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.
Tug
HERKULES
MMSI 261036130 · Call sign SPG4470
Not yet on Master's MateType
Tug
Flag
POLLength
29 m
Beam
13 m
Draft
5.4 m
Call sign
SPG4470
IMO
9805362
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
68
Registered in Poland, HERKULES is a 29-metre harbour tug. Below, she has 13 metres in the beam and a draft of 5.4 m. Her papers read MMSI 261036130, call sign SPG4470, IMO 9805362. HERKULES earns her keep on the water; the free Master's Mate Safety Initiative Network keeps a watching fleet and a distress mesh close at hand.
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Built for boats that work — like HERKULES.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
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Live AIS position · Jun 9, 2026 03:55 UTC
Position
54.3992° N, 18.6963° E
Status
Moored
Speed
0.0 kn
Course
133°
Destination
HARBOUR GDANSK
ETA
03-20 08:00 UTC
Working 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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Joining the Safety Initiative Network doesn't just put HERKULES 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 HERKULES and switch it all on
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About HERKULES
What kind of vessel is HERKULES?
HERKULES is a Tug flagged to Poland.
Where was HERKULES last seen?
HERKULES was last reported in the Baltic Sea in Jun 2026 on public AIS.
What is HERKULES's MMSI?
HERKULES's MMSI is 261036130. Call sign SPG4470. IMO 9805362.
How big is HERKULES?
HERKULES is about 29 m long, 13 m on the beam, drawing 5.4 m.
Is HERKULES on the Master's Mate Safety Initiative Network?
Not yet. If HERKULES is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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