Legend (FutureSelwyn/Airport)

CCC International Airport (271) Airport 50 dB Ldn Noise Control Overlay (172) Airport 55 dB Ldn Noise Control Overlay (276) 50dBA Ldn (273) 55dBA Ldn (281) 65dBA Ldn (278) Outer_Envelope_Air_Noise_Boundary_Aug_2023 (272) 50dBA Ldn (275) 55dBA Ldn (284) 65dBA Ldn (280) Annual Average Air Noise Boundary (ANB) (274)