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Aviation Dictionary

Decision altitude (DA)

A specified altitude in the precision approach, charted in feet MSL, at which a missed approach must be initiated if the required visual reference to continue the approach has not been established.

Dictionary Term

Decision altitude (DA)

Definitions

  • A specified altitude in the precision approach, charted in feet MSL, at which a missed approach must be initiated if the required visual reference to continue the approach has not been established.
  • Is a specified altitude in an instrument approach procedure at which the pilot must decide whether to initiate an immediate missed approach if the pilot does not see the required visual reference, or to continue the approach. Decision altitude is expressed in feet above mean sea level.

References

  • 14 C.F.R. Part 1, Federal Aviation Administration, 2026
  • Instrument Procedures Handbook, Federal Aviation Administration, 2017