SAE AIR902A

SAE AIR902A – Determination of Distance from Ground Observer to Aircraft for Acoustic Tests

SAE AIR902A describes a practical system for a user to determine observer-to-aircraft distances. These observer-toaircraftdistances can be either closest point of approach (CPA) distances during field measurements or overhead distancesduring acoustic certification tests. The system uses a digital camera to record an image of the subject aircraft. A method ofusing commercial software to obtain the distance from such an image is presented. Potential issues which may affectaccuracy are discussed.

Product Details

Published:

11/18/2022

Number of Pages:

24

File Size:

1 file 1 MB

Note:

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