Sounds like a helicopter in my head?

Tinnitus. Any abnormal sound in the head is tinnitus. I would see your local ENT and get a hearing test.
Helicopter head sd. The sound you are hearing could be ear-related, and consistent with tinnitus. Tinnitus is associated with hearing loss and can be documented by getting a hearing test. This sound may also be due to increased pressure in fluid surrounding the brain (intracranial pressure). Start by checking in with your primary doctor to find out what other symptoms you have and the cause of the noise.