SEAKEEPER RIDE SEA TRIAL REPORT

Vessel Characteristics
| Boat Make | Boston Whaler |
| Boat Model | 190 Montauk |
| Boat Year | 2025 |
| System | Seakeeper Ride 450 |
| Length Overall | 19 ft. 4 in. |
| Beam Overall | 8 ft. 0 in. |
| Engine Configuration | 1x Mercury 150 HP |
| Displacement | 1,769 lbs. |
Test Conditions
| Date | 8/1/2025 |
| Location | Kent Island, Maryland |
| Average Speed (auto) | 32 mph |
| Average Speed (manual) | 32 mph |
| Seas | Head Seas |
| Sea Conditions | 2-3 ft. at 2 seconds |
Performance Results
63%
ROLL ELIMINATION
55%
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.

