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.
Military
U36
MMSI 211931000 · Call sign DRDF
Not yet on Master's MateType
Military
Flag
DEULength
58 m
Beam
8 m
Draft
6.3 m
Call sign
DRDF
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
21
U36, a vessel on the Germany registry, measures 58 metres on deck. She carries a 8 m beam and a 6.3 m draft. Her registration reads MMSI 211931000, call sign DRDF. The Master's Mate Safety Initiative Network welcomes U36 — free to join, cruiser-run, and always on watch.
Free forever · No credit card
Is U36 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
54.3700° N, 10.1129° 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.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put U36 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 U36 and switch it all on
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About U36
What kind of vessel is U36?
U36 is a Military flagged to Germany.
Where was U36 last seen?
U36 was last reported in the Baltic Sea in Jun 2026 on public AIS.
What is U36's MMSI?
U36's MMSI is 211931000. Call sign DRDF.
How big is U36?
U36 is about 58 m long, 8 m on the beam, drawing 6.3 m.
Is U36 on the Master's Mate Safety Initiative Network?
Not yet. If U36 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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