Cessna 441 Conquest II — Performance

This document presents the Calendar Year 2019 CNEL (Community Noise Equivalent Level) contours for Santa Monica Municipal Airport (SMO). It details the methodology used to analyze airport noise exposure, including data from the airport's noise monitoring system and operational data from various aircraft types. The report is intended for stakeholders interested in understanding the noise impact of airport operations, including local residents and airport management. Key sections include an introduction to the noise exposure methodology, existing noise exposure data, and historical noise monitoring data, providing a comprehensive overview of the airport's noise environment during 2019.

• Total aircraft operations at SMO in 2019: 77,038 (3,064 jet, 70,680 propeller, 3,294 helicopter).
• Cessna 441 Conquest II operations: 1,147 in 2019.
• Noise monitoring system recorded CNEL levels ranging from 52.2 dB to 59.1 dB across six sites.
• The INM Version 7.0d was used for noise contour modeling.
• Daytime operations accounted for 92.9% of total operations.