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.
Passenger (Inspected)
Glass Bottom Boat
MMSI 367321560 · Call sign WDK2779
Not yet on Master's MateType
Passenger (Inspected)
Flag
USALength
19.8 m
Beam
5.8 m
Draft
2.4 m
Call sign
WDK2779
Official No.
1041852
AIS reports
2
Glass Bottom Boat is an American 19.8-metre passenger boat. Glass Bottom Boat has a 5.8-metre beam and a 2.4 m draft. Find her under MMSI 367321560, call sign WDK2779. Glass Bottom Boat 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 passenger & charter operators
Keep every soul aboard Glass Bottom Boat safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever Glass Bottom Boat 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 passenger & charter operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Glass Bottom Boat on the map. It hands you the full bridge:
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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.
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.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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 Glass Bottom Boat and switch it all on
Free to join · nothing to install to start · cancel anytime
About Glass Bottom Boat
What kind of vessel is Glass Bottom Boat?
Glass Bottom Boat is a Passenger (Inspected) flagged to United States of America.
What is Glass Bottom Boat's MMSI?
Glass Bottom Boat's MMSI is 367321560. Call sign WDK2779.
How big is Glass Bottom Boat?
Glass Bottom Boat is about 19.8 m long, 5.8 m on the beam, drawing 2.4 m.
Is Glass Bottom Boat on the Master's Mate Safety Initiative Network?
Not yet. If Glass Bottom Boat is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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