Revision A, April 1999
Altitude Alerting Devices and Systems
Includes all amendments and changes through Reaffirmation Notice , February 2008
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Description / Abstract:
This SAE Aerospace Recommended Practice (ARP) provides
performance criteria for Altitude Alerting Devices and Systems.
These devices can be self-contained or receive remote altitude
information and can have integral or remote barometric corrections.
Only the generation of the alerting signals is covered by this
recommended practice and not the details of the visual or audio
alerts operated by these signals. It is recommended that the
system's operational correspondence between the selected altitude
settings of the Altitude Alerting Device and the Altitude Level
Indication normally used to control the aircraft should not exceed
±250 ft RSS throughout the operating range of the device.