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.
Law Enforcement
SCS-21
MMSI 261009365 · Call sign SPA9488
Not yet on Master's MateType
Law Enforcement
Flag
POLLength
16 m
Beam
5 m
Call sign
SPA9488
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
41
SCS-21, a Polish boat, measures 16 metres on deck. SCS-21 has a beam of 5 m. Officially she's MMSI 261009365, call sign SPA9488. SCS-21 is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
Free forever · No credit card
Is SCS-21 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 3, 2026
Position
54.5026° N, 18.5928° E
Crossing the Baltic 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
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SCS-21 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 SCS-21 and switch it all on
Free to join · nothing to install to start · cancel anytime
About SCS-21
What kind of vessel is SCS-21?
SCS-21 is a Law Enforcement flagged to Poland.
Where was SCS-21 last seen?
SCS-21 was last reported in the Baltic Sea in Jun 2026 on public AIS.
What is SCS-21's MMSI?
SCS-21's MMSI is 261009365. Call sign SPA9488.
How big is SCS-21?
SCS-21 is about 16 m long, 5 m on the beam.
Is SCS-21 on the Master's Mate Safety Initiative Network?
Not yet. If SCS-21 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
© 2026 Master’s Mate. All rights reserved.