Soundproofing: Affordable, Effective
It’s no news to anyone that general aviation airplane cabins are loud. After all, the engines have minimal mufflers, the thin aluminum skins vibrate like a drum, the exhaust exits ahead of the cabin, the tail cone is shaped like a loudspeaker aimed at the occupants, the windows are thin, the prop tips are moving at a high percentage of Mach and the manufacturer’s sound insulation is minimal.