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.
Tanker
A3R H
MMSI 620999994 · Call sign D6A3994
Not yet on Master's MateType
Tanker
Flag
COMLength
113 m
Beam
16 m
Draft
6.5 m
Call sign
D6A3994
IMO
9142502
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
A3R H is a tanker registered in Comoros, spanning 113 metres. Her hull carries a beam of 16 m and a draft measuring 6.5 metres. On the registers she's MMSI 620999994, call sign D6A3994, IMO 9142502. Bring A3R H aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Free forever · No credit card · for commercial operators
Eyes on A3R H, 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 3, 2026
Position
29.8761° S, 31.0069° E
Wherever A3R H roams, 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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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put A3R H 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 A3R H and switch it all on
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About A3R H
What kind of vessel is A3R H?
A3R H is a Tanker flagged to Comoros.
Where was A3R H last seen?
A3R H was last reported in around 30°S 31°E in Jun 2026 on public AIS.
What is A3R H's MMSI?
A3R H's MMSI is 620999994. Call sign D6A3994. IMO 9142502.
How big is A3R H?
A3R H is about 113 m long, 16 m on the beam, drawing 6.5 m.
Is A3R H on the Master's Mate Safety Initiative Network?
Not yet. If A3R H is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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