This document has been declared NONCURRENT. It is recommended, therefore, that this document not be specified for new designs. NONCURRENT refers to those documents which have previously been widely referenced and may continue to be required on some existing designs.

This standard establishes essential minimum safe performance requirements for remote air data instruments for use with turbine powered subsonic transport type aircraft (exclusive of rotary wing aircraft), the operation of which may subject the instruments to the environmental conditions specified in paragraph 3.4 et seq.