918 

14 CFR Ch. I (1–1–14 Edition) 

§ 36.1501 

the issuance of a type certificate is 
made on or after March 11, 2013. 

(b) To demonstrate compliance with 

this part, noise levels may not exceed 
the noise limits listed in Appendix K, 
Section K4, Noise Limits of this part. 
Appendix K of this part (or an approved 
equivalent procedure) must also be 
used to evaluate and demonstrate com-
pliance with the approved test proce-
dures, and at the applicable noise 
measurement points. 

Subparts L–N [Reserved] 

Subpart O—Documentation, Op-

erating Limitations and Infor-
mation 

§ 36.1501

Procedures, noise levels and 

other information. 

(a) All procedures, weights, configu-

rations, and other information or data 
employed for obtaining the certified 
noise levels prescribed by this part, in-
cluding equivalent procedures used for 
flight, testing, and analysis, must be 
developed and approved. Noise levels 
achieved during type certification 
must be included in the approved air-
plane (rotorcraft) flight manual. 

(b) Where supplemental test data are 

approved for modification or extension 
of an existing flight data base, such as 
acoustic data from engine static tests 
used in the certification of acoustical 
changes, the test procedures, physical 
configuration, and other information 
and procedures that are employed for 
obtaining the supplemental data must 
be developed and approved. 

[Amdt. 36–15, 53 FR 16366, May 6, 1988] 

§ 36.1581

Manuals, markings, and plac-

ards. 

(a) If an Airplane Flight Manual or 

Rotorcraft Flight Manual is approved, 
the approved portion of the Airplane 
Flight Manual or Rotorcraft Flight 
Manual must contain the following in-
formation, in addition to that specified 
under § 36.1583 of this part. If an Air-
plane Flight Manual or Rotorcraft 
Flight Manual is not approved, the pro-
cedures and information must be fur-
nished in any combination of approved 
manual material, markings, and plac-
ards. 

(1) For transport category large air-

planes and jet airplanes, the noise level 
information must be one value for each 
flyover, lateral, and approach as de-
fined and required by appendix B of 
this part, along with the maximum 
takeoff weight, maximum landing 
weight, and configuration. 

(2) For propeller driven small air-

planes, the noise level information 
must be one value for takeoff as de-
fined and required by appendix G of 
this part, along with the maximum 
takeoff weight and configuration. 

(3) For rotorcraft, the noise level in-

formation must be one value for each 
takeoff, flyover, and approach as de-
fined and required by appendix H of 
this part, or one value for flyover as 
defined and required by appendix J of 
this part, at the maximum takeoff 
weight and configuration. 

(b) If supplemental operational noise 

level information is included in the ap-
proved portion of the Airplane Flight 
Manual, it must be segregated, identi-
fied as information in addition to the 
certificated noise levels, and clearly 
distinguished from the information re-
quired under § 36.1581(a). 

(c) The following statement must be 

furnished near the listed noise levels: 

No determination has been made by the Fed-
eral Aviation Administration that the noise 
levels of this aircraft are or should be ac-
ceptable or unacceptable for operation at, 
into, or out of, any airport. 

(d) For transport category large air-

planes and jet airplanes, for which the 
weight used in meeting the takeoff or 
landing noise requirements of this part 
is less than the maximum weight es-
tablished under the applicable air-
worthiness requirements, those lesser 
weights must be furnished, as oper-
ating limitations in the operating limi-
tations section of the Airplane Flight 
Manual. Further, the maximum takeoff 
weight must not exceed the takeoff 
weight that is most critical from a 
takeoff noise standpoint. 

(e) For propeller driven small air-

planes and for propeller-driven, com-
muter category airplanes for which the 
weight used in meeting the flyover 
noise requirements of this part is less 
than the maximum weight by an 
amount exceeding the amount of fuel 
needed to conduct the test, that lesser 

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