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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.

Purpose:

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.