[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: 14CFR27.397]



[Page 579]

 

                     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. 27.397  Limit pilot forces and torques.



    (a) Except as provided in paragraph (b) of this section, the limit 

pilot forces are as follows:

    (1) For foot controls, 130 pounds.

    (2) For stick controls, 100 pounds fore and aft, and 67 pounds 

laterally.

    (b) For flap, tab, stabilizer, rotor brake, and landing gear 

operating controls, the follows apply (R=radius in inches):

    (1) Crank, wheel, and lever controls, [1+R]/3 x 50 pounds, but not 

less than 50 pounds nor more than 100 pounds for hand operated controls 

or 130 pounds for foot operated controls, applied at any angle within 20 

degrees of the plane of motion of the control.

    (2) Twist controls, 80R inch-pounds.



[Amdt. 27-11, 41 FR 55469, Dec. 20, 1976, as amended by Amdt. 27-40, 66 

FR 23538, May 9, 2001]