320 

14 CFR Ch. I (1–1–19 Edition) 

§ 125.91 

elects, the certificate holder may re-
vise the operating procedures sections 
and modify the presentation of per-
formance from the applicable Airplane 
Flight Manual if the revised operating 
procedures and modified performance 
data presentation are approved by the 
Administrator. 

Subpart D—Airplane Requirements 

§ 125.91

Airplane requirements: Gen-

eral. 

(a) No certificate holder may operate 

an airplane governed by this part un-
less it— 

(1) Carries an appropriate current 

airworthiness certificate issued under 
this chapter; and 

(2) Is in an airworthy condition and 

meets the applicable airworthiness re-
quirements of this chapter, including 
those relating to identification and 
equipment. 

(b) No person may operate an air-

plane unless the current empty weight 
and center of gravity are calculated 
from the values established by actual 
weighing of the airplane within the 
preceding 36 calendar months. 

(c) Paragraph (b) of this section does 

not apply to airplanes issued an origi-
nal airworthiness certificate within the 
preceding 36 calendar months. 

§ 125.93

Airplane limitations. 

No certificate holder may operate a 

land airplane (other than a DC–3, C–46, 
CV–240, CV–340, CV–440, CV–580, CV–600, 
CV–640, or Martin 404) in an extended 
overwater operation unless it is certifi-
cated or approved as adequate for 
ditching under the ditching provisions 
of part 25 of this chapter. 

Subpart E—Special Airworthiness 

Requirements 

§ 125.111

General. 

(a) Except as provided in paragraph 

(b) of this section, no certificate holder 
may use an airplane powered by air-
plane engines rated at more than 600 
horsepower each for maximum contin-
uous operation unless that airplane 
meets the requirements of §§ 125.113 
through 125.181. 

(b) If the Administrator determines 

that, for a particular model of airplane 
used in cargo service, literal compli-
ance with any requirement under para-
graph (a) of this section would be ex-
tremely difficult and that compliance 
would not contribute materially to the 
objective sought, the Administrator 
may require compliance with only 
those requirements that are necessary 
to accomplish the basic objectives of 
this part. 

(c) This section does not apply to any 

airplane certificated under— 

(1) Part 4b of the Civil Air Regula-

tions in effect after October 31, 1946; 

(2) Part 25 of this chapter; or 
(3) Special Civil Air Regulation 422, 

422A, or 422B. 

§ 125.113

Cabin interiors. 

(a) Upon the first major overhaul of 

an airplane cabin or refurbishing of the 
cabin interior, all materials in each 
compartment used by the crew or pas-
sengers that do not meet the following 
requirements must be replaced with 
materials that meet these require-
ments: 

(1) For an airplane for which the ap-

plication for the type certificate was 
filed prior to May 1, 1972, § 25.853 in ef-
fect on April 30, 1972. 

(2) For an airplane for which the ap-

plication for the type certificate was 
filed on or after May 1, 1972, the mate-
rials requirement under which the air-
plane was type certificated. 

(b) Except as provided in paragraph 

(a) of this section, each compartment 
used by the crew or passengers must 
meet the following requirements: 

(1) Materials must be at least flash 

resistant. 

(2) The wall and ceiling linings and 

the covering of upholstering, floors, 
and furnishings must be flame resist-
ant. 

(3) Each compartment where smok-

ing is to be allowed must be equipped 
with self-contained ash trays that are 
completely removable and other com-
partments must be placarded against 
smoking. 

(4) Each receptacle for used towels, 

papers, and wastes must be of fire-re-
sistant material and must have a cover 
or other means of containing possible 
fires started in the receptacles. 

VerDate Sep<11>2014 

08:20 May 17, 2019

Jkt 247048

PO 00000

Frm 00330

Fmt 8010

Sfmt 8002

Y:\SGML\247048.XXX

247048