747 First Officer's Navigation Display ( ND )
Failure Indications and Flags
by jerome meriweather
   

Up to CRT Selector
Left to Landing Gear
Right to F/O PFD
Down to GND PROX

Navigation Display Symbology Key Charts
Chart 1
Chart 2
Chart 3

To View a Control's Description, MouseOver it and ...
Click to "Show" - MouseDown to "Drag" - DoubleClick to "Hide"
TRK/HDG Flag DMEL or DMER Excess Data MAP Flag G/S - VTK Flag RSTR INOP MAP/WXR Range Disagree ADFL/ADFR and VORl/VORR ADFL/ADFR and VORl/VORR DMEL or DMER DMEL or DMER VOR or ILS Localizer Flag
747 Photo and/or Graphic Element
  

 

 

VOR or ILS Localizer Flag
Indicates failure of the associated VOR and ILS.
DMEL or DMER
Indicates failure of the associated DME in the MAP, VOR and APP modes.
ADFL/ADFR and VORl/VORR
Indicates failure of the associated VOR or ADF in the MAP, VOR, APP modes.
MAP/WXR Range Disagree
Indicates selected Range and Range of display information Disagree. Map information is removed.
RSTR INOP
Indicates CRT overheat.
G/S - VTK Flag
Indicates glide slop failure in the APP mode or the vertical track data has failed in the MAP mode.
MAP Flag
Indicates failure of associated FMC generated MAP mode display.
Excess Data
Indicates Excessive data on ND. Some positions of WPT, ARPT or STA may be incorrect. Deselect WPT or STA to ensure accurate position display. Displayed in MAP and PLN modes.
DMEL or DMER
Failure of DME in VOR and APP modes.
TRK/HDG Flag
Indicates the Track data has failed in the MAP and PLN modes, or Heading data has failed in the VOR and APP modes.