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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

H-7

MMSI 261462000 · Call sign SOWY

Not yet on Master's Mate
Type
Military
Flag
POLPOL
Length
26 m
Beam
7 m
Draft
3.6 m
Call sign
SOWY
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
21

Out of Poland, H-7 is a 26-metre craft. Her hull carries 7 metres in the beam and a draft measuring 3.6 metres. On AIS she appears as MMSI 261462000, call sign SOWY. H-7 is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.

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Last known position · Jun 3, 2026
Position
54.5410° N, 18.5517° E
Crossing the Baltic Sea? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put H-7 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.
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About H-7

What kind of vessel is H-7?
H-7 is a Military flagged to Poland.
Where was H-7 last seen?
H-7 was last reported in the Baltic Sea in Jun 2026 on public AIS.
What is H-7's MMSI?
H-7's MMSI is 261462000. Call sign SOWY.
How big is H-7?
H-7 is about 26 m long, 7 m on the beam, drawing 3.6 m.
Is H-7 on the Master's Mate Safety Initiative Network?
Not yet. If H-7 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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