U.S. Official No. 530905
Not yet on Master's MateBIG BAD JOHN is an offshore fishing boat sailing under the American flag, 14.6 metres from stem to stern. BIG BAD JOHN has a 5.5-metre beam and a 1.5-metre draft. She's on record as U.S. official number 530905. Join BIG BAD JOHN 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 BIG BAD JOHN on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.