152
14 CFR Ch. I (1–1–24 Edition)
§ 21.111
regulations in effect on the date of the
application for the change.
(e) An application for a change to a
type certificate for a transport cat-
egory aircraft is effective for 5 years,
and an application for a change to any
other type certificate is effective for 3
years. If the change has not been ap-
proved, or if it is clear that it will not
be approved under the time limit es-
tablished under this paragraph, the ap-
plicant may do either of the following:
(1) File a new application for a
change to the type certificate and com-
ply with all the provisions of paragraph
(a) of this section applicable to an
original application for a change.
(2) File for an extension of the origi-
nal application and comply with the
provisions of paragraph (a) of this sec-
tion. The applicant must then select a
new application date. The new applica-
tion date may not precede the date the
change is approved by more than the
time period established under this
paragraph (e).
(f) For aircraft certificated under
§§ 21.17(b), 21.24, 21.25, and 21.27 the air-
worthiness requirements applicable to
the category of the product in effect on
the date of the application for the
change include each airworthiness re-
quirement that the FAA finds to be ap-
propriate for the type certification of
the aircraft in accordance with those
sections.
(g) Notwithstanding paragraph (b) of
this section, for transport category air-
planes, the applicant must show com-
pliance with each applicable provision
of part 26 of this chapter, unless the ap-
plicant has elected or was required to
comply with a corresponding amend-
ment to part 25 of this chapter that
was issued on or after the date of the
applicable part 26 provision.
[Doc. No. 28903, 65 FR 36266, June 7, 2000, as
amended by Amdt. 21–90, 72 FR 63404, Nov. 8,
2007; Amdt. 21–96, 77 FR 71695, Dec. 4, 2012;
Doc. No. FAA–2015–1621, Amdt. 21–100, 81 FR
96689, Dec. 30, 2016]
Subpart E—Supplemental Type
Certificates
S
OURCE
: Docket No. 5085, 29 FR 14568, Oct.
24, 1964, unless otherwise noted.
§ 21.111
Applicability.
This subpart prescribes procedural
requirements for the issue of supple-
mental type certificates.
§ 21.113
Requirement for supplemental
type certificate.
(a) If a person holds the TC for a
product and alters that product by in-
troducing a major change in type de-
sign that does not require an applica-
tion for a new TC under § 21.19, that
person must apply to the FAA either
for an STC, or to amend the original
type certificate under subpart D of this
part.
(b) If a person does not hold the TC
for a product and alters that product
by introducing a major change in type
design that does not require an applica-
tion for a new TC under § 21.19, that
person must apply to the FAA for an
STC.
(c) The application for an STC must
be made in the form and manner pre-
scribed by the FAA.
[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]
§ 21.115
Applicable requirements.
(a) Each applicant for a supplemental
type certificate must show that the al-
tered product meets applicable require-
ments specified in § 21.101 and, in the
case of an acoustical change described
in § 21.93(b), show compliance with the
applicable noise requirements of part
36 of this chapter and, in the case of an
emissions change described in § 21.93(c),
show compliance with the applicable
fuel venting and exhaust emissions re-
quirements of part 34 of this chapter.
(b) Each applicant for a supplemental
type certificate must meet §§ 21.33 and
21.53 with respect to each change in the
type design.
[Amdt. 21–17, 32 FR 14927, Oct. 28, 1967, as
amended by Amdt. 21–42, 40 FR 1033, Jan. 6,
1975; Amdt. 21–52A, 45 FR 79009, Nov. 28, 1980;
Amdt. 21–61, 53 FR 3540, Feb. 5, 1988; Amdt.
21–68, 55 FR 32860, Aug. 10, 1990; Amdt. 21–71,
57 FR 42854, Sept. 16, 1992; Amdt. 21–77, 65 FR
36266, June 7, 2000]
§ 21.117
Issue of supplemental type
certificates.
(a) An applicant is entitled to a sup-
plemental type certificate if the FAA
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Federal Aviation Administration, DOT
§ 21.123
finds that the applicant meets the re-
quirements of §§ 21.113 and 21.115.
(b) A supplemental type certificate
consists of—
(1) The approval by the FAA of a
change in the type design of the prod-
uct; and
(2) The type certificate previously
issued for the product.
[Doc. No. 5085, 29 FR 14568, Oct. 24, 1964, as
amended by Amdt. 21–92, 74 FR 53387, Oct. 16,
2009]
§ 21.119
Privileges.
The holder of a supplemental type
certificate may—
(a) In the case of aircraft, obtain air-
worthiness certificates;
(b) In the case of other products, ob-
tain approval for installation on cer-
tificated aircraft; and
(c) Obtain a production certificate in
accordance with the requirements of
subpart G of this part for the change in
the type design approved by the supple-
mental type certificate.
[Doc. No. 5085, 29 FR 14568, Oct. 24, 1964, as
amended by Amdt. 21–92, 74 FR 53387, Oct. 16,
2009]
§ 21.120
Responsibility of supple-
mental type certificate holders to
provide written permission for al-
terations.
A supplemental type certificate hold-
er who allows a person to use the sup-
plemental type certificate to alter an
aircraft, aircraft engine, or propeller
must provide that person with written
permission acceptable to the FAA.
[Doc. No. FAA–2003–14825, 71 FR 52258, Sept.
1, 2006]
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
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