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.
Vessel
Maria 1921 (ship, 2011)
MMSI 636020837
Not yet on Master's MateFlag
LBRLength
175.6 m
IMO
9561796
AIS reports
2
Maria 1921 (ship, 2011) is a vessel flying the flag of Liberia, 175.6 metres from stem to stern. Look for MMSI 636020837, IMO 9561796. It's free to add Maria 1921 (ship, 2011) to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
Free forever · No credit card
Is Maria 1921 (ship, 2011) your boat?
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever Maria 1921 (ship, 2011) 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
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Maria 1921 (ship, 2011) on the map. It hands you the full bridge:
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
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.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim Maria 1921 (ship, 2011) and switch it all on
Free to join · nothing to install to start · cancel anytime
About Maria 1921 (ship, 2011)
What kind of vessel is Maria 1921 (ship, 2011)?
Maria 1921 (ship, 2011) is a vessel flagged to Liberia.
What is Maria 1921 (ship, 2011)'s MMSI?
Maria 1921 (ship, 2011)'s MMSI is 636020837. IMO 9561796.
How big is Maria 1921 (ship, 2011)?
Maria 1921 (ship, 2011) is about 175.6 m long.
Is Maria 1921 (ship, 2011) on the Master's Mate Safety Initiative Network?
Not yet. If Maria 1921 (ship, 2011) 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.