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.
Tanker
SEA CUMULUS
MMSI 538010129 · Call sign V7A5655
Not yet on Master's MateType
Tanker
Flag
MHLLength
183 m
Beam
32 m
Draft
8.2 m
Call sign
V7A5655
IMO
9724532
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
18
Registered in the Marshall Islands, SEA CUMULUS is an 183-metre tank vessel. She has a beam of 32 m and a draft measuring 8.2 metres. On AIS she appears as MMSI 538010129, call sign V7A5655, IMO 9724532. Put SEA CUMULUS on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.
Free forever · No credit card · for commercial operators
Eyes on SEA CUMULUS, 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
Wherever SEA CUMULUS 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 · for commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SEA CUMULUS 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 SEA CUMULUS and switch it all on
Free to join · nothing to install to start · cancel anytime
About SEA CUMULUS
What kind of vessel is SEA CUMULUS?
SEA CUMULUS is a Tanker flagged to Marshall Islands.
What is SEA CUMULUS's MMSI?
SEA CUMULUS's MMSI is 538010129. Call sign V7A5655. IMO 9724532.
How big is SEA CUMULUS?
SEA CUMULUS is about 183 m long, 32 m on the beam, drawing 8.2 m.
Is SEA CUMULUS on the Master's Mate Safety Initiative Network?
Not yet. If SEA CUMULUS 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.