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Aviation Dictionary

Minimum obstruction clearance altitude (MOCA)

The lowest published altitude in effect between radio fixes on VOR airways, off-airway routes, or route segments, which meets obstacle clearance requirements for the entire route segment and which ensures acceptable nav…

Dictionary Term

Minimum obstruction clearance altitude (MOCA)

Definition

  • The lowest published altitude in effect between radio fixes on VOR airways, off-airway routes, or route segments, which meets obstacle clearance requirements for the entire route segment and which ensures acceptable navigational signal coverage only

References

  • Instrument Procedures Handbook · Federal Aviation Administration · 2017