MDA has various meanings in the Aviation category. Discover the full forms, definitions, and usage contexts of MDA in Aviation.
A specified altitude in a non-precision approach or circling approach below which descent must not be made without the required visual reference.
AviationIs a specified lowest height or altitude in the approach descent at which, if the required visual reference to continue the approach (such as the runway markings or runway environment) is not visible to the pilot, the pilot must initiate a missed approach.
AviationLast updated: