Code of Federal Regulations

Title 14 - Aeronautics and Space
Volume: 2Date: 2021-01-01Original Date: 2021-01-01Title: Section § 91.181 - Course to be flown.Context: Title 14 - Aeronautics and Space. CHAPTER I - FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (CONTINUED). SUBCHAPTER F - AIR TRAFFIC AND GENERAL OPERATING RULES. PART 91 - GENERAL OPERATING AND FLIGHT RULES. Subpart B - Flight Rules. - Instrument Flight Rules.
§ 91.181 Course to be flown. Unless otherwise authorized by ATC, no person may operate an aircraft within controlled airspace under IFR except as follows: (a) On an ATS route, along the centerline of that airway. (b) On any other route, along the direct course between the navigational aids or fixes defining that route. However, this section does not prohibit maneuvering the aircraft to pass well clear of other air traffic or the maneuvering of the aircraft in VFR conditions to clear the intended flight path both before and during climb or descent. [Doc. No. 18334, 54 FR 34294, Aug. 18, 1989, as amended by Amdt. 91-296, 72 FR 31679, June 7, 2007]