[Code of Federal Regulations]
[Title 14, Volume 1]
[Revised as of January 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 14CFR27.397]

[Page 570]
 
                     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]