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
LISSY B
MMSI 366899120 · Call sign WDB4502
Not yet on Master's MateType
Recreational
Flag
USALength
11.2 m
Beam
4.2 m
Draft
1.8 m
Call sign
WDB4502
Official No.
639541
Hull ID
SERF31770581
AIS reports
1
LISSY B, an American recreational boat, measures 11.2 metres on deck. LISSY B has a 4.2 m beam and a 1.8 m draft. She's on record as MMSI 366899120, call sign WDB4502. LISSY B 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 recreational captains
Keep LISSY B 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 LISSY B 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 LISSY B 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 LISSY B and switch it all on
Free to join · nothing to install to start · cancel anytime
About LISSY B
What kind of vessel is LISSY B?
LISSY B is a Recreational flagged to United States of America.
What is LISSY B's MMSI?
LISSY B's MMSI is 366899120. Call sign WDB4502.
How big is LISSY B?
LISSY B is about 11.2 m long, 4.2 m on the beam, drawing 1.8 m.
Is LISSY B on the Master's Mate Safety Initiative Network?
Not yet. If LISSY B 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.