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14 CFR Ch. I (1–1–14 Edition) 

§ 23.1583 

the applicant, or in a folder, or in any 
other permanent binder. 

(c) The units used in the Airplane 

Flight Manual must be the same as 
those marked on the appropriate in-
struments and placards. 

(d) All Airplane Flight Manual oper-

ational airspeeds, unless otherwise 
specified, must be presented as indi-
cated airspeeds. 

(e) Provision must be made for stow-

ing the Airplane Flight Manual in a 
suitable fixed container which is read-
ily accessible to the pilot. 

(f) 

Revisions and amendments. Each 

Airplane Flight Manual (AFM) must 
contain a means for recording the in-
corporation of revisions and amend-
ments. 

[Amdt. 23–21, 43 FR 2319, Jan. 16, 1978, as 
amended by Amdt. 23–34, 52 FR 1834, Jan. 15, 
1987; Amdt. 23–45, 58 FR 42166, Aug. 6, 1993; 
Amdt. 23–50, 61 FR 5193, Feb. 9, 1996] 

§ 23.1583

Operating limitations. 

The Airplane Flight Manual must 

contain operating limitations deter-
mined under this part 23, including the 
following— 

(a) 

Airspeed limitations. The following 

information must be furnished: 

(1) Information necessary for the 

marking of the airspeed limits on the 
indicator as required in § 23.1545, and 
the significance of each of those limits 
and of the color coding used on the in-
dicator. 

(2) The speeds V

MC

, V

O

, V

LE

, and V

LO

if established, and their significance. 

(3) In addition, for turbine powered 

commuter category airplanes— 

(i) The maximum operating limit 

speed, V

MO

/M

MO

and a statement that 

this speed must not be deliberately ex-
ceeded in any regime of flight (climb, 
cruise or descent) unless a higher speed 
is authorized for flight test or pilot 
training; 

(ii) If an airspeed limitation is based 

upon compressibility effects, a state-
ment to this effect and information as 
to any symptoms, the probable behav-
ior of the airplane, and the rec-
ommended recovery procedures; and 

(iii) The airspeed limits must be 

shown in terms of V

MO

/M

MO

instead of 

V

NO

and V

NE

(b) 

Powerplant limitations. The fol-

lowing information must be furnished: 

(1) Limitations required by § 23.1521. 
(2) Explanation of the limitations, 

when appropriate. 

(3) Information necessary for mark-

ing the instruments required by 
§ 23.1549 through § 23.1553. 

(c) 

Weight.  The airplane flight man-

ual must include— 

(1) The maximum weight; and 
(2) The maximum landing weight, if 

the design landing weight selected by 
the applicant is less than the max-
imum weight. 

(3) For reciprocating engine-powered 

airplanes of more than 6,000 pounds 
maximum weight, single-engine tur-
bines, and multiengine jets 6,000 
pounds or less maximum weight in the 
normal, utility, and acrobatic cat-
egory, performance operating limita-
tions as follows— 

(i) The maximum takeoff weight for 

each airport altitude and ambient tem-
perature within the range selected by 
the applicant at which the airplane 
complies with the climb requirements 
of § 23.63(c)(1). 

(ii) The maximum landing weight for 

each airport altitude and ambient tem-
perature within the range selected by 
the applicant at which the airplane 
complies with the climb requirements 
of § 23.63(c)(2). 

(4) For normal, utility, and acrobatic 

category multiengine jets over 6,000 
pounds and commuter category air-
planes, the maximum takeoff weight 
for each airport altitude and ambient 
temperature within the range selected 
by the applicant at which— 

(i) The airplane complies with the 

climb requirements of § 23.63(d)(1); and 

(ii) The accelerate-stop distance de-

termined under § 23.55 is equal to the 
available runway length plus the 
length of any stopway, if utilized; and 
either: 

(A) The takeoff distance determined 

under § 23.59(a) is equal to the available 
runway length; or 

(B) At the option of the applicant, 

the takeoff distance determined under 
§ 23.59(a) is equal to the available run-
way length plus the length of any 
clearway and the takeoff run deter-
mined under § 23.59(b) is equal to the 
available runway length. 

(5) For normal, utility, and acrobatic 

category multiengine jets over 6,000 

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