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.
Freight Ship
Cali Jack
MMSI 338344000 · Call sign WDQ8304
Not yet on Master's MateType
Freight Ship
Flag
USALength
39.9 m
Beam
11 m
Draft
3.5 m
Call sign
WDQ8304
IMO
9184122
Official No.
1062038
AIS reports
4
Out of the United States, Cali Jack is a 39.9-metre cargo ship. She carries a beam measuring 11 metres and a 3.5 m draft. She's on record as MMSI 338344000, call sign WDQ8304, IMO 9184122. It's free to add Cali Jack 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 commercial operators
Eyes on Cali Jack, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever Cali Jack 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 commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Cali Jack on the map. It hands you the full bridge:
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
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 Cali Jack and switch it all on
Free to join · nothing to install to start · cancel anytime
About Cali Jack
What kind of vessel is Cali Jack?
Cali Jack is a Freight Ship flagged to United States of America.
What is Cali Jack's MMSI?
Cali Jack's MMSI is 338344000. Call sign WDQ8304. IMO 9184122.
How big is Cali Jack?
Cali Jack is about 39.9 m long, 11 m on the beam, drawing 3.5 m.
Is Cali Jack on the Master's Mate Safety Initiative Network?
Not yet. If Cali Jack is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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