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146 

14 CFR Ch. I (1–1–24 Edition) 

§ 21.51 

(3) Any other data necessary for the 

FAA to approve the List. 

[Amdt. 21–23, 33 FR 14105, Sept. 18, 1968, as 
amended by Amdt. 21–51, 45 FR 60170, Sept. 
11, 1980; Amdt. 21–60, 52 FR 8042, Mar. 13, 1987; 
Amdt. 21–90, 72 FR 63404, Nov. 8, 2007; Amdt. 
21–92, 74 FR 53386, Oct. 16, 2009; Doc. No. 
FAA–2015–1621, Amdt. 21–100, 81 FR 96689, 
Dec. 30, 2016] 

§ 21.51

Duration. 

A type certificate is effective until 

surrendered, suspended, revoked, or a 
termination date is otherwise estab-
lished by the FAA. 

§ 21.53

Statement of conformity. 

(a) Each applicant must provide, in a 

form and manner acceptable to the 
FAA, a statement that each aircraft 
engine or propeller presented for type 
certification conforms to its type de-
sign. 

(b) Each applicant must submit a 

statement of conformity to the FAA 
for each aircraft or part thereof pre-
sented to the FAA for tests. This state-
ment of conformity must include a 
statement that the applicant has com-
plied with § 21.33(a) (unless otherwise 
authorized under that paragraph). 

[Amdt. 21–17, 32 FR 14926, Oct. 28, 1967, as 
amended by Amdt. 21–92, 74 FR 53386, Oct. 16, 
2009] 

§ 21.55

Responsibility of type certifi-

cate holders to provide written li-
censing agreements. 

A type certificate holder who allows 

a person to use the type certificate to 
manufacture a new aircraft, aircraft 
engine, or propeller must provide that 
person with a written licensing agree-
ment acceptable to the FAA. 

[Doc. No. FAA–2003–14825, 71 FR 52258, Sept. 
1, 2006] 

Subpart C—Provisional Type 

Certificates 

S

OURCE

: Docket No. 5085, 29 FR 14566, Oct. 

24, 1964, unless otherwise noted. 

§ 21.71

Applicability. 

This subpart prescribes— 
(a) Procedural requirements for the 

issue of provisional type certificates, 
amendments to provisional type cer-

tificates, and provisional amendments 
to type certificates; and 

(b) Rules governing the holders of 

those certificates. 

§ 21.73

Eligibility. 

(a) Any manufacturer of aircraft 

manufactured within the United States 
who is a United States citizen may 
apply for Class I or Class II provisional 
type certificates, for amendments to 
provisional type certificates held by 
him, and for provisional amendments 
to type certificates held by him. 

(b) Any manufacturer of aircraft in a 

State of Manufacture subject to the 
provisions of an agreement with the 
United States for the acceptance of 
those aircraft for export and import 
may apply for a Class II provisional 
type certificate, for amendments to 
provisional type certificates held by 
him, and for provisional amendments 
to type certificates held by him. 

(c) An aircraft engine manufacturer 

who is a United States citizen and who 
has altered a type certificated aircraft 
by installing different type certificated 
aircraft engines manufactured by him 
within the United States may apply for 
a Class I provisional type certificate 
for the aircraft, and for amendments to 
Class I provisional type certificates 
held by him, if the basic aircraft, be-
fore alteration, was type certificated in 
the normal, utility, acrobatic, com-
muter, or transport category. 

[Doc. No. 5085, 29 FR 14566, Oct. 24, 1964, as 
amended by Amdt. 21–12, 31 FR 13380, Oct. 15, 
1966; Amdt. 21–59, 52 FR 1836, Jan. 15, 1987; 
Amdt. 21–92, 74 FR 53387, Oct. 16, 2009] 

§ 21.75

Application. 

Each applicant for a provisional type 

certificate, for an amendment thereto, 
or for a provisional amendment to a 
type certificate must apply to the FAA 
and provide the information required 
by this subpart. 

[Doc. No. FAA–2006–25877, Amdt. 21–92, 74 FR 
53387, Oct. 16, 2009; Doc. No. FAA–2018–0119, 
Amdt. 21–101, 83 FR 9169, Mar. 5, 2018] 

§ 21.77

Duration. 

