Abstract

“Noise budgets” offer air carrier airports a means for achieving noise control without imposing rigid restrictions of numbers of operations or types of aircraft. This paper describes the application of noise budget concepts to actual administration of operations at a medium size air carrier airport. The airport's noise budget is based upon consideration of the noise‐incompatible land use areas within a specified community noise equivalent level (CNEL) contour. However, budget controls for air carriers are expressed in terms of the “equivalent numbers of operations” where the equivalent number is based upon the number of opertions per day, evening, and night periods and the relative noise levels produced by different aircraft. The relative noise levels are derived from data from the airport's permanent noise monitoring system. Samples of the budget analyses that are undertaken to evaluate changes in air carrier schedules will be presented.

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