What does MCA mean in Transportation?
This page is about the meanings of the acronym/abbreviation/shorthand MCA in the Governmental field in general and in the Transportation terminology in particular.
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What does MCA mean?
- Minimum crossing altitude
- In aviation, a minimum crossing altitude, or MCA, is the lowest altitude at which a navigational fix can be crossed when entering or continuing along an airway that will allow an aircraft to clear all obstacles while carrying out a normal climb to the required minimum en route IFR altitude of the airway in question beyond the fix. The definition given here concerns primarily United States airspace; procedures and practices may vary in other countries.