SEAKEEPER RIDE SEA TRIAL REPORT

Vessel Characteristics
| Boat Make | Ocean Yachts |
| Boat Model | 52' |
| Boat Year | 2005 |
| System | Seakeeper Ride 1275 |
| Length Overall | 52 ft. 0 in. |
| Beam Overall | 16 ft. 4 in. |
| Engine Configuration | 2x Other 840 HP |
| Displacement | 56,000 lbs. |
Test Conditions
| Date | 7/2/2025 |
| Location | Atlantic City |
| Average Speed (auto) | 30 mph |
| Average Speed (manual) | 30 mph |
| Seas | Head Seas |
| Sea Conditions | 3 ft. at 7 seconds |
Performance Results
23%
ROLL ELIMINATION
38%
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.

