Sign up free Dashboard Log out
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.
Vessel

KOJU

MMSI 339000115 · Call sign 6YWP8

Not yet on Master's Mate
Flag
JAMJAM
Length
37 m
Beam
8 m
Draft
1.9 m
Call sign
6YWP8
IMO
9948205
First reported
Apr 2026
Last reported
Apr 2026
AIS reports
85

Hailing from Jamaica, KOJU is a 37-metre craft. Her hull carries a 8-metre beam and a draft measuring 1.9 metres. Look for MMSI 339000115, call sign 6YWP8, IMO 9948205. Join KOJU to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.

Free forever · No credit card

Is KOJU 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

Live AIS position · Jun 9, 2026 03:49 UTC
Position
26.1114° N, 80.1085° W
Status
Moored
Speed
0.0 kn
Course
360°
Destination
US PEF
ETA
06-06 15:00 UTC
Wherever KOJU 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

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

Joining the Safety Initiative Network doesn't just put KOJU 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 KOJU and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About KOJU

What kind of vessel is KOJU?
KOJU is a vessel flagged to Jamaica.
What is KOJU's MMSI?
KOJU's MMSI is 339000115. Call sign 6YWP8. IMO 9948205.
How big is KOJU?
KOJU is about 37 m long, 8 m on the beam, drawing 1.9 m.
Is KOJU on the Master's Mate Safety Initiative Network?
Not yet. If KOJU 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.