U.S. Official No. 662567
Not yet on Master's MateJOHNNY-L is a commercial fishing vessel flying the American flag, 9.8 metres from stem to stern. JOHNNY-L has a 4.3-metre beam and a 1.8-metre draft. She's on record as U.S. official number 662567. Join JOHNNY-L to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
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 JOHNNY-L on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.