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Under EASA regulations color code rules for EFIS displays, what is the recommended color for the armed AFCS modes?
  • A
    Magenta
  • B
    Yellow
  • C
    White
  • D
    Green

Refer to figure.
Electronic Flight Instrument Systems (EFIS)
It is highly desirable to use standardized colour-coding of the information displayed on the EFIS screens. For this purpose, EASA has issued specific guidelines (EASA CS-25 AMC 25.11).

(i) Display features should be colour-coded as follows:

Engaged modes: Green
Flight envelope and system limits: Red
Sky: Cyan/Blue
Earth: Tan/Brown
ILS deviation pointer: Magenta
Flight Director bars: Magenta/Green
Warnings: Red
Cautions, abnormal sources: Amber/Yellow


(ii) Specified display features should be allocated colours from one of the following colour sets:

Colour Set 1Colour Set 2
Fixed reference symbolsWhiteYellow
Selected data, valuesGreenCyan
Current data, valuesWhiteGreen
Armed modesWhiteCyan
Selected headingMagentaCyan
Active route/flight planMagentaWhite

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