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.
Vessel
MARK SHELL
MMSI 367728680 · Call sign WDI7434
Not yet on Master's MateFlag
USALength
213 m
Beam
17 m
Draft
2.9 m
Call sign
WDI7434
IMO
1224501
Official No.
1224501
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
39
An American boat, MARK SHELL measures 213 metres. She carries a 17-metre beam and a 2.9 m draft. Find her under MMSI 367728680, call sign WDI7434, IMO 1224501. The Master's Mate Safety Initiative Network welcomes MARK SHELL — free to join, cruiser-run, and always on watch.
Free forever · No credit card
Is MARK SHELL your boat?
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 3, 2026
Position
29.8109° N, 91.1737° W
Crossing the Gulf of Mexico? 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
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put MARK SHELL on the map. It hands you the full bridge:
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.
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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
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.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim MARK SHELL and switch it all on
Free to join · nothing to install to start · cancel anytime
About MARK SHELL
What kind of vessel is MARK SHELL?
MARK SHELL is a vessel flagged to United States of America.
Where was MARK SHELL last seen?
MARK SHELL was last reported in the Gulf of Mexico in Jun 2026 on public AIS.
What is MARK SHELL's MMSI?
MARK SHELL's MMSI is 367728680. Call sign WDI7434. IMO 1224501.
How big is MARK SHELL?
MARK SHELL is about 213 m long, 17 m on the beam, drawing 2.9 m.
Is MARK SHELL on the Master's Mate Safety Initiative Network?
Not yet. If MARK SHELL is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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