This Standard covers air data equipment (hereinafter designated the instrument) which when connected to sources of aircraft electrical power, static pressure, total pressure and outside air temperature (singly or in combination) provides some or all of the following computed air data output signals:

Pressure Altitude

*

Total Temperature *

Pressure Altitude (Reporting)

Altitude Rate

Baro-Corrected Pressure Altitude *

Overspeed Warning

Vertical Speed *

Altitude Hold

Computed Airspeed *

Airspeed Hold

Mach Number *

Mach Hold

Maximum Allowable Airspeed *

q c (impact pressure)

Static Air Temperature ( * when used as an alternate for total temperature)

True Airspeed Others