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
Robert A. Knoke
MMSI 366974010 · Call sign WDB9341
Not yet on Master's MateType
Towing Vessel
Flag
USALength
39 m
Beam
12.8 m
Draft
2.9 m
Call sign
WDB9341
Official No.
567698
AIS reports
1
Robert A. Knoke is a service vessel sailing under the American flag, measuring 39 metres. She's built with a 12.8 m beam and a 2.9 m draft. Officially she's MMSI 366974010, call sign WDB9341. Join Robert A. Knoke 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 Robert A. Knoke.
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 Robert A. Knoke 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 Robert A. Knoke 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 Robert A. Knoke and switch it all on
Free to join · nothing to install to start · cancel anytime
About Robert A. Knoke
What kind of vessel is Robert A. Knoke?
Robert A. Knoke is a Towing Vessel flagged to United States of America.
What is Robert A. Knoke's MMSI?
Robert A. Knoke's MMSI is 366974010. Call sign WDB9341.
How big is Robert A. Knoke?
Robert A. Knoke is about 39 m long, 12.8 m on the beam, drawing 2.9 m.
Is Robert A. Knoke on the Master's Mate Safety Initiative Network?
Not yet. If Robert A. Knoke 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.