helicopter

aerodrome

air

air battle

ambient

army

aviation

battlefield

chopper

copter

environment

flight

flying

helicopter noise

helicopter passing

military

noise

realistic

rotorcraft

sfx

sound

sound effects

urban

war

transport

aeroport

airport

military helicopter

weapons

rotor blades

calm

confident

determined

discovery

dreamy

driving

elegant

quiet

proud

positive

patriotic

mechanical

light

relaxed

strange

travel

video game

warfare

war sounds

seamless looping