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SAE AIR902 Rev A

Determination of Distance from Ground Observer to Aircraft for Acoustic Tests
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SAE AIR902 Rev A

Determination of Distance from Ground Observer to Aircraft for Acoustic Tests

PUBLISH DATE 2022
PAGES 24
SAE AIR902 Rev A
This document describes a practical system for a user to determine observer-to-aircraft distances. These observer-to-aircraft distances can be either closest point of approach (CPA) distances during field measurements or overhead distances during acoustic certification tests. The system uses a digital camera to record an image of the subject aircraft. A method of using commercial software to obtain the distance from such an image is presented. Potential issues which may affect accuracy are discussed.
SDO SAE: SAE International
Document Number AIR902
Publication Date Nov. 18, 2022
Language en - English
Page Count 24
Revision Level A
Supercedes
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