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.
Towing
H-591
MMSI 352006336 · Call sign 3EA4157
Not yet on Master's MateType
Towing
Flag
PANLength
180 m
Beam
46 m
Call sign
3EA4157
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
Registered in Panama, H-591 is an 180-metre utility boat. H-591 has a beam of 46 m. Find her under MMSI 352006336, call sign 3EA4157. Put H-591 on the free Master's Mate Safety Initiative Network and keep the working fleet looking out for each other.
Free forever · No credit card · for working boats
Built for boats that work — like H-591.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 03:56 UTC
Position
51.4457° N, 3.7129° E
Speed
0.0 kn
Course
360°
Working 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 working boats
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put H-591 on the map. It hands you the full bridge:
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
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.
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 H-591 and switch it all on
Free to join · nothing to install to start · cancel anytime
About H-591
What kind of vessel is H-591?
H-591 is a Towing flagged to Panama.
Where was H-591 last seen?
H-591 was last reported in the North Sea in Jun 2026 on public AIS.
What is H-591's MMSI?
H-591's MMSI is 352006336. Call sign 3EA4157.
How big is H-591?
H-591 is about 180 m long, 46 m on the beam.
Is H-591 on the Master's Mate Safety Initiative Network?
Not yet. If H-591 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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