[Code of Federal Regulations]

[Title 14, Volume 1]

[Revised as of January 1, 2006]

From the U.S. Government Printing Office via GPO Access

[CITE: 14CFR35.21]



[Page 808-809]

 

                     TITLE 14--AERONAUTICS AND SPACE

 

CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION

 

PART 35_AIRWORTHINESS STANDARDS: PROPELLERS--Table of Contents

 

                    Subpart B_Design and Construction

 

Sec. 35.21  Reversible propellers.



    A reversible propeller must be adaptable for use with a reversing 

system in an airplane so that no single failure or malfunction in that 

system during normal or emergency operation will result in unwanted 

travel of the propeller blades to a position substantially below the 

normal flight low-pitch stop. Failure of structural elements need not be 

considered if the occurrence of such a failure is expected to be 

extremely



[[Page 809]]



remote. For the purposes of this section the term ``reversing system'' 

means that part of the complete reversing system that is in the 

propeller itself and those other parts that are supplied by the 

applicant for installation in the aircraft.