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
OSAR
MMSI 244650827 · Call sign PD5831
Not yet on Master's MateType
Cargo
Flag
NLDLength
85 m
Beam
9 m
Draft
1 m
Call sign
PD5831
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
87
OSAR is a Dutch merchant vessel — 85 metres overall. She's built with a 9-metre beam and a 1 m draft. She's listed under MMSI 244650827, call sign PD5831. Big or small, every hull benefits from the free Master's Mate Safety Initiative Network — OSAR included.
Free forever · No credit card · for commercial operators
Eyes on OSAR, 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 11:39 UTC
Position
52.6432° N, 6.0847° E
Status
Moored
Speed
0.0 kn
Course
275°
Destination
PRINSES MARGRIETHAVE
ETA
05-08 11:27 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 OSAR 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 OSAR and switch it all on
Free to join · nothing to install to start · cancel anytime
About OSAR
What kind of vessel is OSAR?
OSAR is a Cargo flagged to Netherlands.
Where was OSAR last seen?
OSAR was last reported in the North Sea in Jun 2026 on public AIS.
What is OSAR's MMSI?
OSAR's MMSI is 244650827. Call sign PD5831.
How big is OSAR?
OSAR is about 85 m long, 9 m on the beam, drawing 1 m.
Is OSAR on the Master's Mate Safety Initiative Network?
Not yet. If OSAR is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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