SEAKEEPER RIDE SEA TRIAL REPORT

Vessel Characteristics
| Boat Make | Onslow Bay |
| Boat Model | 33 Tournament |
| Boat Year | 2025 |
| System | Seakeeper Ride 600 |
| Length Overall | 32 ft. 10 in. |
| Beam Overall | 9 ft. 11 in. |
| Engine Configuration | 2x Mercury 400 HP |
| Displacement | 6,500 lbs. |
Test Conditions
| Date | 4/29/2025 |
| Location | Surf City |
| Average Speed (auto) | 31 mph |
| Average Speed (manual) | 31 mph |
| Seas | Following Seas |
| Sea Conditions | 3 ft. at 4 seconds |
Performance Results
40%
ROLL ELIMINATION
35%
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.

