Abstract
A model and PC‐based computer program has been prepared to calculate noise levels along low‐altitude, high‐speed military training routes. The program is designed for use by environmental planning personnel who are familiar with MTR operations and with noise, but are not necessarily expert. The program provides options for selecting general types of operations (visual or instrument navigation), aircraft types and speeds, altitudes, and nominal track centerlines. Up to 20 track/altitude/aircraft types may be defined within a 20‐mi‐wide corridor. Aircraft on each track have a Gaussian lateral distribution about the centerline. The program contains nominal standard deviations based on the type of operations, or the user may specify a site‐specific value. Aircraft noise emission levels are derived from the USAF NOISEFILE database. The program calculates Leq, Ldn, and Ldnmr, where Ldnmr is Ldn with an adjustment to account for the onset rate of MTR aircraft noise. Program output is available in tabular form or in graphs suitable for inclusion in reports. [This work was sponsored by USAF AAMRL/BBE.]
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