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14 CFR Ch. I (1–1–18 Edition) 

§ 21.37 

crew for emergency egress and the use 
of parachutes. 

(e) Except in gliders and manned free 

balloons, an applicant must dis-
continue flight tests under this section 
until he shows that corrective action 
has been taken, whenever— 

(1) The applicant’s test pilot is un-

able or unwilling to make any of the 
required flight tests; or 

(2) Items of noncompliance with re-

quirements are found that may make 
additional test data meaningless or 
that would make further testing un-
duly hazardous. 

(f) The flight tests prescribed in para-

graph (b)(2) of this section must in-

(1) For aircraft incorporating turbine 

engines of a type not previously used in 
a type certificated aircraft, at least 300 
hours of operation with a full com-
plement of engines that conform to a 
type certificate; and 

(2) For all other aircraft, at least 150 

hours of operation. 

[Doc. No. 5085, 29 FR 14564, Oct. 24, 1964, as 
amended by Amdt. 21–40, 39 FR 35459, Oct. 1, 
1974; Amdt. 21–51, 45 FR 60170, Sept. 11, 1980; 
Amdt. 21–70, 57 FR 41368, Sept. 9, 1992; Amdt. 
21–95, 76 FR 64233, Oct. 18, 2011; Doc. No. 
FAA–2015–1621, Amdt. 21–100, 81 FR 96689, 
Dec. 30, 2016] 

§ 21.37

Flight test pilot. 

Each applicant for a normal, utility, 

acrobatic, commuter, or transport cat-
egory aircraft type certificate must 
provide a person holding an appro-
priate pilot certificate to make the 
flight tests required by this part. 

[Doc. No. 5085, 29 FR 14564, Oct. 24, 1964, as 
amended by Amdt. 21–59, 52 FR 1835, Jan. 15, 

§ 21.39

Flight test instrument calibra-

tion and correction report. 

(a) Each applicant for a normal, util-

ity, acrobatic, commuter, or transport 
category aircraft type certificate must 
submit a report to the FAA showing 
the computations and tests required in 
connection with the calibration of in-
struments used for test purposes and in 
the correction of test results to stand-
ard atmospheric conditions. 

(b) Each applicant must allow the 

FAA to conduct any flight tests that 
he finds necessary to check the accu-

racy of the report submitted under 
paragraph (a) of this section. 

[Doc. No. 5085, 29 FR 14564, Oct. 24, 1964, as 
amended by Amdt. 21–59, 52 FR 1835, Jan. 15, 

§ 21.41

Type certificate. 

Each type certificate is considered to 

include the type design, the operating 
limitations, the certificate data sheet, 
the applicable regulations of this sub-
chapter with which the FAA records 
compliance, and any other conditions 
or limitations prescribed for the prod-
uct in this subchapter. 

§ 21.43

Location of manufacturing fa-


Except as provided in § 21.29, the FAA 

does not issue a type certificate if the 
manufacturing facilities for the prod-
uct are located outside of the United 
States, unless the FAA finds that the 
location of the manufacturer’s facili-
ties places no undue burden on the 
FAA in administering applicable air-
worthiness requirements. 

§ 21.45


The holder or licensee of a type cer-

tificate for a product may— 

(a) In the case of aircraft, upon com-

pliance with §§ 21.173 through 21.189, ob-
tain airworthiness certificates; 

(b) In the case of aircraft engines or 

propellers, obtain approval for installa-
tion on certificated aircraft; 

(c) In the case of any product, upon 

compliance with subpart G of this part, 
obtain a production certificate for the 
type certificated product; 

(d) Obtain approval of replacement 

parts for that product. 

[Doc. No. 5085, 29 FR 14564, Oct. 24, 1964, as 
amended by Amdt. 21–92, 74 FR 53386, Oct. 16, 

§ 21.47


(a) A holder of a type certificate may 

transfer it or make it available to 
other persons by licensing agreements. 

(b) For a type certificate transfer in 

which the State of Design will remain 
the same, each transferor must, before 
such a transfer, notify in writing the 
appropriate aircraft certification of-
fice. This notification must include the 
applicable type certificate number, the 

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