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Aviation Dictionary

Minimum descent altitude (MDA)

The lowest altitude (in feet MSL) to which descent is authorized on final approach, or during circle-to-land maneuvering in execution of a nonprecision approach.

Dictionary Term

Minimum descent altitude (MDA)

Definition

  • The lowest altitude (in feet MSL) to which descent is authorized on final approach, or during circle-to-land maneuvering in execution of a nonprecision approach.

References

  • Instrument Procedures Handbook · Federal Aviation Administration · 2017