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.
Towing Vessel
THUNDER
MMSI 367544960 · Call sign WDG5276
Not yet on Master's MateType
Towing Vessel
Flag
USALength
115 m
Beam
18 m
Draft
2.8 m
Call sign
WDG5276
Official No.
1242639
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
55
THUNDER is a work boat registered in the United States, spanning 115 metres. She has a 18-metre beam and a draft measuring 2.8 metres. Officially she's MMSI 367544960, call sign WDG5276. Put THUNDER 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 THUNDER.
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
Last known position · Jun 4, 2026
Position
29.4385° N, 94.8393° W
Working 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 · for working boats
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put THUNDER 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 THUNDER and switch it all on
Free to join · nothing to install to start · cancel anytime
About THUNDER
What kind of vessel is THUNDER?
THUNDER is a Towing Vessel flagged to United States of America.
Where was THUNDER last seen?
THUNDER was last reported in the Gulf of Mexico in Jun 2026 on public AIS.
What is THUNDER's MMSI?
THUNDER's MMSI is 367544960. Call sign WDG5276.
How big is THUNDER?
THUNDER is about 115 m long, 18 m on the beam, drawing 2.8 m.
Is THUNDER on the Master's Mate Safety Initiative Network?
Not yet. If THUNDER is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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