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
William C. Gaynor
MMSI 367061180 · Call sign WDC6778
Not yet on Master's MateType
Towing Vessel
Flag
USALength
27 m
Beam
7.9 m
Draft
3.2 m
Call sign
WDC6778
IMO
8423818
Official No.
272731
AIS reports
1
William C. Gaynor is an American service vessel — 27 metres overall. She carries 7.9 metres in the beam and a 3.2 m draft. She's on record as MMSI 367061180, call sign WDC6778, IMO 8423818. Give William C. Gaynor the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
Free forever · No credit card · for working boats
Built for boats that work — like William C. Gaynor.
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 William C. Gaynor 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 William C. Gaynor 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 William C. Gaynor and switch it all on
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About William C. Gaynor
What kind of vessel is William C. Gaynor?
William C. Gaynor is a Towing Vessel flagged to United States of America.
What is William C. Gaynor's MMSI?
William C. Gaynor's MMSI is 367061180. Call sign WDC6778. IMO 8423818.
How big is William C. Gaynor?
William C. Gaynor is about 27 m long, 7.9 m on the beam, drawing 3.2 m.
Is William C. Gaynor on the Master's Mate Safety Initiative Network?
Not yet. If William C. Gaynor is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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