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 (Uninspected)
Sea Quest
MMSI 367551580 · Call sign WDG5911
Not yet on Master's MateType
Passenger (Uninspected)
Flag
USALength
11.6 m
Beam
4 m
Draft
1.9 m
Call sign
WDG5911
Official No.
555180
AIS reports
1
Sea Quest is an American excursion vessel, 11.6 metres from stem to stern. She's built with a 4-metre beam and a 1.9-metre draft. Her registration reads MMSI 367551580, call sign WDG5911. Give Sea Quest the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard Sea Quest 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 Sea Quest 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 Sea Quest 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 Sea Quest and switch it all on
Free to join · nothing to install to start · cancel anytime
About Sea Quest
What kind of vessel is Sea Quest?
Sea Quest is a Passenger (Uninspected) flagged to United States of America.
What is Sea Quest's MMSI?
Sea Quest's MMSI is 367551580. Call sign WDG5911.
How big is Sea Quest?
Sea Quest is about 11.6 m long, 4 m on the beam, drawing 1.9 m.
Is Sea Quest on the Master's Mate Safety Initiative Network?
Not yet. If Sea Quest is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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