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.
Vessel
USNS Richard E. Byrd
MMSI 369499000
Not yet on Master's MateFlag
USALength
210 m
IMO
9300609
AIS reports
1
USNS Richard E. Byrd is a craft listed on the the United States registry, measuring 210 metres. Officially she's MMSI 369499000, IMO 9300609. Give USNS Richard E. Byrd the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
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Is USNS Richard E. Byrd your boat?
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever USNS Richard E. Byrd 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
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put USNS Richard E. Byrd on the map. It hands you the full bridge:
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.
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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
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.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim USNS Richard E. Byrd and switch it all on
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About USNS Richard E. Byrd
What kind of vessel is USNS Richard E. Byrd?
USNS Richard E. Byrd is a vessel flagged to United States of America.
What is USNS Richard E. Byrd's MMSI?
USNS Richard E. Byrd's MMSI is 369499000. IMO 9300609.
How big is USNS Richard E. Byrd?
USNS Richard E. Byrd is about 210 m long.
Is USNS Richard E. Byrd on the Master's Mate Safety Initiative Network?
Not yet. If USNS Richard E. Byrd is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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