Not only does exposure to high dB noise levels damage your hearing but High Frequency Harmonics, such as are generated by a UH-60 and other Aircraft will cause hearing loss.

Here's a new electronic hearing aid designed specifically to help tinnitus.

The devices are tailored to help cancel and enhance different frequencies of loss using your audiogram and also targeting tinnitus.(Credit; Eric R. Poole Former Member USMC).

Best Hearing Aid Protection Devices for Hunting Shooting - SportEAR