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.
Port Tender
CALCASIEU RIVER
MMSI 367313850 · Call sign WDD9615
Not yet on Master's MateType
Port Tender
Flag
USALength
13 m
Beam
4 m
Draft
2.5 m
Call sign
WDD9615
Official No.
581071
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
29
CALCASIEU RIVER flies the American flag — a 13-metre workboat. She's built with a beam measuring 4 metres and a 2.5 m draft. Find her under MMSI 367313850, call sign WDD9615. Sign CALCASIEU RIVER up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
Free forever · No credit card · for working boats
Built for boats that work — like CALCASIEU RIVER.
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 3, 2026
Position
31.1094° N, 81.4679° W
Wherever CALCASIEU RIVER 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 CALCASIEU RIVER 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 CALCASIEU RIVER and switch it all on
Free to join · nothing to install to start · cancel anytime
About CALCASIEU RIVER
What kind of vessel is CALCASIEU RIVER?
CALCASIEU RIVER is a Port Tender flagged to United States of America.
Where was CALCASIEU RIVER last seen?
CALCASIEU RIVER was last reported in around 31°N 81°W in Jun 2026 on public AIS.
What is CALCASIEU RIVER's MMSI?
CALCASIEU RIVER's MMSI is 367313850. Call sign WDD9615.
How big is CALCASIEU RIVER?
CALCASIEU RIVER is about 13 m long, 4 m on the beam, drawing 2.5 m.
Is CALCASIEU RIVER on the Master's Mate Safety Initiative Network?
Not yet. If CALCASIEU RIVER 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.