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14 CFR Ch. I (1–1–24 Edition)
§ 21.502
§ 21.502
Acceptance of articles.
An article (including an article pro-
duced under a letter of TSO design ap-
proval) manufactured in a foreign
country or jurisdiction meets the re-
quirements for acceptance under this
subchapter if—
(a) That country or jurisdiction is
subject to the provisions of an agree-
ment with the United States for the ac-
ceptance of that article;
(b) That article is marked in accord-
ance with part 45 of this chapter; and
(c) An export airworthiness approval
has been issued in accordance with the
provisions of that agreement for that
article for import into the United
States.
Subpart O—Technical Standard
Order Approvals
S
OURCE
: Docket No. FAA–2006–25877, Amdt.
21–92, 74 FR 53392, Oct. 16, 2009, unless other-
wise noted.
§ 21.601
Applicability and definitions.
(a) This subpart prescribes—
(1) Procedural requirements for
issuing TSO authorizations;
(2) Rules governing the holders of
TSO authorizations; and
(3) Procedural requirements for
issuing letters of TSO design approval.
(b) For the purposes of this subpart—
(1) A TSO issued by the FAA is a
minimum performance standard for
specified articles used on civil aircraft;
(2) A TSO authorization is an FAA
design and production approval issued
to the manufacturer of an article that
has been found to meet a specific TSO;
(3) A letter of TSO design approval is
an FAA design approval for an article
that has been found to meet a specific
TSO in accordance with the procedures
of § 21.621;
(4) An article manufactured under a
TSO authorization, an FAA letter of
acceptance as described in § 21.613(b), or
an article manufactured under a letter
of TSO design approval described in
§ 21.621 is an approved article for the
purpose of meeting the regulations of
this chapter that require the article to
be approved; and
(5) An article manufacturer is the
person who controls the design and
quality of the article produced (or to be
produced, in the case of an applica-
tion), including any related parts, proc-
esses, or services procured from an out-
side source.
§ 21.603
Application.
(a) An applicant for a TSO authoriza-
tion must apply in the form and man-
ner prescribed by the FAA. The appli-
cant must include the following docu-
ments in the application:
(1) A statement of conformance certi-
fying that the applicant has met the
requirements of this subpart and that
the article concerned meets the appli-
cable TSO that is effective on the date
of application for that article.
(2) One copy of the technical data re-
quired in the applicable TSO.
(b) If the applicant anticipates a se-
ries of minor changes in accordance
with § 21.619, the applicant may set
forth in its application the basic model
number of the article and the part
number of the components with open
brackets after it to denote that suffix
change letters or numbers (or combina-
tions of them) will be added from time
to time.
(c) If the application is deficient, the
applicant must, when requested by the
FAA, provide any additional informa-
tion necessary to show compliance
with this part. If the applicant fails to
provide the additional information
within 30 days after the FAA’s request,
the FAA denies the application and no-
tifies the applicant.
[Docket No. FAA–2006–25877, Amdt. 21–92, 74
FR 53392, Oct. 16, 2009, as amended by Doc.
No. FAA–2018–0119, Amdt. 21–101, 83 FR 9169,
Mar. 5, 2018]
§ 21.605
Organization.
(a) Each applicant for or holder of a
TSO authorization must provide the
FAA with a document—
(1) Describing how its organization
will ensure compliance with the provi-
sions of this subpart;
(2) Describing assigned responsibil-
ities, delegated authorities, and the
functional relationship of those respon-
sible for quality to management and
other organizational components; and
(3) Identifying an accountable man-
ager.
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