RedactedNarrative: On 09-17-2022 at approximately 1439 hours, Vessel 1 was operating Northbound on the Colorado River in Bullhead City, Arizona. Vessel 2 was operating Northbound in the same area as Vessel 1. Vessel 1 turned starboard and collided with Vessel 2. No parties were injured as a result of the collision.Vessel 1 is the primary cause of the collision.