【范围】
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This SAE Aerospace Recommended Practice (ARP) sets forth design and operational
recommendations concerning the human factors issues and criteria for cockpit display of traffic
information systems. The visual and aural characteristics are covered for both the alerting
components and traffic depiction/situation components. The display system may contain any one or a
combination of these components Although the system functionality assumed for this document
exemplifies fixed-wing aircraft implementation, the recommendations do not preclude other aircraft
types. The recommendations contained in this document address both near and far term technology
directed toward providing in flight traffic awareness, although the present version remains primarily
focused on near term applications. Since this document provides recommendations, the guidance is
provided in the form of “should” statements as opposed to the “shall” statements that appear in
standards and requirements.
The assumptions about the system that guided and bounded the recommendations contained in this
document include: the system is an airborne (flight deck based) system displaying traffic surveillance
information to the flight crew; multiple sources of surveillance data will be used, when available, to
provide the flight crew with the best available information; the system will have a human centered
design based on the “lessons learned” from past systems; the system is not intended to replace the
current Traffic Alert and Collision Avoidance (TCAS) function, but there will be a close relationship
between the CDTI and the alerting system since both use the same sensors, and the display of the
generated alerts and command information is generally considered a CDTI function; there will be pilot
in the loop/manual involvement in any flight path changes; information will be accessible by
appropriate flight crew members; the system will be based on the English language, but other
languages may have to be considered; the system will address all fixed wing airplane types; the
system will be operational full time in all airborne flight phases; the display function may be stand
alone or part of a multi-function display; initial design will provide for upgradability and expansion; it
will be properly integrated with other display functions and will not interfere with critical functions; the
system may be capable of presenting additional traffic outside the range and capability of TCAS; and
this document will not deal with the presentation of man made obstructions (e.g., towers or buildings)
even though they may be equipped with an ADS-B transmitter.strRefField
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