS 9 is a Other flagged to Netherlands.
Where was NEPTUNUS 9 last seen?
NEPTUNUS 9 was last reported in the North Sea in Jun 2026 on public AIS.
What is NEPTUNUS 9's MMSI?
NEPTUNUS 9's MMSI is 244860472. Call sign PF5988.
How big is NEPTUNUS 9?
NEPTUNUS 9 is about 16 m long, 5 m on the beam.
Is NEPTUNUS 9 on the Master's Mate Safety Initiative Network?
Not yet. If NEPTUNUS 9 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.