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
BRAZOS EXPRESS
MMSI 367117690 · Call sign WRB4886
Not yet on Master's MateType
Offshore Supply Vessel
Flag
USALength
50 m
Beam
12.2 m
Draft
3.6 m
Call sign
WRB4886
IMO
8206870
Official No.
652318
AIS reports
1
Registered in the United States, BRAZOS EXPRESS is a 50-metre service vessel. BRAZOS EXPRESS has a 12.2-metre beam and a 3.6 m draft. Look for MMSI 367117690, call sign WRB4886, IMO 8206870. Join BRAZOS EXPRESS to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
Free forever · No credit card · for working boats
Built for boats that work — like BRAZOS EXPRESS.
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 BRAZOS EXPRESS 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 BRAZOS EXPRESS 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 BRAZOS EXPRESS and switch it all on
Free to join · nothing to install to start · cancel anytime
About BRAZOS EXPRESS
What kind of vessel is BRAZOS EXPRESS?
BRAZOS EXPRESS is a Offshore Supply Vessel flagged to United States of America.
What is BRAZOS EXPRESS's MMSI?
BRAZOS EXPRESS's MMSI is 367117690. Call sign WRB4886. IMO 8206870.
How big is BRAZOS EXPRESS?
BRAZOS EXPRESS is about 50 m long, 12.2 m on the beam, drawing 3.6 m.
Is BRAZOS EXPRESS on the Master's Mate Safety Initiative Network?
Not yet. If BRAZOS EXPRESS 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.