Helicopter_sound_effect_flying_5_minutes -

Great for high-fidelity, curated flying and hovering sounds.

Pixabay Music hosts a 16-minute "Helicopter Flight recorded from inside" for a first-person perspective. Quick Download Sites (Royalty-Free) helicopter_sound_effect_flying_5_minutes

Offers hundreds of clips, including some looping files that can be easily extended to 5 minutes. Great for high-fidelity, curated flying and hovering sounds