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
SIDER MONICA
MMSI 255806133 · Call sign CQAC3
Not yet on Master's MateType
Cargo
Flag
PRTLength
108 m
Beam
18 m
Draft
7.6 m
Call sign
CQAC3
IMO
9432517
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
66
A Portuguese merchant ship, SIDER MONICA measures 108 metres. She has a 18-metre beam and a draft measuring 7.6 metres. Look for MMSI 255806133, call sign CQAC3, IMO 9432517. SIDER MONICA is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
Free forever · No credit card · for commercial operators
Eyes on SIDER MONICA, 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
46.0875° N, 1.2583° W
Transiting the Bay of Biscay? 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 SIDER MONICA 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 SIDER MONICA and switch it all on
Free to join · nothing to install to start · cancel anytime
About SIDER MONICA
What kind of vessel is SIDER MONICA?
SIDER MONICA is a Cargo flagged to Portugal.
Where was SIDER MONICA last seen?
SIDER MONICA was last reported in the Bay of Biscay in Jun 2026 on public AIS.
What is SIDER MONICA's MMSI?
SIDER MONICA's MMSI is 255806133. Call sign CQAC3. IMO 9432517.
How big is SIDER MONICA?
SIDER MONICA is about 108 m long, 18 m on the beam, drawing 7.6 m.
Is SIDER MONICA on the Master's Mate Safety Initiative Network?
Not yet. If SIDER MONICA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
© 2026 Master’s Mate. All rights reserved.