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.
Industrial Vessel
Grand Isle
MMSI 367602890 · Call sign WDH2957
Not yet on Master's MateType
Industrial Vessel
Flag
USALength
84.9 m
Beam
20.1 m
Draft
7.9 m
Call sign
WDH2957
IMO
9703746
Official No.
1250605
AIS reports
1
Grand Isle is an American 84.9-metre working ship. Grand Isle has a beam of 20.1 m and a 7.9 m draft. On AIS she shows as MMSI 367602890, call sign WDH2957, IMO 9703746. Sign Grand Isle up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
Free forever · No credit card · for commercial operators
Eyes on Grand Isle, 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
Wherever Grand Isle 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 Grand Isle 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 Grand Isle and switch it all on
Free to join · nothing to install to start · cancel anytime
About Grand Isle
What kind of vessel is Grand Isle?
Grand Isle is a Industrial Vessel flagged to United States of America.
What is Grand Isle's MMSI?
Grand Isle's MMSI is 367602890. Call sign WDH2957. IMO 9703746.
How big is Grand Isle?
Grand Isle is about 84.9 m long, 20.1 m on the beam, drawing 7.9 m.
Is Grand Isle on the Master's Mate Safety Initiative Network?
Not yet. If Grand Isle 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.