MMSI 431121000 · Call sign JQIQ
Not yet on Master's MateKAIYO MARU NO.6 flies the Japanese flag — a 53-metre commercial fishing boat. She has 9 metres in the beam and a draft of 5.1 m. She's listed under MMSI 431121000, call sign JQIQ, IMO 9200328. Sign KAIYO MARU NO.6 up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
Live AIS traffic, weather you can plan around, engine & systems telemetry, and a distress mesh that reaches nearby boats.
Keep the fleet in sight — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put KAIYO MARU NO.6 on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.