[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: 14CFR36.9]



[Page 818]

 

                     TITLE 14--AERONAUTICS AND SPACE

 

CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION

 

PART 36_NOISE STANDARDS: AIRCRAFT TYPE AND AIRWORTHINESS CERTIFICATION

--Table of Contents

 

                            Subpart A_General

 

Sec. 36.9  Acoustical change: Propeller-driven small airplanes and 

propeller-driven commuter category airplanes.



    For propeller-driven small airplanes in the primary, normal, 

utility, acrobatic, transport, and restricted categories and for 

propeller-driven, commuter category airplanes for which an acoustical 

change approval is applied for under Sec. 21.93(b) of this chapter 

after January 1, 1975, the following apply:

    (a) If the airplane was type certificated under this part prior to a 

change in type design, it may not subsequently exceed the noise limits 

specified in Sec. 36.501 of this part.

    (b) If the airplane was not type certificated under this part prior 

to a change in type design, it may not exceed the higher of the two 

following values:

    (1) The noise limit specified in Sec. 36.501 of this part, or

    (2) The noise level created prior to the change in type design, 

measured and corrected as prescribed in Sec. 36.501 of this part.



[Amdt. 36-16, 53 FR 47400, Nov. 22, 1988; 53 FR 50157, Dec. 13, 1988; 

Amdt. 36-19, 57 FR 41369, Sept. 9, 1992]