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.
Towing
BUTTERCUP
MMSI 367554310 · Call sign WDG6177
Not yet on Master's MateType
Towing
Flag
USALength
20 m
Beam
8 m
Draft
2.7 m
Call sign
WDG6177
Official No.
1216548
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
22
BUTTERCUP is an American work boat — 20 metres overall. She has a beam of 8 m and a draft measuring 2.7 metres. She's listed under MMSI 367554310, call sign WDG6177. Working vessels like BUTTERCUP are never truly alone on the Master's Mate Safety Initiative Network — free, with a fleet on watch.
Free forever · No credit card · for working boats
Built for boats that work — like BUTTERCUP.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 4, 2026
Position
29.7309° N, 95.0519° W
Working the Gulf of Mexico? You're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put BUTTERCUP on the map. It hands you the full bridge:
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.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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 BUTTERCUP and switch it all on
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About BUTTERCUP
What kind of vessel is BUTTERCUP?
BUTTERCUP is a Towing flagged to United States of America.
Where was BUTTERCUP last seen?
BUTTERCUP was last reported in the Gulf of Mexico in Jun 2026 on public AIS.
What is BUTTERCUP's MMSI?
BUTTERCUP's MMSI is 367554310. Call sign WDG6177.
How big is BUTTERCUP?
BUTTERCUP is about 20 m long, 8 m on the beam, drawing 2.7 m.
Is BUTTERCUP on the Master's Mate Safety Initiative Network?
Not yet. If BUTTERCUP is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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