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.
Fishing
RK37
MMSI 207424000 · Call sign LZUV
Not yet on Master's MateType
Fishing
Flag
BGRLength
25 m
Beam
7 m
Call sign
LZUV
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
35
Hailing from Bulgaria, RK37 is a 25-metre working fishing vessel. She has a 7-metre beam. On the registers she's MMSI 207424000, call sign LZUV. RK37 is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.
Free forever · No credit card · for working captains
Know where the fleet is. Get RK37 home safe.
Live AIS traffic, weather you can plan around, engine & systems telemetry, and a distress mesh that reaches nearby boats.
Keep the fleet in sight — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 03:53 UTC
Position
42.4435° N, 27.7583° E
Status
Under way (engine)
Speed
7.1 kn
Course
80°
Fishing the Black 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 working captains
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put RK37 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.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
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.
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.
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 RK37 and switch it all on
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About RK37
What kind of vessel is RK37?
RK37 is a Fishing flagged to Bulgaria.
Where was RK37 last seen?
RK37 was last reported in the Black Sea in Jun 2026 on public AIS.
What is RK37's MMSI?
RK37's MMSI is 207424000. Call sign LZUV.
How big is RK37?
RK37 is about 25 m long, 7 m on the beam.
Is RK37 on the Master's Mate Safety Initiative Network?
Not yet. If RK37 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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