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
Prima Donna
MMSI 367192550 · Call sign WDD7882
Not yet on Master's MateType
Recreational
Flag
USALength
20.3 m
Beam
5.5 m
Draft
2.7 m
Call sign
WDD7882
Official No.
1198580
Hull ID
HATGW622A707
AIS reports
1
Prima Donna is a weekend cruiser flagged in the United States, 20.3 metres on deck. She has a 5.5 m beam and a draft measuring 2.7 metres. Look for MMSI 367192550, call sign WDD7882. Claim Prima Donna free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
Free forever · No credit card · for recreational captains
Keep Prima Donna 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 Prima Donna 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 Prima Donna 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 Prima Donna and switch it all on
Free to join · nothing to install to start · cancel anytime
About Prima Donna
What kind of vessel is Prima Donna?
Prima Donna is a Recreational flagged to United States of America.
What is Prima Donna's MMSI?
Prima Donna's MMSI is 367192550. Call sign WDD7882.
How big is Prima Donna?
Prima Donna is about 20.3 m long, 5.5 m on the beam, drawing 2.7 m.
Is Prima Donna on the Master's Mate Safety Initiative Network?
Not yet. If Prima Donna 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.