[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: 14CFR23.65]



[Page 188]

 

                     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 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]