93 

Federal Aviation Administration, DOT 

§ 121.153 

such personnel are performing their as-
signed duties. The information and in-
structions contained in the manual 
must be displayed clearly and be re-
trievable in the English language. 

[Docket No. FAA–2022–0912; Amdt. No. 121– 
388, 88 FR 34443, May 30, 2023] 

§ 121.141 Airplane flight manual. 

(a) Each certificate holder shall keep 

a current approved airplane flight man-
ual for each type of airplane that it op-
erates except for nontransport cat-
egory airplanes certificated before Jan-
uary 1, 1965. 

(b) In each airplane required to have 

an airplane flight manual in paragraph 
(a) of this section, the certificate hold-
er shall carry either the manual re-
quired by § 121.133, if it contains the in-
formation required for the applicable 
flight manual and this information is 
clearly identified as flight manual re-
quirements, or an approved Airplane 
Manual. If the certificate holder elects 
to carry the manual required by 
§ 121.133, the certificate holder may re-
vise the operating procedures sections 
and modify the presentation of per-
formance data from the applicable 
flight manual if the revised operating 
procedures and modified performance 
date presentation are— 

(1) Approved by the Administrator; 

and 

(2) Clearly identified as airplane 

flight manual requirements. 

[Doc. No. 28154, 60 FR 65927, Dec. 20, 1995] 

Subpart H—Aircraft Requirements 

S

OURCE

: Docket No. 6258, 29 FR 19197, Dec. 

31, 1964, unless otherwise noted. 

§ 121.151 Applicability. 

This subpart prescribes aircraft re-

quirements for all certificate holders. 

§ 121.153 Aircraft requirements: Gen-

eral. 

(a) Except as provided in paragraph 

(c) of this section, no certificate holder 
may operate an aircraft unless that 
aircraft— 

(1) Is registered as a civil aircraft of 

the United States and carries an appro-
priate 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) A certificate holder may use an 

approved weight and balance control 
system based on average, assumed, or 
estimated weight to comply with appli-
cable airworthiness requirements and 
operating limitations. 

(c) A certificate holder may operate 

in common carriage, and for the car-
riage of mail, a civil aircraft which is 
leased or chartered to it without crew 
and is registered in a country which is 
a party to the Convention on Inter-
national Civil Aviation if— 

(1) The aircraft carries an appro-

priate airworthiness certificate issued 
by the country of registration and 
meets the registration and identifica-
tion requirements of that country; 

(2) The aircraft is of a type design 

which is approved under a U.S. type 
certificate and complies with all of the 
requirements of this chapter (14 CFR 
Chapter 1) that would be applicable to 
that aircraft were it registered in the 
United States, including the require-
ments which must be met for issuance 
of a U.S. standard airworthiness cer-
tificate (including type design con-
formity, condition for safe operation, 
and the noise, fuel venting, and engine 
emission requirements of this chapter), 
except that a U.S. registration certifi-
cate and a U.S. standard airworthiness 
certificate will not be issued for the 
aircraft; 

(3) The aircraft is operated by U.S.- 

certificated airmen employed by the 
certificate holder; and 

(4) The certificate holder files a copy 

of the aircraft lease or charter agree-
ment with the FAA Aircraft Registry, 
Department of Transportation, 6400 
South MacArthur Boulevard, Okla-
homa City, OK (Mailing address: P.O. 
Box 25504, Oklahoma City, OK 73125). 

[Doc. No. 6258, 29 FR 19197, Dec. 31, 1964, as 
amended by Amdt. 121–165, 45 FR 68649, Oct. 
16, 1980]