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Electronic Flight Displays (EFD) / Multi-Function Display (MFD) Weather

in Aviation Weather Services

Many aircraft manufacturers now include satellite weather services with new electronic flight display (EFD) systems. EFDs give a pilot access to many of the satellite weather services available.

Products available to a pilot on the display pictured in Figure 12-21 are listed as follows. The letters in parentheses indicate the soft key to press in order to access the data.

Figure 12-21. Information page.

Figure 12-21. Information page.

  • Graphical NEXRAD data (NEXRAD)
  • Graphical METAR data (METAR)
  • Textual METAR data
  • Textual terminal aerodrome forecasts (TAF)
  • City forecast data
  • Graphical wind data (WIND)
  • Graphical echo tops (ECHO TOPS)
  • Graphical cloud tops (CLD TOPS)
  • Graphical lightning strikes (LTNG)
  • Graphical storm cell movement (CELL MOV)
  • NEXRAD radar coverage (information displayed with the NEXRAD data)
  • Surface analysis to include city forecasts (SFC)
  • County warnings (COUNTY)
  • Freezing levels (FRZ LVL)
  • Hurricane track (CYCLONE)
  • Temporary flight restrictions (TFR)

Pilots must be familiar with any EFD or MFD used and the satellite weather products available on the display.

Weather Products Age and Expiration

The information displayed using a satellite weather link is near real time but should not be thought of as instantaneous up-to-date information. Each type of weather display is stamped with the age information on the MFD. The time is referenced from Zulu when the information was assembled at the ground station. The age should not be assumed to be the time when the FIS received the information from the satellite.

Two types of weather are displayed on the screen: “current” weather and forecast data. Current information is displayed by an age while the forecast data has a data stamp in the form of “__ / __ __ : __”. [Figure 12-22]

Figure 12-22. List of weather products and the expiration times of each.

Figure 12-22. List of weather products and the expiration times of each.



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