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 Vessel
SIGNET WARHORSE I
MMSI 369599000 · Call sign WDH4892
Not yet on Master's MateType
Towing Vessel
Flag
USALength
40.7 m
Beam
13.7 m
Draft
6 m
Call sign
WDH4892
IMO
9254018
Official No.
1131547
AIS reports
2
On the American registry, SIGNET WARHORSE I is a 40.7-metre working craft. Her hull carries a beam of 13.7 m and a draft of 6 m. Her registration reads MMSI 369599000, call sign WDH4892, IMO 9254018. Join SIGNET WARHORSE I to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
Free forever · No credit card · for working boats
Built for boats that work — like SIGNET WARHORSE I.
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
Wherever SIGNET WARHORSE I 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 working boats
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SIGNET WARHORSE I 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 WARHORSE I and switch it all on
Free to join · nothing to install to start · cancel anytime
About SIGNET WARHORSE I
What kind of vessel is SIGNET WARHORSE I?
SIGNET WARHORSE I is a Towing Vessel flagged to United States of America.
What is SIGNET WARHORSE I's MMSI?
SIGNET WARHORSE I's MMSI is 369599000. Call sign WDH4892. IMO 9254018.
How big is SIGNET WARHORSE I?
SIGNET WARHORSE I is about 40.7 m long, 13.7 m on the beam, drawing 6 m.
Is SIGNET WARHORSE I on the Master's Mate Safety Initiative Network?
Not yet. If SIGNET WARHORSE I is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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