150 

14 CFR Ch. I (1–1–14 Edition) 

§ 21.121 

Subpart F—Production Under Type 

Certificate 

S

OURCE

: Docket No. 5085, 29 FR 14568, Oct. 

24, 1964, unless otherwise noted. 

§ 21.121

Applicability. 

This subpart prescribes rules for pro-

duction under a type certificate. 

§ 21.122

Location of or change to man-

ufacturing facilities. 

(a) A type certificate holder may uti-

lize manufacturing facilities located 
outside of the United States if the FAA 
finds no undue burden in administering 
the applicable requirements of Title 49 
U.S.C. and this subchapter. 

(b) The type certificate holder must 

obtain FAA approval before making 
any changes to the location of any of 
its manufacturing facilities. 

(c) The type certificate holder must 

immediately notify the FAA, in writ-
ing, of any change to the manufac-
turing facilities that may affect the in-
spection, conformity, or airworthiness 
of its product or article. 

[Doc. No. FAA–2006–25877, Amdt. 21–92, 74 FR 
53387, Oct. 16, 2009; Amdt. 21–92A, 75 FR 9095, 
Mar. 1, 2010] 

§ 21.123

Production under type certifi-

cate. 

Each manufacturer of a product 

being manufactured under a type cer-
tificate must— 

(a) Maintain at the place of manufac-

ture all information and data specified 
in §§ 21.31 and 21.41; 

(b) Make each product and article 

thereof available for inspection by the 
FAA; 

(c) Maintain records of the comple-

tion of all inspections and tests re-
quired by §§ 21.127, 21.128, and 21.129 for 
at least 5 years for the products and ar-
ticles thereof manufactured under the 
approval and at least 10 years for crit-
ical components identified under 
§ 45.15(c) of this chapter; 

(d) Allow the FAA to make any in-

spection or test, including any inspec-
tion or test at a supplier facility, nec-
essary to determine compliance with 
this subchapter; 

(e) Mark the product in accordance 

with part 45 of this chapter, including 
any critical parts; 

(f) Identify any portion of that prod-

uct (

e.g.,  sub-assemblies, component 

parts, or replacement articles) that 
leave the manufacturer’s facility as 
FAA approved with the manufacturer’s 
part number and name, trademark, 
symbol, or other FAA-approved manu-
facturer’s identification; and 

(g) Except as otherwise authorized by 

the FAA, obtain a production certifi-
cate for that product in accordance 
with subpart G of this part within 6 
months after the date of issuance of 
the type certificate. 

[Doc. No. FAA-2006-25877, Amdt. 21–92, 74 FR 
53387, Oct. 16, 2009] 

§ 21.125

[Reserved] 

§ 21.127

Tests: aircraft. 

(a) Each person manufacturing air-

craft under a type certificate must es-
tablish an approved production flight 
test procedure and flight check-off 
form, and in accordance with that 
form, flight test each aircraft pro-
duced. 

(b) Each production flight test proce-

dure must include the following: 

(1) An operational check of the trim, 

controllability, or other flight charac-
teristics to establish that the produc-
tion aircraft has the same range and 
degree of control as the prototype air-
craft. 

(2) An operational check of each part 

or system operated by the crew while 
in flight to establish that, during 
flight, instrument readings are within 
normal range. 

(3) A determination that all instru-

ments are properly marked, and that 
all placards and required flight manu-
als are installed after flight test. 

(4) A check of the operational charac-

teristics of the aircraft on the ground. 

(5) A check on any other items pecu-

liar to the aircraft being tested that 
can best be done during the ground or 
flight operation of the aircraft. 

§ 21.128

Tests: aircraft engines. 

(a) Each person manufacturing air-

craft engines under a type certificate 
must subject each engine (except rock-
et engines for which the manufacturer 

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