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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.
Passenger (Uninspected)

CHUM-BOX III

U.S. Official No. 1221311

Not yet on Master's Mate
Type
Passenger (Uninspected)
Flag
USAUSA
Length
9.9 m
Beam
3 m
Draft
1.2 m
First reported
Jun 2026
AIS reports
1

An American ferry, CHUM-BOX III measures 9.9 metres. She carries a 3 m beam and a 1.2-metre draft. She's listed under U.S. official number 1221311. It's free to add CHUM-BOX III to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.

Free forever · No credit card · for passenger & charter operators

Keep every soul aboard CHUM-BOX III safe.

Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.

Switch on the safety stack — free →

Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers

Wherever CHUM-BOX III 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 passenger & charter operators

The most powerful cruising platform ever built — yours, free.

Joining the Safety Initiative Network doesn't just put CHUM-BOX III on the map. It hands you the full bridge:

Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
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 CHUM-BOX III and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About CHUM-BOX III

What kind of vessel is CHUM-BOX III?
CHUM-BOX III is a Passenger (Uninspected) flagged to United States of America.
What is CHUM-BOX III's U.S. Official No.?
CHUM-BOX III's U.S. Official No. is 1221311.
How big is CHUM-BOX III?
CHUM-BOX III is about 9.9 m long, 3 m on the beam, drawing 1.2 m.
Is CHUM-BOX III on the Master's Mate Safety Initiative Network?
Not yet. If CHUM-BOX III is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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