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.
Search & Rescue
CGC DOUGLAS DENMAN
MMSI 338962449 · Call sign NDSD
Not yet on Master's MateType
Search & Rescue
Flag
USALength
46 m
Beam
7 m
Draft
3 m
Call sign
NDSD
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
54
CGC DOUGLAS DENMAN is an American 46-metre vessel. She has a 7 m beam and a draft measuring 3 metres. Find her under MMSI 338962449, call sign NDSD. Put CGC DOUGLAS DENMAN on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.
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Is CGC DOUGLAS DENMAN 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.
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Last known position · Jun 3, 2026
Position
54.6086° N, 132.3749° W
Wherever CGC DOUGLAS DENMAN roams, you're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put CGC DOUGLAS DENMAN 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 CGC DOUGLAS DENMAN and switch it all on
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About CGC DOUGLAS DENMAN
What kind of vessel is CGC DOUGLAS DENMAN?
CGC DOUGLAS DENMAN is a Search & Rescue flagged to United States of America.
Where was CGC DOUGLAS DENMAN last seen?
CGC DOUGLAS DENMAN was last reported in around 55°N 132°W in Jun 2026 on public AIS.
What is CGC DOUGLAS DENMAN's MMSI?
CGC DOUGLAS DENMAN's MMSI is 338962449. Call sign NDSD.
How big is CGC DOUGLAS DENMAN?
CGC DOUGLAS DENMAN is about 46 m long, 7 m on the beam, drawing 3 m.
Is CGC DOUGLAS DENMAN on the Master's Mate Safety Initiative Network?
Not yet. If CGC DOUGLAS DENMAN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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