[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: 14CFR23.65]

[Page 182-183]
 
                     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. 23.65  Climb: All engines operating.

    (a) Each normal, utility, and acrobatic category reciprocating 
engine-powered airplane of 6,000 pounds or less maximum weight must have 
a steady climb gradient at sea level of at least 8.3 percent for 
landplanes or 6.7 percet for seaplanes and amphibians with--
    (1) Not more than maximum continuous power on each engine;
    (2) The landing gear retracted;
    (3) The wing flaps in the takeoff position(s); and
    (4) A climb speed not less than the greater of 1.1 VMC 
and 1.2 VS1 for multiengine airplanes and not less than 1.2 
VS1 for single--engine airplanes.
    (b) Each normal, utility, and acrobatic category reciprocating 
engine-powered airplane of more than 6,000 pounds maximum weight and 
turbine engine-powered airplanes in the normal, utility, and acrobatic 
category

[[Page 183]]

must have a steady gradient of climb after takeoff of at least 4 percent 
with
    (1) Take off power on each engine;
    (2) The landing gear extended, except that if the landing gear can 
be retracted in not more than sven seconds, the test may be conducted 
with the gear retracted;
    (3) The wing flaps in the takeoff position(s); and
    (4) A climb speed as specified in Sec. 23.65(a)(4).

[Doc. No. 27807, 61 FR 5186, Feb. 9, 1996]