747 Navigation Display
Symbology Key Descriptions, Chart 1
by jerome meriweather
   

Chart 1 - Chart 2 - Chart 3

GREEN (G) - Engaged flight mode displays, dynamic conditions
WHITE (W) - Present status situation, scales, armed flight mode displays
MAGENTA (M) - Command information, pointers, symbols, fly-to condition
BLUE (B) - Non-active or background information
RED (R) - Warning
AMBER (A) - Caution information, faults, flags


Symbol Name Mode Description
GS Ground speed (W) All Current groundspeed
TAS True Airspeed (W) All Current true airspeed displayed above 100 knots.
ETA Active Waypoint ETA (W) MAP, MAP CTR, PLN Indicates FMC calculated ETA to active waypoint based on current ground speed.
Wayptr Active Waypoint Identifier (W) MAP, MAP CTR, PLN Indicates the active flight plan waypoint (the next waypoint on the route of flight).
Receiver Receiver Reference (G) VOR, VOR CTR, APP, APP CTR Indicates the selected receiver as the display reference.
Freq ILS (W) /VOR (G) reference receiver frequency or VOR identifier display (G) VOR, VOR CTR, APP, APP CTR, MAP, MAP CTR Frequency displayed before identifier is decoded. Decoded identifier replaces the frequency.
NM Distance to active waypoint (W) MAP, MAP CTR, PLN Distance to active waypoint (W)
DME DME Distance (W) VOR, VOR CTR, APP, APP CTR, MAP, MAP CTR Indicates distance to the reference navaid.
Wind Ptr Wind Bearing/Speed (W) And Direction Arrow (W) All Indicates wind bearing, wind speed in knots, and wind direction with respect to display orientation and heading/track reference.
Course Reference ILS or VOR Course (W) VOR, VOR CTR, APP, APP CTR Indicates VOR or ILS localizer course.
TRK/MAG Track orientation (G), current track (W) and track reference (G) MAP, MAP CTR Box displays actual track.
HDG/MAG Heading orientation (G), current heading (W), heading reference (G) VOR, VOR CTR, APP, APP CTR Indicates number under pointer is a heading. Box displays actual heading.
MAG/TRU Heading/track reference (G) All Indicates heading/track is referenced to magnetic north or true north. Switching from TRU to MAG displays a box around the MAG for 10 seconds.
Compass Expanded compass MAP, APP, VOR, PLAN 360° are available but only approximately 900 are displayed.
Pointer Current heading pointer MAP, APP, VOR, PLAN Points to current heading when selected mode has track orientation.
VOR Left Left VOR (G) or ADF (B) MAP, MAP CTR Indicates bearing to (head) or from (tail) the tuned station, if selected on the respective EFIS control panel. text
VOR Right Right VOR (G) or ADF (B)
Track Line Present Track line and range scale (W) MAP, MAP CTR, VOR, APP Displays current track resulting from current heading and winds; displayed in VOR or APP modes when WX radar is selected.
ARPT ID RW Airport identifier and runway (W) MAP, MAP CTR, PLAN Displayed when selected as the origin or destination and ND range is 80, 160, 320 or 640 NM.
Airport Airport (B) MAP, MAP CTR Displayed if the EFIS control panel ARPT MAP switch is selected on. Origin and destination airports are always displayed, regardless of map switch selection.
ARPT RW Airport and runway (W) MAP, MAP CTR, PLN Displayed when selected as the origin or destination and ND range is 10, 20, or 40 INIM. Dashed runway centerlines extend 14.2 NM.
wayptr Waypoint: active (M), inactive (W) MAP, MAP CTR, PLN Active represents the waypoint the airplane is currently navigating to. Inactive represents the waypoints on the active route.
Off RTE Off route waypoint (B) MAP CTR, PLN When the EFIS control panel WPT MAP switch is selected on, waypoints not on the selected route are displayed, in ND ranges of 10, 20, or 40.
PLN RTE Flight plan route: active (M), modified (W), inactive (B) MAP, MAP CTR, PLN The active route is displayed with a continuous line (M) between waypoints. Active route modifications are displayed with short dashes (W) between waypoints. Inactive routes are displayed with long dashes (B) between waypoints.