Yellowfin 39 Offshore 2026 - Seakeeper Ride

SEAKEEPER RIDE SEA TRIAL REPORT

Boat MakeYellowfin
Boat Model39 Offshore
Boat Year2026
SystemSeakeeper Ride 750 Quad
Length Overall39 ft. 8 in.
Beam Overall11 ft. 6 in.
Engine Configuration4x Mercury 425 HP
Displacement13,000 lbs.
Date7/23/2025
LocationSarasota
Average Speed (auto)49 mph
Average Speed (manual)49 mph
SeasBow Quartering
Sea Conditions1 ft. at 5 seconds

Performance Results

40%

ROLL ELIMINATION

36%

Pitch ELIMINATION

Roll Rate Comparison

Pitch Rate Comparison


Performance results are measured with the system on and off as a reduction of standard
deviation in pitch and roll rates at all frequencies at a constant heading and speed.

Seakeeper Ride Brochure
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Seakeeper Ride
Brochure