Code of Federal Regulations

Title 14 - Aeronautics and Space
Volume: 1Date: 2021-01-01Original Date: 2021-01-01Title: Section § 27.71 - Autorotation performance.Context: Title 14 - Aeronautics and Space. CHAPTER I - FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION. SUBCHAPTER C - AIRCRAFT. PART 27 - AIRWORTHINESS STANDARDS: NORMAL CATEGORY ROTORCRAFT. Subpart B - Flight. - Performance.
§ 27.71 Autorotation performance. For single-engine helicopters and multiengine helicopters that do not meet the Category A engine isolation requirements of Part 29 of this chapter, the minimum rate of descent airspeed and the best angle-of-glide airspeed must be determined in autorotation at— (a) Maximum weight; and (b) Rotor speed(s) selected by the applicant. [Amdt. 27-21, 49 FR 44433, Nov. 6, 1984]