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.
Recreational
NEBULA
U.S. Official No. 563495
Not yet on Master's MateType
Recreational
Flag
USALength
9.1 m
Beam
2.9 m
Draft
3 m
First reported
Jun 2026
AIS reports
1
NEBULA, a cruising boat flying the flag of the United States, measures 9.1 metres on deck. She carries a 2.9-metre beam and a 3 m draft. Look for U.S. official number 563495. Bring NEBULA aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Free forever · No credit card · for recreational captains
Keep NEBULA looked after — even when you’re not aboard.
Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.
Look after her — claim free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever NEBULA 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 recreational captains
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put NEBULA 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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
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 NEBULA and switch it all on
Free to join · nothing to install to start · cancel anytime
About NEBULA
What kind of vessel is NEBULA?
NEBULA is a Recreational flagged to United States of America.
What is NEBULA's U.S. Official No.?
NEBULA's U.S. Official No. is 563495.
How big is NEBULA?
NEBULA is about 9.1 m long, 2.9 m on the beam, drawing 3 m.
Is NEBULA on the Master's Mate Safety Initiative Network?
Not yet. If NEBULA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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