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
Royce Wilken
MMSI 366984870 · Call sign WDB9903
Not yet on Master's MateType
Towing Vessel
Flag
USALength
53.9 m
Beam
16.5 m
Draft
2.7 m
Call sign
WDB9903
Official No.
557274
AIS reports
1
Royce Wilken is an American work boat, spanning 53.9 metres. Her hull carries a beam measuring 16.5 metres and a draft measuring 2.7 metres. Find her under MMSI 366984870, call sign WDB9903. Add Royce Wilken to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
Free forever · No credit card · for working boats
Built for boats that work — like Royce Wilken.
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 Royce Wilken 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 Royce Wilken 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 Royce Wilken and switch it all on
Free to join · nothing to install to start · cancel anytime
About Royce Wilken
What kind of vessel is Royce Wilken?
Royce Wilken is a Towing Vessel flagged to United States of America.
What is Royce Wilken's MMSI?
Royce Wilken's MMSI is 366984870. Call sign WDB9903.
How big is Royce Wilken?
Royce Wilken is about 53.9 m long, 16.5 m on the beam, drawing 2.7 m.
Is Royce Wilken on the Master's Mate Safety Initiative Network?
Not yet. If Royce Wilken is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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