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.
Tug
SIGNET CONSTELLATION
MMSI 367507520 · Call sign WDF9663
Not yet on Master's MateType
Tug
Flag
USALength
33 m
Beam
14 m
Draft
5.5 m
Call sign
WDF9663
IMO
9593139
Official No.
1236472
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
37
An American tug, SIGNET CONSTELLATION measures 33 metres. Below, she has a 14 m beam and a draft measuring 5.5 metres. Officially she's MMSI 367507520, call sign WDF9663, IMO 9593139. It's free to add SIGNET CONSTELLATION to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
Free forever · No credit card · for working boats
Built for boats that work — like SIGNET CONSTELLATION.
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
Live AIS position · Jun 9, 2026 21:57 UTC
Position
27.8464° N, 97.2252° W
Status
Moored
Speed
0.0 kn
Course
14°
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 SIGNET CONSTELLATION 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 SIGNET CONSTELLATION and switch it all on
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About SIGNET CONSTELLATION
What kind of vessel is SIGNET CONSTELLATION?
SIGNET CONSTELLATION is a Tug flagged to United States of America.
Where was SIGNET CONSTELLATION last seen?
SIGNET CONSTELLATION was last reported in the Gulf of Mexico in Jun 2026 on public AIS.
What is SIGNET CONSTELLATION's MMSI?
SIGNET CONSTELLATION's MMSI is 367507520. Call sign WDF9663. IMO 9593139.
How big is SIGNET CONSTELLATION?
SIGNET CONSTELLATION is about 33 m long, 14 m on the beam, drawing 5.5 m.
Is SIGNET CONSTELLATION on the Master's Mate Safety Initiative Network?
Not yet. If SIGNET CONSTELLATION is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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