Minimum obstruction clearance altitude (MOCA)

{
  "id": "MLC-T-AVN-000619",
  "term": "Minimum obstruction clearance altitude (MOCA)",
  "field": "Aviation and air traffic control",
  "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 assures acceptable navigational signal coverage only within 25 statute (22 nautical) miles of a VOR.",
  "abbreviation": "MOCA",
  "references": [
    "14 CFR part 91",
    "14 CFR part 95",
    "FAA Pilot/Controller Glossary"
  ],
  "url": "https://mlchart.com/terminology/aviation/minimum-obstruction-clearance-altitude-moca/"
}