Description: Police helicopter passes by while circling. Stereo.

Description: Military copter distant by with strong clean thwops.

Description: Strong, well defined thwops coming closer and louder. Cuts off at touch down. Stereo.

Description: Razor sharp military quality helicopter blade spinning at a steady speed. Stereo.

Description: authentic b-17 flies by with a mighty roar.

Description: Police car, siren blaring crosses busy intersection. Stereo

Description: Short in to slow close descent. Then touch down on landing platform. Engine slowly spins down.

Description: Resonant, long pass by of a subway underground.

Description: Rhythmic hissing of an old tractor engine starting up. Stereo.

Description: Close recording with nice tone and stereo spread. Typical steady honking. Elantra 2008.