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.
Offshore Supply Vessel
KEITH K
MMSI 367101480 · Call sign WDC9379
Not yet on Master's MateType
Offshore Supply Vessel
Flag
USALength
13.2 m
Beam
4.1 m
Draft
2.1 m
Call sign
WDC9379
Official No.
557229
AIS reports
1
Registered in the United States, KEITH K is a 13.2-metre harbour workboat. Her hull carries a 4.1-metre beam and a draft of 2.1 m. On AIS she appears as MMSI 367101480, call sign WDC9379. Put KEITH K on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.
Free forever · No credit card · for working boats
Built for boats that work — like KEITH K.
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 KEITH K 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 KEITH K 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 KEITH K and switch it all on
Free to join · nothing to install to start · cancel anytime
About KEITH K
What kind of vessel is KEITH K?
KEITH K is a Offshore Supply Vessel flagged to United States of America.
What is KEITH K's MMSI?
KEITH K's MMSI is 367101480. Call sign WDC9379.
How big is KEITH K?
KEITH K is about 13.2 m long, 4.1 m on the beam, drawing 2.1 m.
Is KEITH K on the Master's Mate Safety Initiative Network?
Not yet. If KEITH K 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.