Unlike the piston engined aircraft (such as the Douglas DC-6 and the Lockheed Constellation) commonly flown by North American airlines, the Viscount was a quiet aircraft whose engines produced a minimum of vibration.
A diferenza dos avións con motores de pistóns (como o Douglas DC-6 e o Lockheed Constellation) habituais nas aeroliñas norteamericanas, o Viscount era un avión silencioso con motores que producían moitas menos vibracións.