The amber G/S flag replaces the glideslopeĭeviation scale and pointer when the glideslope receiver fails. Scale and indicator with the amber LOC flag when the localizer If the ILS ground station transmits a morse coded station identifier, the letter identifier replaces the numeric frequency when the receiver captures the ground station signal.įor invalid ILS data, the CDS replaces the localizer deviation The ILS frequency display shows the active ILS frequency and the selected course. To the right of the NAV data source is the active ILS frequency display. It shows the source of the data for the ILS displays. The NAV data source shows in white at the upper right corner of the display. The localizer deviation indicator shows the deviation to the left or right of the runway centerline. One dot is equal to 1 degree of deviation. The deviation scale is the standard four dot scale. The localizer scale is white and the localizer deviation indicator is magenta. The localizer deviation indicator and scale shows at the bottom of the NAV display. For ILS, you use the DFCS MCP course selector to enter the ILS course (airport runway heading). The course pointer points to the number that you set on the DFCS MCP. The glideslope deviation pointer gives fly-to signals to intercept the glideslope beam. The glideslope scale is the standard four dot scale where each dot equals 0.35 degrees of deviation.

The glideslope deviation pointer is magenta and the scale is white. The glideslope deviation pointer and scale show at the right of the NAV display. You must also tune a valid ILS frequency on the NAV control panel. To show ILS displays on the CDS, set the EFIS control panel mode selector to the APP position. Scale when the glideslope receiver function has a failure. TheĪmber G/S flag replaces the glideslope deviation pointer and The amber LOC flag replaces the localizer deviation pointerĪnd scale when the localizer receiver function has a failure. When the ILS data goes to an NCD condition, the CDS shows the localizer and glideslope scales and removes the pointers. It touches the airplane symbol when the radio altitude is 0 or at touchdown. The symbol starts to move when the radio altitude is 200 feet. It moves laterally with the localizer deviation pointer to show localizer deviation. The rising runway symbol represents the radio altitude above the runway. The rising runway symbol is green with a magenta stem. The symbol goes out of view above 2500 feet.

The rising runway shows when there is a LOC signal capture and the radio altitude is below 2500 feet. If the ILS ground station transmits a morse coded station identifier, the stations letter identifier replaces the numeric frequency display when the receiver captures the signal. The ILS station frequency and course show above and to the right of the ADI. There is no expanded scale for glideslope deviation. The glideslope scale shows in white and the glideslope pointer shows in magenta. The pointer gives fly-to commands to intercept the glideslope beam. One dot equals 0.35 degrees of deviation. The glideslope deviation pointer and scale show to the right of the attitude display. ILS course and the airplane track are within 5 degrees of each other.

The expanded scale shows for these conditions: The white expanded scale goes to amber and flashes when the autopilot sends an ILS deviation warning. For the expanded scale, each dot equals 0.5 degrees of deviation. A two-dot expanded scale can replace the four-dot scale. The localizer scale can show the standard display or the expanded scale. The localizer scale shows in white and the localizer pointer shows in magenta. The deviation indication shows deviation to the left or right of the runway centerline. The localizer deviation pointer and scale show at the bottom of the attitude display. To show ILS displays on the ADI you must tune a valid ILS frequency on the NAV control panel and select it to the active display window. When the ILS data is no computed data (NCD) for localizer or glideslope data, the related deviation bar goes out of view. When the indicator receives invalid ILS data, the localizer or glideslope deviation bars go out of view and the glideslope flag or localizer flag shows. When you select B/CRS, the localizer deviation bar reverses polarity for the approach display and the glideslope deviation bar goes out of view. When the selector is in the APP position, the localizer and glideslope deviation bars show. When the selector is in the OFF position, the localizer and glideslope deviation bars do not show.

B/CRS - back course ILS localizer data shows.

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