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
HELEN H
MMSI 268253501 · Call sign T7BY7
Not yet on Master's MateType
Cargo
Flag
SMRLength
100 m
Beam
16 m
Draft
6.5 m
Call sign
T7BY7
IMO
9139115
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
HELEN H is a 100-metre cargo ship flying the flag of San Marino. She's built with a beam of 16 m and a 6.5 m draft. Look for MMSI 268253501, call sign T7BY7, IMO 9139115. HELEN H is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.
Free forever · No credit card · for commercial operators
Eyes on HELEN 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 4, 2026
Position
37.4354° N, 24.9402° E
Transiting the Aegean Sea? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put HELEN 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 HELEN H and switch it all on
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About HELEN H
What kind of vessel is HELEN H?
HELEN H is a Cargo flagged to San Marino.
Where was HELEN H last seen?
HELEN H was last reported in the Aegean Sea in Jun 2026 on public AIS.
What is HELEN H's MMSI?
HELEN H's MMSI is 268253501. Call sign T7BY7. IMO 9139115.
How big is HELEN H?
HELEN H is about 100 m long, 16 m on the beam, drawing 6.5 m.
Is HELEN H on the Master's Mate Safety Initiative Network?
Not yet. If HELEN H is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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