U.S. Official No. 978585
Not yet on Master's MateOn the American registry, SOUR DIESEL is a 15.2-metre commercial fishing boat. Her hull carries 4.5 metres in the beam and a draft measuring 1.2 metres. Find her under U.S. official number 978585. Claim SOUR DIESEL free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
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 SOUR DIESEL on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.