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.
Cargo
CAPT David I Lyon
Cargo · United States of America · last seen 34°N 78°W · Jun 2026 · MMSI 367628660 · Call sign WDH6815
Not yet on Master's MateType
Cargo
Flag
USALength
184 m
Beam
25 m
Draft
7.7 m
Call sign
WDH6815
IMO
9123037
Official No.
1254113
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
89
MV LYON is a United States-flagged cargo vessel, measuring 184 meters in length with a 25-meter beam. Her IMO number is 9123037 and her call sign is WDH6815. Cruisers can join the Master's Mate Safety Initiative Network and enjoy enhanced safety on the water.
Free forever · No credit card · for commercial operators
Eyes on CAPT David I Lyon, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 4, 2026
Position
34.0077° N, 77.9537° W
Wherever CAPT David I Lyon 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 commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put CAPT David I Lyon on the map. It hands you the full bridge:
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
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 CAPT David I Lyon and switch it all on
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About CAPT David I Lyon
What kind of vessel is CAPT David I Lyon?
CAPT David I Lyon is a Cargo flagged to United States of America.
Where was CAPT David I Lyon last seen?
CAPT David I Lyon was last reported in around 34°N 78°W in Jun 2026 on public AIS.
What is CAPT David I Lyon's MMSI?
CAPT David I Lyon's MMSI is 367628660. Call sign WDH6815. IMO 9123037.
How big is CAPT David I Lyon?
CAPT David I Lyon is about 184 m long, 25 m on the beam, drawing 7.7 m.
Is CAPT David I Lyon on the Master's Mate Safety Initiative Network?
Not yet. If CAPT David I Lyon is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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