Tug · last seen 34°N 135°E · Jun 2026 · MMSI 431160000 · Call sign JPEF
Not yet on Master's MateDOKAI is a 40-metre tug. Below, she has a 10-metre beam and a draft measuring 4.2 metres. Her papers read MMSI 431160000, call sign JPEF, IMO 9177193. DOKAI is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put DOKAI on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.