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
ESRA C
MMSI 636022919 · Call sign 5LLB5
Not yet on Master's MateType
Cargo
Flag
LBRLength
175 m
Beam
29 m
Draft
7.8 m
Call sign
5LLB5
IMO
9379662
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
ESRA C flies the Liberian flag — a 175-metre merchant ship. She has 29 metres in the beam and a draft measuring 7.8 metres. On AIS she appears as MMSI 636022919, call sign 5LLB5, IMO 9379662. Sign ESRA C up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
Free forever · No credit card · for commercial operators
Eyes on ESRA C, 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
57.0373° N, 19.4127° E
Transiting 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.
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 ESRA C 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 ESRA C and switch it all on
Free to join · nothing to install to start · cancel anytime
About ESRA C
What kind of vessel is ESRA C?
ESRA C is a Cargo flagged to Liberia.
Where was ESRA C last seen?
ESRA C was last reported in the Baltic Sea in Jun 2026 on public AIS.
What is ESRA C's MMSI?
ESRA C's MMSI is 636022919. Call sign 5LLB5. IMO 9379662.
How big is ESRA C?
ESRA C is about 175 m long, 29 m on the beam, drawing 7.8 m.
Is ESRA C on the Master's Mate Safety Initiative Network?
Not yet. If ESRA C is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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