Hughes 500: Start / Idle Interior; Start Engine Whine With Slow Swish Of Blades, Groaning And Roar Of Second Ignition, Steadily Rising Engine Whine, Wind Blowing, Sputtering Of Spinning Blades, Low, Growling Engine And Clearer Blade Sounds At End. Close Pe. Sound Effects and Royalty Free Sound Effects for Creative Audio Visual Projects Including YouTube, TV, Film, PowerPoint, Flash, and All Media.