[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: 14CFR23.61]

[Page 182]
 
                     TITLE 14--AERONAUTICS AND SPACE
 
CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
 
PART 23--AIRWORTHINESS STANDARDS: NORMAL, UTILITY, ACROBATIC, AND COMMUTER 
CATEGORY AIRPLANES--Table of Contents
 
                            Subpart B--Flight
 
Sec. 23.61  Takeoff flight path.

    For each commuter category airplane, the takeoff flight path must be 
determined as follows:
    (a) The takeoff flight path begins 35 feet above the takeoff surface 
at the end of the takeoff distance determined in accordance with 
Sec. 23.59.
    (b) The net takeoff flight path data must be determined so that they 
represent the actual takeoff flight paths, as determined in accordance 
with Sec. 23.57 and with paragraph (a) of this section, reduced at each 
point by a gradient of climb equal to--
    (1) 0.8 percent for two-engine airplanes;
    (2) 0.9 percent for three-engine airplanes; and
    (3) 1.0 percent for four-engine airplanes.
    (c) The prescribed reduction in climb gradient may be applied as an 
equivalent reduction in acceleration along that part of the takeoff 
flight path at which the airplane is accelerated in level flight.

[Amdt. 23-34, 52 FR 1827, Jan. 15, 1987]