Description / Abstract:
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.