MD-900 (N900MH) Helicopter Noise Abatement Test - Crows Landing

MD-900 (N900MH) Helicopter Noise Abatement Test - Crows Landing, Microphones

MD-900 (N900MH) Helicopter Noise Abatement Test - Crows Landing, Microphones,

MD-900 (N900MH) Helicopter Noise Abatement Test - Crows Landing, Van

MD-900 (N900MH) Helicopter Noise Abatement Test - Crows Landing, Control Room with test evaluation crew

MD-900 (N900MH) Helicopter Noise Abatement Test - Crows Landing, Control Room with test evaluation crew

MD-900 (N900MH) Helicopter Noise Abatement Test - Crows Landing, Microphones, Van and balloon blimp (wind indicator)