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Minimum Aviation System Performance Standards for Aircraft ...

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3.4.2.5 Units of Measure<br />

The CDTI should portray data using units of measure that are consistent with the design<br />

of the flight deck in which it is installed.<br />

The CDTI shall (R3.xxx) portray all data using consistent units of measure and reference<br />

frames.<br />

3.4.2.6 In<strong>for</strong>mation Exchange with ASSAP<br />

The CDTI shall (R3.xxx) accept all in<strong>for</strong>mation provided to it by ASSAP.<br />

The CDTI shall (R3.xxx) provide ASSAP the in<strong>for</strong>mation needed <strong>for</strong> the activation and<br />

deactivation of <strong>for</strong>eground applications, including those that operate on specifically<br />

designated traffic.<br />

3.4.2.7 Traffic Symbols<br />

The CDTI shall (R3.xxx) display one traffic symbol <strong>for</strong> each traffic report received from<br />

ASSAP that meets the traffic display criteria <strong>for</strong> the active applications subject to the<br />

maximum number of traffic symbols.<br />

The CDTI shall (R3.xxx) be capable of displaying the minimum number of traffic<br />

symbols commensurate with the requirements of the installed applications.<br />

3.4.2.8 TCAS Integration<br />

On TCAS-integrated CDTI systems, the CDTI shall (R3.xxx) prioritize the display of<br />

TCAS in<strong>for</strong>mation in such a manner as to preserve the integrity of the safety objectives<br />

<strong>for</strong> TCAS.<br />

In order to provide more complete traffic situational awareness, the CDTI should, on<br />

aircraft also equipped with TCAS, integrate the display of TCAS in<strong>for</strong>mation.<br />

3.4.2.9 Multi-Function Display (MFD) Integration<br />

Symbols, colors, and other encoded in<strong>for</strong>mation that have a certain meaning in the traffic<br />

display function should not have a different meaning in another MFD function.<br />

The MFD system should provide the capability to enable and disable display of traffic<br />

in<strong>for</strong>mation (i.e., to overlay traffic or turn traffic in<strong>for</strong>mation off).<br />

3.4.2.10 Failure Annunciation<br />

The CDTI shall (R3.xxx) be capable of annunciating all failure / abnormal conditions of<br />

the CDTI or its inputs that affect the proper operation of the CDTI or the ability to<br />

conduct applications, including the loss of surveillance data needed <strong>for</strong> an application.<br />

© 20xx, RTCA, Inc.<br />

97

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