Description / Abstract:
This Aerospace Standard covers all automatic pressure altitude
code generating equipment manufactured under this standard and
complying with the requirements specified herein up to the maximum
range of pressure altitude as indicated on the equipment nameplate.
In those cases where the code generating equipment forms part of an
aircraft system, such as a pressure altimeter, an air data computer
or an ATC Transponder, this standard applies only to the code
generating equipment as defined in paragraph 1.2.