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
KP21
MMSI 244030119 · Call sign PB2451
Not yet on Master's MateType
Cargo
Flag
NLDLength
11 m
Beam
4 m
Draft
2 m
Call sign
PB2451
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
84
Registered in the Netherlands, KP21 is an 11-metre cargo vessel. She's built with a 4 m beam and a 2-metre draft. On AIS she appears as MMSI 244030119, call sign PB2451. KP21 can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.
Free forever · No credit card · for commercial operators
Eyes on KP21, 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 14:50 UTC
Position
52.4034° N, 4.7832° E
Status
Under way (engine)
Speed
7.5 kn
Course
90°
Destination
AMSTERDAM
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 KP21 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 KP21 and switch it all on
Free to join · nothing to install to start · cancel anytime
About KP21
What kind of vessel is KP21?
KP21 is a Cargo flagged to Netherlands.
Where was KP21 last seen?
KP21 was last reported in the North Sea in Jun 2026 on public AIS.
What is KP21's MMSI?
KP21's MMSI is 244030119. Call sign PB2451.
How big is KP21?
KP21 is about 11 m long, 4 m on the beam, drawing 2 m.
Is KP21 on the Master's Mate Safety Initiative Network?
Not yet. If KP21 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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