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Federal Aviation Administration, DOT 

§ 21.77 

(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


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-

(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, 

§ 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 




: Docket No. 5085, 29 FR 14566, Oct. 

24, 1964, unless otherwise noted. 

§ 21.71


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


(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


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


(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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