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
HOS BRIMSTONE
MMSI 369139000 · Call sign WDA8419
Not yet on Master's MateType
Industrial Vessel
Flag
USALength
80 m
Beam
20 m
Draft
4 m
Call sign
WDA8419
IMO
9271016
Official No.
1124426
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
86
Registered in the United States, HOS BRIMSTONE is an 80-metre commercial ship. Her hull carries a beam of 20 m and a draft of 4 m. Her papers read MMSI 369139000, call sign WDA8419, IMO 9271016. Put HOS BRIMSTONE 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 commercial operators
Eyes on HOS BRIMSTONE, 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
Live AIS position · Jun 9, 2026 15:58 UTC
Position
29.6450° N, 91.1063° W
Status
Moored
Speed
0.0 kn
Course
301°
Destination
MORGAN CITY
ETA
04-22 23:00 UTC
Transiting 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 commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put HOS BRIMSTONE 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 HOS BRIMSTONE and switch it all on
Free to join · nothing to install to start · cancel anytime
About HOS BRIMSTONE
What kind of vessel is HOS BRIMSTONE?
HOS BRIMSTONE is a Industrial Vessel flagged to United States of America.
Where was HOS BRIMSTONE last seen?
HOS BRIMSTONE was last reported in the Gulf of Mexico in Jun 2026 on public AIS.
What is HOS BRIMSTONE's MMSI?
HOS BRIMSTONE's MMSI is 369139000. Call sign WDA8419. IMO 9271016.
How big is HOS BRIMSTONE?
HOS BRIMSTONE is about 80 m long, 20 m on the beam, drawing 4 m.
Is HOS BRIMSTONE on the Master's Mate Safety Initiative Network?
Not yet. If HOS BRIMSTONE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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