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SAE ARP794 Revision A, July 2001
Complete Document
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Airstream Deviation Instrument (ADI)
Includes all amendments and changes through Reaffirmation Notice , February 2008
Page Count:17
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AIA/NAS Aerospace Standards
This recommended practice covers an instrument which measures and displays angle of deviation of the airstream dependent on mounting location on the aircraft.


This Aerospace Recommended Practice recommends the industry standards for an Airstream Deviation Instrument primarily for use with turbine-powered, subsonic transport aircraft, the operation of which may subject the instruments to the environmental conditions specified in Paragraph 3.4.