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.
Tanker
CALIFORNIA VOYAGER
MMSI 338879000 · Call sign KCOJ
Not yet on Master's MateType
Tanker
Flag
USALength
186 m
Beam
32 m
Draft
8.4 m
Call sign
KCOJ
IMO
971020600
Official No.
692401
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
89
CALIFORNIA VOYAGER, a tanker flying the flag of the United States, measures 186 metres on deck. She carries 32 metres in the beam and a 8.4-metre draft. On AIS she shows as MMSI 338879000, call sign KCOJ. Bring CALIFORNIA VOYAGER aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Free forever · No credit card · for commercial operators
Eyes on CALIFORNIA VOYAGER, 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
Live AIS position · Jun 10, 2026 00:05 UTC
Position
29.5712° N, 93.2725° W
Status
Under way (engine)
Speed
10.9 kn
Course
141°
Destination
US TPA
ETA
06-11 20:00 UTC
Transiting the Gulf of Mexico? 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 CALIFORNIA VOYAGER 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 CALIFORNIA VOYAGER and switch it all on
Free to join · nothing to install to start · cancel anytime
About CALIFORNIA VOYAGER
What kind of vessel is CALIFORNIA VOYAGER?
CALIFORNIA VOYAGER is a Tanker flagged to United States of America.
Where was CALIFORNIA VOYAGER last seen?
CALIFORNIA VOYAGER was last reported in the Gulf of Mexico in Jun 2026 on public AIS.
What is CALIFORNIA VOYAGER's MMSI?
CALIFORNIA VOYAGER's MMSI is 338879000. Call sign KCOJ. IMO 971020600.
How big is CALIFORNIA VOYAGER?
CALIFORNIA VOYAGER is about 186 m long, 32 m on the beam, drawing 8.4 m.
Is CALIFORNIA VOYAGER on the Master's Mate Safety Initiative Network?
Not yet. If CALIFORNIA VOYAGER is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
© 2026 Master’s Mate. All rights reserved.