SEAKEEPER RIDE SEA TRIAL REPORT

Vessel Characteristics
| Boat Make | Yamaha Boats |
| Boat Model | 255 FSH Sport |
| Boat Year | 2024 |
| System | Seakeeper Ride 450 |
| Length Overall | 24 ft. 6 in. |
| Beam Overall | 8 ft. 6 in. |
| Engine Configuration | 1x Yamaha 250 HP |
| Displacement | 4,835 lbs. |
Test Conditions
| Date | 4/2/2024 |
| Location | Tampa, Florida |
| Average Speed (auto) | 30 mph |
| Average Speed (manual) | 28 mph |
| Seas | Beam |
| Sea Conditions | 1 ft. at 2 seconds |
Performance Results
28%
ROLL ELIMINATION
53%
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.

