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.
Vessel
WATERPIEPER
MMSI 244810215 · Call sign PF4546
Not yet on Master's MateFlag
NLDLength
14 m
Beam
4 m
Draft
1.2 m
Call sign
PF4546
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
45
WATERPIEPER, a boat under Dutch registration, measures 14 metres on deck. Below, she has a 4-metre beam and a draft measuring 1.2 metres. She broadcasts as MMSI 244810215, call sign PF4546. WATERPIEPER is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
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Is WATERPIEPER 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
Last known position · Jun 4, 2026
Position
53.0022° N, 5.6527° E
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.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put WATERPIEPER 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 WATERPIEPER and switch it all on
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About WATERPIEPER
What kind of vessel is WATERPIEPER?
WATERPIEPER is a vessel flagged to Netherlands.
Where was WATERPIEPER last seen?
WATERPIEPER was last reported in the North Sea in Jun 2026 on public AIS.
What is WATERPIEPER's MMSI?
WATERPIEPER's MMSI is 244810215. Call sign PF4546.
How big is WATERPIEPER?
WATERPIEPER is about 14 m long, 4 m on the beam, drawing 1.2 m.
Is WATERPIEPER on the Master's Mate Safety Initiative Network?
Not yet. If WATERPIEPER is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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