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
M/V Dry Tortugas
MMSI 367400840 · Call sign WDL3669
Not yet on Master's MateType
Offshore Supply Vessel
Flag
USALength
43.7 m
Beam
12 m
Draft
4.3 m
Call sign
WDL3669
Official No.
1218689
AIS reports
2
M/V Dry Tortugas, an American utility vessel, measures 43.7 metres on deck. She's built with a 12-metre beam and a 4.3-metre draft. Her registration reads MMSI 367400840, call sign WDL3669. M/V Dry Tortugas belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
Free forever · No credit card · for working boats
Built for boats that work — like M/V Dry Tortugas.
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 M/V Dry Tortugas 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 M/V Dry Tortugas 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 M/V Dry Tortugas and switch it all on
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About M/V Dry Tortugas
What kind of vessel is M/V Dry Tortugas?
M/V Dry Tortugas is a Offshore Supply Vessel flagged to United States of America.
What is M/V Dry Tortugas's MMSI?
M/V Dry Tortugas's MMSI is 367400840. Call sign WDL3669.
How big is M/V Dry Tortugas?
M/V Dry Tortugas is about 43.7 m long, 12 m on the beam, drawing 4.3 m.
Is M/V Dry Tortugas on the Master's Mate Safety Initiative Network?
Not yet. If M/V Dry Tortugas is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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