SEAKEEPER RIDE SEA TRIAL REPORT
Vessel Characteristics
| Boat Make | Greenline |
| Boat Model | 40 Hybrid |
| Boat Year | 2025 |
| System | Seakeeper Ride 1050 |
| Length Overall | 41 ft. 8 in. |
| Beam Overall | 13 ft. 11 in. |
| Engine Configuration | 2x Yanmar 250 HP |
| Displacement | 17,636 lbs. |
Test Conditions
| Date | 4/1/2026 |
| Location | Fort Myers, Florida |
| Average Speed (auto) | 22 mph |
| Average Speed (manual) | 22 mph |
| Seas | Bow Quartering |
| Sea Conditions | 1 ft at 2 sec |
Performance Results
29%
ROLL ELIMINATION
37%
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.
