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
RIO GRANDE
MMSI 367585170 · Call sign WDG9180
Not yet on Master's MateType
Towing Vessel
Flag
USALength
116 m
Beam
18 m
Draft
3.1 m
Call sign
WDG9180
Official No.
1248275
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
59
RIO GRANDE is a harbour workboat under American registration, 116 metres long. Below, she has 18 metres in the beam and a draft of 3.1 m. Find her under MMSI 367585170, call sign WDG9180. Put RIO GRANDE 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 RIO GRANDE.
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
30.1010° N, 93.3127° W
Working the Gulf of Mexico? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put RIO GRANDE 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 RIO GRANDE and switch it all on
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About RIO GRANDE
What kind of vessel is RIO GRANDE?
RIO GRANDE is a Towing Vessel flagged to United States of America.
Where was RIO GRANDE last seen?
RIO GRANDE was last reported in the Gulf of Mexico in Jun 2026 on public AIS.
What is RIO GRANDE's MMSI?
RIO GRANDE's MMSI is 367585170. Call sign WDG9180.
How big is RIO GRANDE?
RIO GRANDE is about 116 m long, 18 m on the beam, drawing 3.1 m.
Is RIO GRANDE on the Master's Mate Safety Initiative Network?
Not yet. If RIO GRANDE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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