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
MAMMA MIA
MMSI 636019068 · Call sign D5SU3
Not yet on Master's MateType
Cargo
Flag
LBRLength
199 m
Beam
32 m
Draft
7.2 m
Call sign
D5SU3
IMO
9846548
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
87
MAMMA MIA is a Liberian 199-metre general cargo ship. Her hull carries a 32-metre beam and a draft measuring 7.2 metres. She's listed under MMSI 636019068, call sign D5SU3, IMO 9846548. MAMMA MIA 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 MAMMA MIA, 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
39.2676° N, 76.5821° W
Transiting Chesapeake Bay? 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 MAMMA MIA 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 MAMMA MIA and switch it all on
Free to join · nothing to install to start · cancel anytime
About MAMMA MIA
What kind of vessel is MAMMA MIA?
MAMMA MIA is a Cargo flagged to Liberia.
Where was MAMMA MIA last seen?
MAMMA MIA was last reported in Chesapeake Bay in Jun 2026 on public AIS.
What is MAMMA MIA's MMSI?
MAMMA MIA's MMSI is 636019068. Call sign D5SU3. IMO 9846548.
How big is MAMMA MIA?
MAMMA MIA is about 199 m long, 32 m on the beam, drawing 7.2 m.
Is MAMMA MIA on the Master's Mate Safety Initiative Network?
Not yet. If MAMMA MIA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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