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
Herbert J Plaisance
MMSI 367386570 · Call sign WDE6917
Not yet on Master's MateType
Towing Vessel
Flag
USALength
19.5 m
Beam
8.2 m
Draft
2.9 m
Call sign
WDE6917
Official No.
1216424
AIS reports
1
Herbert J Plaisance, an American utility vessel, measures 19.5 metres on deck. Herbert J Plaisance has a 8.2 m beam and a 2.9-metre draft. Officially she's MMSI 367386570, call sign WDE6917. Herbert J Plaisance is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
Free forever · No credit card · for working boats
Built for boats that work — like Herbert J Plaisance.
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 Herbert J Plaisance 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 Herbert J Plaisance 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 Herbert J Plaisance and switch it all on
Free to join · nothing to install to start · cancel anytime
About Herbert J Plaisance
What kind of vessel is Herbert J Plaisance?
Herbert J Plaisance is a Towing Vessel flagged to United States of America.
What is Herbert J Plaisance's MMSI?
Herbert J Plaisance's MMSI is 367386570. Call sign WDE6917.
How big is Herbert J Plaisance?
Herbert J Plaisance is about 19.5 m long, 8.2 m on the beam, drawing 2.9 m.
Is Herbert J Plaisance on the Master's Mate Safety Initiative Network?
Not yet. If Herbert J Plaisance is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
© 2026 Master’s Mate. All rights reserved.