(a) Unless sooner surrendered, super-

seded, revoked, or otherwise termi-
nated, provisional type certificates and 
amendments thereto are effective for 
the periods specified in this section. 

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147 

Federal Aviation Administration, DOT 

§ 21.83 

(b) A Class I provisional type certifi-

cate is effective for 24 months after the 
date of issue. 

(c) A Class II provisional type certifi-

cate is effective for twelve months 
after the date of issue. 

(d) An amendment to a Class I or 

Class II provisional type certificate is 
effective for the duration of the amend-
ed certificate. 

(e) A provisional amendment to a 

type certificate is effective for six 
months after its approval or until the 
amendment of the type certificate is 
approved, whichever is first. 

[Doc. No. 5085, 29 FR 14566, Oct. 24, 1964, as 
amended by Amdt. 21–7, 30 FR 14311, Nov. 16, 
1965] 

§ 21.79

Transferability. 

Provisional type certificates are not 

transferable. 

§ 21.81

Requirements for issue and 

amendment of Class I provisional 
type certificates. 

(a) An applicant is entitled to the 

issue or amendment of a Class I provi-
sional type certificate if he shows com-
pliance with this section and the FAA 
finds that there is no feature, char-
acteristic, or condition that would 
make the aircraft unsafe when oper-
ated in accordance with the limitations 
established in paragraph (e) of this sec-
tion and in § 91.317 of this chapter. 

(b) The applicant must apply for the 

issue of a type or supplemental type 
certificate for the aircraft. 

(c) The applicant must certify that— 
(1) The aircraft has been designed and 

constructed in accordance with the air-
worthiness requirements applicable to 
the issue of the type or supplemental 
type certificate applied for; 

(2) The aircraft substantially meets 

the applicable flight characteristic re-
quirements for the type or supple-
mental type certificate applied for; and 

(3) The aircraft can be operated safe-

ly under the appropriate operating lim-
itations specified in paragraph (a) of 
this section. 

(d) The applicant must submit a re-

port showing that the aircraft had been 
flown in all maneuvers necessary to 
show compliance with the flight re-
quirements for the issue of the type or 
supplemental type certificate applied 

for, and to establish that the aircraft 
can be operated safely in accordance 
with the limitations contained in this 
subchapter. 

(e) The applicant must establish all 

limitations required for the issue of the 
type or supplemental type certificate 
applied for, including limitations on 
weights, speeds, flight maneuvers, 
loading, and operation of controls and 
equipment unless, for each limitation 
not so established, appropriate oper-
ating restrictions are established for 
the aircraft. 

(f) The applicant must establish an 

inspection and maintenance program 
for the continued airworthiness of the 
aircraft. 

(g) The applicant must show that a 

prototype aircraft has been flown for at 
least 50 hours under an experimental 
certificate issued under §§ 21.191 
through 21.195, or under the auspices of 
an Armed Force of the United States. 
However, in the case of an amendment 
to a provisional type certificate, the 
FAA may reduce the number of re-
quired flight hours. 

[Doc. No. 5085, 29 FR 14566, Oct. 24, 1964, as 
amended by Amdt. 21–66, 54 FR 34329, Aug. 18, 
1989] 

§ 21.83

Requirements for issue and 

amendment of Class II provisional 
type certificates. 

(a) An applicant who manufactures 

aircraft within the United States is en-
titled to the issue or amendment of a 
Class II provisional type certificate if 
he shows compliance with this section 
and the FAA finds that there is no fea-
ture, characteristic, or condition that 
would make the aircraft unsafe when 
operated in accordance with the limi-
tations in paragraph (h) of this section, 
and §§ 91.317 and 121.207 of this chapter. 

(b) An applicant who manufactures 

aircraft in a country with which the 
United States has an agreement for the 
acceptance of those aircraft for export 
and import is entitled to the issue or 
amendment of a Class II provisional 
type certificate if the country in which 
the aircraft was manufactured certifies 
that the applicant has shown compli-
ance with this section, that the air-
craft meets the requirements of para-
graph (f) of this section and that there 

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