ATC clearance and flight plan required.

  1. Law
  2. CFR 14
  3. Aeronautics and Space
  4. Federal Aviation Administration, Department of Transportation
  5. Air Traffic and General Operating Rules
  6. General Operating and Flight Rules
  7. Flight Rules
  8. Instrument Flight Rules
  9. ATC clearance and flight plan required.

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§ 91.173 ATC clearance and flight plan required.

No person may operate an aircraft in controlled airspace under IFR unless that person has -

(a) Filed an IFR flight plan; and

(b) Received an appropriate ATC clearance.


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