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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.
Cargo

HERO SD

MMSI 620800443 · Call sign D6A4443

Not yet on Master's Mate
Type
Cargo
Flag
COMCOM
Length
150 m
Beam
20 m
Draft
10 m
Call sign
D6A4443
IMO
9113886
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
17

Registered in Comoros, HERO SD is a 150-metre cargo ship. She carries a beam measuring 20 metres and a 10 m draft. She's listed under MMSI 620800443, call sign D6A4443, IMO 9113886. Put HERO SD on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.

Free forever · No credit card · for commercial operators

Eyes on HERO SD, around the clock.

Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.

Put her on the dashboard — free →

Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers

Last known position · Jun 2, 2026
Position
28.7942° S, 32.0351° E
Wherever HERO SD roams, 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 commercial operators

The most powerful cruising platform ever built — yours, free.

Joining the Safety Initiative Network doesn't just put HERO SD 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.
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.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
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 HERO SD and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About HERO SD

What kind of vessel is HERO SD?
HERO SD is a Cargo flagged to Comoros.
Where was HERO SD last seen?
HERO SD was last reported in around 29°S 32°E in Jun 2026 on public AIS.
What is HERO SD's MMSI?
HERO SD's MMSI is 620800443. Call sign D6A4443. IMO 9113886.
How big is HERO SD?
HERO SD is about 150 m long, 20 m on the beam, drawing 10 m.
Is HERO SD on the Master's Mate Safety Initiative Network?
Not yet. If HERO SD is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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