§ Mr. Hayhoeasked the Secretary of State for Trade and Industry what estimates have been made of the noise levels produced at take off and at landing by the latest versions of the DC8, BAC111 and Trident aircraft, respectively.
§ Mr. NobleThe following are the estimated noise levels measured at the distances prescribed for satisfaction our noise certification requirements:
Take-off EPNdB Landing EPNdB DC8–62/63 112 114 Trident III 104 110 BAC 1–11 102 106