IFR military training routes (IR)

{
  "id": "MLC-T-AVN-000504",
  "term": "IFR military training routes (IR)",
  "field": "Aviation and air traffic control",
  "definition": "Routes used by the Department of Defense and associated Reserve and Air Guard units for the purpose of conducting low-altitude navigation and tactical training in both IFR and VFR weather conditions below 10,000 feet MSL at airspeeds in excess of 250 knots IAS.",
  "abbreviation": "IR",
  "references": [
    "FAA Pilot/Controller Glossary"
  ],
  "url": "https://mlchart.com/terminology/aviation/ifr-military-training-routes-ir/"
}