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
LONGSTONE
MMSI 246091000 · Call sign PDRG
Not yet on Master's MateType
Cargo
Flag
NLDLength
209 m
Beam
26 m
Draft
6.8 m
Call sign
PDRG
IMO
9848479
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
LONGSTONE is a Dutch merchant vessel — 209 metres overall. She's built with a 26 m beam and a 6.8 m draft. Officially she's MMSI 246091000, call sign PDRG, IMO 9848479. Give LONGSTONE 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 LONGSTONE, 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 09:00 UTC
Position
51.4515° N, 0.3827° E
Status
Moored
Speed
0.1 kn
Course
359°
Destination
BEZEE <--> GBTIL
ETA
06-09 05:00 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 LONGSTONE 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 LONGSTONE and switch it all on
Free to join · nothing to install to start · cancel anytime
About LONGSTONE
What kind of vessel is LONGSTONE?
LONGSTONE is a Cargo flagged to Netherlands.
Where was LONGSTONE last seen?
LONGSTONE was last reported in the North Sea in Jun 2026 on public AIS.
What is LONGSTONE's MMSI?
LONGSTONE's MMSI is 246091000. Call sign PDRG. IMO 9848479.
How big is LONGSTONE?
LONGSTONE is about 209 m long, 26 m on the beam, drawing 6.8 m.
Is LONGSTONE on the Master's Mate Safety Initiative Network?
Not yet. If LONGSTONE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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