[Code of Federal Regulations]
[Title 14, Volume 1]
[Revised as of January 1, 2007]
From the U.S. Government Printing Office via GPO Access
[CITE: 14CFR27.411]

[Page 582-583]
 
                     TITLE 14--AERONAUTICS AND SPACE
 
CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
 
PART 27_AIRWORTHINESS STANDARDS: NORMAL CATEGORY ROTORCRAFT--Table 
of Contents
 
                     Subpart C_Strength Requirements
 
Sec.  27.411  Ground clearance: tail rotor guard.

    (a) It must be impossible for the tail rotor to contact the landing 
surface during a normal landing.
    (b) If a tail rotor guard is required to show compliance with 
paragraph (a) of this section--
    (1) Suitable design loads must be established for the guard; and

[[Page 583]]

    (2) The guard and its supporting structure must be designed to 
withstand those loads.