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.
Wing-in-ground
LEENDERT SR
MMSI 244650451 · Call sign PB3560
Not yet on Master's MateType
Wing-in-ground
Flag
NLDLength
186 m
Beam
12 m
Draft
2.8 m
Call sign
PB3560
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
63
Out of the Netherlands, LEENDERT SR is an 186-metre boat. She has a beam measuring 12 metres and a draft of 2.8 m. Her registration reads MMSI 244650451, call sign PB3560. LEENDERT SR belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
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Last known position · Jun 3, 2026
Position
51.8234° N, 6.2598° E
Crossing the North Sea? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put LEENDERT SR 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.
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About LEENDERT SR
What kind of vessel is LEENDERT SR?
LEENDERT SR is a Wing-in-ground flagged to Netherlands.
Where was LEENDERT SR last seen?
LEENDERT SR was last reported in the North Sea in Jun 2026 on public AIS.
What is LEENDERT SR's MMSI?
LEENDERT SR's MMSI is 244650451. Call sign PB3560.
How big is LEENDERT SR?
LEENDERT SR is about 186 m long, 12 m on the beam, drawing 2.8 m.
Is LEENDERT SR on the Master's Mate Safety Initiative Network?
Not yet. If LEENDERT SR is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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