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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 Bruce C. Heezen

MMSI 338934000

Not yet on Master's Mate
Flag
USAUSA
Length
100 m
IMO
9117272
AIS reports
1

An American boat, USNS Bruce C. Heezen measures 100 metres. She's on record as MMSI 338934000, IMO 9117272. USNS Bruce C. Heezen can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.

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Wherever USNS Bruce C. Heezen roams, you're never out there alone.
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Joining the Safety Initiative Network doesn't just put USNS Bruce C. Heezen 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 Bruce C. Heezen and switch it all on
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About USNS Bruce C. Heezen

What kind of vessel is USNS Bruce C. Heezen?
USNS Bruce C. Heezen is a vessel flagged to United States of America.
What is USNS Bruce C. Heezen's MMSI?
USNS Bruce C. Heezen's MMSI is 338934000. IMO 9117272.
How big is USNS Bruce C. Heezen?
USNS Bruce C. Heezen is about 100 m long.
Is USNS Bruce C. Heezen on the Master's Mate Safety Initiative Network?
Not yet. If USNS Bruce C. Heezen is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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