Helicopter hits power line, sparks fire in Calistoga

A helicopter hit a power line - as it was inspecting power lines - in Calistoga on Thursday afternoon. 

According to the FAA, the impact cut the power lines and they fell to the ground, which sparked a brush fire. 

The helicopter didn't crash, but made a precautionary landing. Three people were on board at the time.

No one was injured. 

The FAA is investigating. 

At this point, additional details have not been released.