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.
Law Enforcement
CG NARWHAL
MMSI 366999702 · Call sign NTHA
Not yet on Master's MateType
Law Enforcement
Flag
USALength
26 m
Beam
6 m
Draft
1.7 m
Call sign
NTHA
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
17
CG NARWHAL is a craft under American registration, spanning 26 metres. Her hull carries a 6-metre beam and a draft measuring 1.7 metres. Officially she's MMSI 366999702, call sign NTHA. CG NARWHAL is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
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Is CG NARWHAL 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 CG NARWHAL 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 CG NARWHAL 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 CG NARWHAL and switch it all on
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About CG NARWHAL
What kind of vessel is CG NARWHAL?
CG NARWHAL is a Law Enforcement flagged to United States of America.
What is CG NARWHAL's MMSI?
CG NARWHAL's MMSI is 366999702. Call sign NTHA.
How big is CG NARWHAL?
CG NARWHAL is about 26 m long, 6 m on the beam, drawing 1.7 m.
Is CG NARWHAL on the Master's Mate Safety Initiative Network?
Not yet. If CG NARWHAL is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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