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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.
Tug

SUBTECH 41

Tug · last seen 30°S 31°E · Jun 2026 · MMSI 352784000 · Call sign HP8512

Not yet on Master's Mate
Type
Tug
Length
25 m
Beam
9 m
Draft
2.4 m
Call sign
HP8512
IMO
9696486
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
4

SUBTECH 41 is a 25-metre tug. She has a beam measuring 9 metres and a draft measuring 2.4 metres. She broadcasts as MMSI 352784000, call sign HP8512, IMO 9696486. Give SUBTECH 41 the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.

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Built for boats that work — like SUBTECH 41.

Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.

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Live AIS position · Jun 16, 2026 12:16 UTC
Position
29.8897° S, 31.0072° E
Status
Moored
Speed
0.0 kn
Course
282°
Destination
DURBAN
ETA
05-17 14:30 UTC
Wherever SUBTECH 41 roams, you're never out there alone.
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Joining the Safety Initiative Network doesn't just put SUBTECH 41 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.
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About SUBTECH 41

What kind of vessel is SUBTECH 41?
SUBTECH 41 is a Tug.
Where was SUBTECH 41 last seen?
SUBTECH 41 was last reported in around 30°S 31°E in Jun 2026 on public AIS.
What is SUBTECH 41's MMSI?
SUBTECH 41's MMSI is 352784000. Call sign HP8512. IMO 9696486.
How big is SUBTECH 41?
SUBTECH 41 is about 25 m long, 9 m on the beam, drawing 2.4 m.
Is SUBTECH 41 on the Master's Mate Safety Initiative Network?
Not yet. If SUBTECH 41 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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